WEEKLY REPORTS
Air quality blog
Auto-generated weekly snapshots of global air quality. Top 10 most polluted, cleanest, and biggest week-over-week changes.
October 26, 2026
Global Air Quality Update - Week of October 26, 2026
Lahore hits AQI 198 this week. Christchurch stays cleanest at 12. Global average 78.
October 25, 2026
Delhi Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Delhi, India.
October 25, 2026
Bangkok Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Bangkok, Thailand.
October 24, 2026
Mumbai Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Mumbai, India.
October 23, 2026
Beijing Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Beijing, China.
October 22, 2026
Shanghai Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Shanghai, China.
October 21, 2026
Seoul Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Seoul, South Korea.
October 21, 2026
Tokyo Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Tokyo, Japan.
October 20, 2026
Jakarta Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Jakarta, Indonesia.
October 20, 2026
Wildfire Smoke Survival Guide: What Actually Protects You
Wildfire smoke can push AQI past 500. Here's what works (HEPA, N95, indoor refuge) and what's a waste of money. Plus the 24-hour exposure plan.
October 19, 2026
Dhaka Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Dhaka, Bangladesh.
October 19, 2026
Global Air Quality Update - Week of October 19, 2026
Lahore hits AQI 198 this week. Christchurch stays cleanest at 12. Global average 78.
October 18, 2026
Karachi Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Karachi, Pakistan.
October 17, 2026
Lahore Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Lahore, Pakistan.
October 16, 2026
Hanoi Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Hanoi, Vietnam.
October 16, 2026
Ho Chi Minh City Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Ho Chi Minh City, Vietnam.
October 16, 2026
How to Protect Kids From Air Pollution (Pediatrician-Sourced Guide)
Children inhale more air per kg of body weight than adults and have developing lungs. Here are 9 evidence-based steps to lower their air pollution exposure.
October 16, 2026
Can You Reverse Air Pollution Damage? An Evidence-Based Recovery Guide
Long-term PM2.5 exposure causes oxidative stress, inflammation, and tissue damage. Here is what the research says about recovery: HEPA filtration, antioxidants, exercise, sauna, and hyperbaric oxygen therapy.
October 15, 2026
Singapore Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Singapore, Singapore.
October 14, 2026
Kuala Lumpur Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Kuala Lumpur, Malaysia.
October 13, 2026
Manila Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Manila, Philippines.
October 12, 2026
Colombo Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Colombo, Sri Lanka.
October 12, 2026
How to Choose an Air Purifier (2026 Buyer's Guide)
The HEPA-or-not question, CADR ratings explained, room sizing math, and the 5 features that actually matter when buying an air purifier in 2026.
October 12, 2026
Global Air Quality Update - Week of October 12, 2026
Riyadh hits AQI 1223 this week. La Paz stays cleanest at 11. Global average 75.
October 11, 2026
Kathmandu Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Kathmandu, Nepal.
October 11, 2026
Kabul Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Kabul, Afghanistan.
October 10, 2026
Tehran Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Tehran, Iran.
October 9, 2026
Istanbul Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Istanbul, Turkey.
October 8, 2026
Moscow Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Moscow, Russia.
October 8, 2026
Why Is Delhi's Air Quality So Bad? The 5 Real Causes
Delhi consistently ranks as one of the most polluted megacities on Earth. The causes are specific and well-documented: stubble burning, vehicles, industry, geography, and policy.
October 7, 2026
London Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in London, United Kingdom.
October 6, 2026
Paris Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Paris, France.
October 6, 2026
Berlin Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Berlin, Germany.
October 5, 2026
Madrid Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Madrid, Spain.
October 5, 2026
Global Air Quality Update - Week of October 5, 2026
Riyadh hits AQI 954 this week. Yekaterinburg stays cleanest at 19. Global average 71.
October 4, 2026
Rome Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Rome, Italy.
October 4, 2026
What Is PM2.5? Health Effects, Sources, and How to Reduce Exposure
PM2.5 is the most dangerous air pollutant for human health. Here's what it is, where it comes from, and 7 evidence-based ways to reduce your exposure today.
October 3, 2026
Warsaw Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Warsaw, Poland.
October 2, 2026
Krakow Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Krakow, Poland.
October 1, 2026
Budapest Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Budapest, Hungary.
October 1, 2026
Bucharest Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Bucharest, Romania.
September 30, 2026
Athens Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Athens, Greece.
September 29, 2026
Cairo Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Cairo, Egypt.
September 28, 2026
Lagos Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Lagos, Nigeria.
September 28, 2026
Global Air Quality Update - Week of September 28, 2026
Riyadh hits AQI 946 this week. Cali stays cleanest at 17. Global average 68.
September 27, 2026
Nairobi Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Nairobi, Kenya.
September 26, 2026
Johannesburg Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Johannesburg, South Africa.
September 26, 2026
Cape Town Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Cape Town, South Africa.
September 25, 2026
Addis Ababa Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Addis Ababa, Ethiopia.
September 24, 2026
Accra Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Accra, Ghana.
September 23, 2026
Casablanca Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Casablanca, Morocco.
September 22, 2026
New York Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in New York, United States.
September 21, 2026
Los Angeles Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Los Angeles, United States.
September 21, 2026
Chicago Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Chicago, United States.
September 21, 2026
Global Air Quality Update - Week of September 21, 2026
Riyadh hits AQI 1366 this week. Quito stays cleanest at 13. Global average 72.
September 20, 2026
Houston Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Houston, United States.
September 19, 2026
Mexico City Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Mexico City, Mexico.
September 18, 2026
Sao Paulo Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Sao Paulo, Brazil.
September 17, 2026
Rio de Janeiro Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Rio de Janeiro, Brazil.
September 16, 2026
Lima Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Lima, Peru.
September 16, 2026
Buenos Aires Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Buenos Aires, Argentina.
September 15, 2026
Bogota Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Bogota, Colombia.
September 14, 2026
Santiago Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Santiago, Chile.
September 14, 2026
Global Air Quality Update - Week of September 14, 2026
Riyadh hits AQI 1345 this week. La Paz stays cleanest at 10. Global average 67.
September 13, 2026
Sydney Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Sydney, Australia.
September 12, 2026
Melbourne Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Melbourne, Australia.
September 12, 2026
Auckland Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Auckland, New Zealand.
September 11, 2026
Chiang Mai Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Chiang Mai, Thailand.
September 10, 2026
Chiang Rai Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Chiang Rai, Thailand.
September 9, 2026
Pattaya Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Pattaya, Thailand.
September 8, 2026
Phuket Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Phuket, Thailand.
September 7, 2026
Osaka Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Osaka, Japan.
September 7, 2026
Kyoto Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Kyoto, Japan.
September 7, 2026
Global Air Quality Update - Week of September 7, 2026
Riyadh hits AQI 971 this week. La Paz stays cleanest at 17. Global average 66.
September 6, 2026
Guangzhou Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Guangzhou, China.
September 5, 2026
Shenzhen Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Shenzhen, China.
September 4, 2026
Chengdu Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Chengdu, China.
September 3, 2026
Wuhan Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Wuhan, China.
September 2, 2026
Tianjin Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Tianjin, China.
September 2, 2026
Xian Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Xian, China.
September 1, 2026
Hangzhou Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Hangzhou, China.
August 31, 2026
Nanjing Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Nanjing, China.
August 31, 2026
Global Air Quality Update - Week of August 31, 2026
Riyadh hits AQI 975 this week. Quito stays cleanest at 10. Global average 67.
August 30, 2026
Harbin Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Harbin, China.
August 29, 2026
Kunming Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Kunming, China.
August 28, 2026
Qingdao Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Qingdao, China.
August 28, 2026
Phnom Penh Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Phnom Penh, Cambodia.
August 27, 2026
Vientiane Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Vientiane, Laos.
August 26, 2026
Yangon Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Yangon, Myanmar.
August 25, 2026
Mandalay Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Mandalay, Myanmar.
August 24, 2026
Naypyidaw Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Naypyidaw, Myanmar.
August 24, 2026
Global Air Quality Update - Week of August 24, 2026
Riyadh hits AQI 1118 this week. Quito stays cleanest at 15. Global average 70.
August 23, 2026
Bandung Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Bandung, Indonesia.
August 23, 2026
Surabaya Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Surabaya, Indonesia.
August 22, 2026
Medan Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Medan, Indonesia.
August 21, 2026
Bali Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Bali, Indonesia.
August 20, 2026
Cebu City Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Cebu City, Philippines.
August 19, 2026
Davao Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Davao, Philippines.
August 18, 2026
Penang Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Penang, Malaysia.
August 18, 2026
Johor Bahru Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Johor Bahru, Malaysia.
August 17, 2026
Kolkata Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Kolkata, India.
August 17, 2026
Global Air Quality Update - Week of August 17, 2026
Riyadh hits AQI 428 this week. La Paz stays cleanest at 10. Global average 65.
August 16, 2026
Chennai Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Chennai, India.
August 15, 2026
Bengaluru Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Bengaluru, India.
August 14, 2026
Hyderabad Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Hyderabad, India.
August 13, 2026
Pune Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Pune, India.
August 13, 2026
Ahmedabad Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Ahmedabad, India.
August 12, 2026
Jaipur Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Jaipur, India.
August 11, 2026
Lucknow Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Lucknow, India.
August 10, 2026
Kanpur Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Kanpur, India.
August 10, 2026
Global Air Quality Update - Week of August 10, 2026
Riyadh hits AQI 1210 this week. La Paz stays cleanest at 12. Global average 67.
August 9, 2026
Surat Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Surat, India.
August 8, 2026
Islamabad Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Islamabad, Pakistan.
August 8, 2026
Faisalabad Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Faisalabad, Pakistan.
August 7, 2026
Chittagong Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Chittagong, Bangladesh.
August 6, 2026
Pokhara Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Pokhara, Nepal.
August 5, 2026
Dubai Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Dubai, UAE.
August 4, 2026
Abu Dhabi Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Abu Dhabi, UAE.
August 3, 2026
Riyadh Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Riyadh, Saudi Arabia.
August 3, 2026
Jeddah Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Jeddah, Saudi Arabia.
August 3, 2026
Global Air Quality Update - Week of August 3, 2026
Riyadh hits AQI 1275 this week. Oslo stays cleanest at 18. Global average 74.
August 2, 2026
Kuwait City Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Kuwait City, Kuwait.
August 1, 2026
Doha Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Doha, Qatar.
July 31, 2026
Muscat Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Muscat, Oman.
July 30, 2026
Amman Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Amman, Jordan.
July 30, 2026
Beirut Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Beirut, Lebanon.
July 29, 2026
Baghdad Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Baghdad, Iraq.
July 28, 2026
Tel Aviv Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Tel Aviv, Israel.
July 27, 2026
Ankara Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Ankara, Turkey.
July 27, 2026
Global Air Quality Update - Week of July 27, 2026
Riyadh hits AQI 1651 this week. Quito stays cleanest at 18. Global average 72.
July 26, 2026
Izmir Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Izmir, Turkey.
July 25, 2026
Khartoum Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Khartoum, Sudan.
July 25, 2026
Dakar Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Dakar, Senegal.
July 24, 2026
Abidjan Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Abidjan, Ivory Coast.
July 23, 2026
Kinshasa Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Kinshasa, DR Congo.
July 22, 2026
Luanda Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Luanda, Angola.
July 21, 2026
Dar es Salaam Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Dar es Salaam, Tanzania.
July 20, 2026
Kampala Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Kampala, Uganda.
July 20, 2026
Kigali Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Kigali, Rwanda.
July 20, 2026
Global Air Quality Update - Week of July 20, 2026
Riyadh hits AQI 1027 this week. Cali stays cleanest at 15. Global average 74.
July 19, 2026
Lusaka Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Lusaka, Zambia.
July 18, 2026
Harare Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Harare, Zimbabwe.
July 17, 2026
Antananarivo Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Antananarivo, Madagascar.
July 16, 2026
Algiers Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Algiers, Algeria.
July 15, 2026
Tunis Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Tunis, Tunisia.
July 15, 2026
Tripoli Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Tripoli, Libya.
July 14, 2026
Amsterdam Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Amsterdam, Netherlands.
July 13, 2026
Brussels Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Brussels, Belgium.
July 13, 2026
Global Air Quality Update - Week of July 13, 2026
Riyadh hits AQI 841 this week. Quito stays cleanest at 11. Global average 67.
July 12, 2026
Vienna Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Vienna, Austria.
July 11, 2026
Stockholm Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Stockholm, Sweden.
July 10, 2026
Copenhagen Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Copenhagen, Denmark.
July 10, 2026
Oslo Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Oslo, Norway.
July 9, 2026
Helsinki Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Helsinki, Finland.
July 8, 2026
Lisbon Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Lisbon, Portugal.
July 7, 2026
Barcelona Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Barcelona, Spain.
July 6, 2026
Milan Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Milan, Italy.
July 6, 2026
Global Air Quality Update - Week of July 6, 2026
Riyadh hits AQI 1016 this week. La Paz stays cleanest at 11. Global average 60.
July 5, 2026
Naples Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Naples, Italy.
July 5, 2026
Munich Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Munich, Germany.
July 4, 2026
Hamburg Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Hamburg, Germany.
July 3, 2026
Prague Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Prague, Czech Republic.
July 2, 2026
Bratislava Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Bratislava, Slovakia.
July 1, 2026
Ljubljana Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Ljubljana, Slovenia.
June 30, 2026
Zagreb Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Zagreb, Croatia.
June 30, 2026
Sofia Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Sofia, Bulgaria.
June 29, 2026
Riga Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Riga, Latvia.
June 29, 2026
Global Air Quality Update - Week of June 29, 2026
Riyadh hits AQI 583 this week. Quito stays cleanest at 7. Global average 62.
June 28, 2026
Vilnius Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Vilnius, Lithuania.
June 27, 2026
Tallinn Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Tallinn, Estonia.
June 26, 2026
Minsk Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Minsk, Belarus.
June 25, 2026
Kiev Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Kiev, Ukraine.
June 25, 2026
Kharkiv Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Kharkiv, Ukraine.
June 24, 2026
Belgrade Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Belgrade, Serbia.
June 23, 2026
Sarajevo Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Sarajevo, Bosnia.
June 22, 2026
Tirana Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Tirana, Albania.
June 22, 2026
Global Air Quality Update - Week of June 22, 2026
Riyadh hits AQI 480 this week. Quito stays cleanest at 16. Global average 61.
June 21, 2026
Skopje Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Skopje, North Macedonia.
June 21, 2026
Baku Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Baku, Azerbaijan.
June 20, 2026
Tbilisi Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Tbilisi, Georgia.
June 19, 2026
Yerevan Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Yerevan, Armenia.
June 18, 2026
Saint Petersburg Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Saint Petersburg, Russia.
June 17, 2026
Novosibirsk Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Novosibirsk, Russia.
June 16, 2026
Yekaterinburg Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Yekaterinburg, Russia.
June 16, 2026
Almaty Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Almaty, Kazakhstan.
June 15, 2026
Nur-Sultan Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Nur-Sultan, Kazakhstan.
June 15, 2026
Global Air Quality Update - Week of June 15, 2026
Riyadh hits AQI 264 this week. Quito stays cleanest at 13. Global average 60.
June 14, 2026
Tashkent Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Tashkent, Uzbekistan.
June 13, 2026
Phoenix Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Phoenix, United States.
June 12, 2026
Philadelphia Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Philadelphia, United States.
June 11, 2026
San Antonio Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in San Antonio, United States.
June 11, 2026
San Diego Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in San Diego, United States.
June 10, 2026
Dallas Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Dallas, United States.
June 9, 2026
San Francisco Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in San Francisco, United States.
June 8, 2026
Seattle Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Seattle, United States.
June 8, 2026
Global Air Quality Update - Week of June 8, 2026
Riyadh hits AQI 861 this week. Cali stays cleanest at 13. Global average 65.
June 7, 2026
Denver Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Denver, United States.
June 6, 2026
Boston Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Boston, United States.
June 6, 2026
Miami Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Miami, United States.
June 5, 2026
Atlanta Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Atlanta, United States.
June 4, 2026
Toronto Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Toronto, Canada.
June 3, 2026
Vancouver Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Vancouver, Canada.
June 2, 2026
Montreal Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Montreal, Canada.
June 1, 2026
Calgary Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Calgary, Canada.
June 1, 2026
Guadalajara Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Guadalajara, Mexico.
June 1, 2026
Global Air Quality Update - Week of June 1, 2026
Riyadh hits AQI 1399 this week. Quito stays cleanest at 10. Global average 74.
May 31, 2026
Monterrey Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Monterrey, Mexico.
May 30, 2026
Medellin Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Medellin, Colombia.
May 29, 2026
Cali Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Cali, Colombia.
May 28, 2026
Caracas Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Caracas, Venezuela.
May 27, 2026
Quito Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Quito, Ecuador.
May 27, 2026
La Paz Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in La Paz, Bolivia.
May 26, 2026
Asuncion Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Asuncion, Paraguay.
May 25, 2026
Montevideo Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Montevideo, Uruguay.
May 25, 2026
Global Air Quality Update - Week of May 25, 2026
Jeddah hits AQI 1425 this week. Quito stays cleanest at 12. Global average 75.
May 24, 2026
Belo Horizonte Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Belo Horizonte, Brazil.
May 23, 2026
Brasilia Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Brasilia, Brazil.
May 22, 2026
Salvador Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Salvador, Brazil.
May 22, 2026
Fortaleza Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Fortaleza, Brazil.
May 21, 2026
Manaus Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Manaus, Brazil.
May 20, 2026
Havana Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Havana, Cuba.
May 19, 2026
Santo Domingo Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Santo Domingo, Dominican Republic.
May 18, 2026
San Jose Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in San Jose, Costa Rica.
May 18, 2026
Global Air Quality Update - Week of May 18, 2026
Riyadh hits AQI 1642 this week. La Paz stays cleanest at 11. Global average 80.
May 17, 2026
Guatemala City Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Guatemala City, Guatemala.
May 17, 2026
Brisbane Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Brisbane, Australia.
May 16, 2026
Perth Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Perth, Australia.
May 15, 2026
Adelaide Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Adelaide, Australia.
May 14, 2026
Wellington Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Wellington, New Zealand.
May 13, 2026
Christchurch Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Christchurch, New Zealand.
May 12, 2026
Port Moresby Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Port Moresby, Papua New Guinea.
May 12, 2026
Nagoya Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Nagoya, Japan.
May 11, 2026
Fukuoka Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Fukuoka, Japan.
May 11, 2026
Global Air Quality Update - Week of May 11, 2026
Riyadh hits AQI 1001 this week. La Paz stays cleanest at 12. Global average 72.
May 10, 2026
Sapporo Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Sapporo, Japan.
May 9, 2026
Hiroshima Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Hiroshima, Japan.
May 8, 2026
Busan Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Busan, South Korea.
May 8, 2026
Incheon Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Incheon, South Korea.
May 7, 2026
Daegu Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Daegu, South Korea.
May 6, 2026
Pyongyang Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Pyongyang, North Korea.
May 5, 2026
Hat Yai Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Hat Yai, Thailand.
May 4, 2026
Khon Kaen Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Khon Kaen, Thailand.
May 4, 2026
Global Air Quality Update - Week of May 4, 2026
Jeddah hits AQI 1022 this week. Quito stays cleanest at 11. Global average 67.
May 3, 2026
Nakhon Ratchasima Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Nakhon Ratchasima, Thailand.
May 3, 2026
Udon Thani Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Udon Thani, Thailand.
May 2, 2026
Rayong Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Rayong, Thailand.
May 1, 2026
Hua Hin Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Hua Hin, Thailand.
April 30, 2026
Koh Samui Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Koh Samui, Thailand.
April 29, 2026
Krabi Air Quality Guide
Sources, seasonal patterns, and health implications of air quality in Krabi, Thailand.
April 28, 2026
Global Air Quality Update - Week of April 28, 2026
Inaugural weekly air quality snapshot. Jeddah ranks #1 most polluted at AQI 1886. Global average 81.