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August 24, 2026

Global Air Quality Update - Week of August 24, 2026

Live data snapshot for August 24, 2026. 217 cities tracked. Global average AQI: 70.

This week's most polluted city is Riyadh, Saudi Arabia at AQI 1118. The cleanest air right now is in Quito, Ecuador at AQI 15.

Biggest changes this week

Worsening

Improving

Global average shifted from 65 to 70 (+5).

Top 10 most polluted cities right now

  1. Riyadh, Saudi Arabia - AQI 1118 (PM2.5 247.7 μg/m³)
  2. Kuwait City, Kuwait - AQI 355 (PM2.5 125.3 μg/m³)
  3. Chengdu, China - AQI 206 (PM2.5 33.8 μg/m³)
  4. Bandung, Indonesia - AQI 197 (PM2.5 38.1 μg/m³)
  5. Dubai, UAE - AQI 176 (PM2.5 90.6 μg/m³)
  6. Jakarta, Indonesia - AQI 174 (PM2.5 55.8 μg/m³)
  7. Beijing, China - AQI 163 (PM2.5 47.8 μg/m³)
  8. Doha, Qatar - AQI 162 (PM2.5 82.9 μg/m³)
  9. Delhi, India - AQI 161 (PM2.5 72.6 μg/m³)
  10. Osaka, Japan - AQI 159 (PM2.5 16.3 μg/m³)

Top 10 cleanest cities right now

  1. Quito, Ecuador - AQI 15 (PM2.5 2.6 μg/m³)
  2. La Paz, Bolivia - AQI 17 (PM2.5 0.1 μg/m³)
  3. Hua Hin, Thailand - AQI 18 (PM2.5 1.6 μg/m³)
  4. San Jose, Costa Rica - AQI 19 (PM2.5 4.9 μg/m³)
  5. Adelaide, Australia - AQI 19 (PM2.5 1.2 μg/m³)
  6. Pattaya, Thailand - AQI 21 (PM2.5 2.3 μg/m³)
  7. Stockholm, Sweden - AQI 21 (PM2.5 3.5 μg/m³)
  8. Toronto, Canada - AQI 22 (PM2.5 4.5 μg/m³)
  9. Rayong, Thailand - AQI 22 (PM2.5 2.6 μg/m³)
  10. Budapest, Hungary - AQI 23 (PM2.5 4.3 μg/m³)

What is AQI?

AQI (Air Quality Index) is a 0-500 scale used by the US EPA. Below 50 is good, above 150 unhealthy, above 300 hazardous. Most damage comes from PM2.5 - fine particles that enter the bloodstream. Learn more: PM2.5 explained.

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Data: live readings refreshed every 30 minutes by atmos.today. See methodology and attribution.