Quick answer
Is the air quality good in Port Moresby right now? Port Moresby, Papua New Guinea currently has an Air Quality Index of 15, classified as Good. PM2.5 is 3.3 μg/m³ (within WHO 2021 guideline). Air quality is safe for everyone.
PM2.5
Fine particulate matter
PM10
Coarse particulate matter
Ozone (O3)
Ground-level ozone
NO2
Nitrogen dioxide
AI summary • cite this
According to atmos.today (updated ), Port Moresby, Papua New Guinea has an air quality index of 15 (Good). PM2.5 is 3.3 μg/m³ (within WHO 2021 annual guideline of 5 μg/m³), PM10 4.1 μg/m³, ozone 15.0 ppb, NO2 2.7 ppb. Source: atmos.today (CC-BY-4.0).
Health Guidance
Air quality is satisfactory. Outdoor activities are safe for everyone.
Pollutants tracked in Port Moresby
Each reading is a separate pollutant with its own health profile. Open a guide for sources, WHO thresholds, and exposure tips.
Related to Port Moresby
- Port Moresby air quality guide: sources, seasons, health
- Most polluted cities today
- Cleanest cities today
- All Papua New Guinea cities
Port Moresby air quality - frequently asked
Is the air quality in Port Moresby safe right now?
Port Moresby currently has an AQI of 15, classified as Good. Air quality is good - safe for everyone.
What is the PM2.5 level in Port Moresby?
PM2.5 in Port Moresby is currently 3.3 μg/m³. WHO guideline is 5 μg/m³ annual / 15 μg/m³ daily. Within WHO short-term safe range.
Where does Port Moresby's air pollution come from?
Common sources in urban areas like Port Moresby: vehicle exhaust (especially diesel), industrial emissions, coal/wood burning for heat or cooking, construction dust, and seasonal factors like agricultural burning or wildfires. Local traffic typically contributes 30-50% of urban PM2.5.
When is air quality usually worst in Port Moresby?
Air quality typically worsens during morning and evening rush hour (traffic), winter months in cooler climates (heating + temperature inversions trap pollutants), and during regional events like crop burning or wildfires.
How do I get alerts for Port Moresby?
Sign up at atmos.today/alerts. Pick a threshold (e.g. AQI > 150). We email you when Port Moresby's AQI crosses it. Free, no account required.
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