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Individual pollutant levels
Carbon monoxide
(CO)
ppm
Nitrogen dioxide
(NO2)
ppb
Ozone
(O3)
ppb
Sulphur dioxide
(SO2)
ppb
Fine particles matter (PM2.5)
μg/m3
Coarse particulate matter (PM10)
μg/m3
Ammonia (NH3)
μg/m3
3 Day Simple AQI Forecast
1 = Good
2 = Fair
3 = Moderate
4 = Poor
5 = Very Poor
More Useful AQI Resources
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