AQI Calculator: AQI to Concentration
Select a criteria pollutant and enter the Air Quality Index (AQI) above;
the associated pollutant concentration and health information are indicated below.
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Select a Pollutant
PM2.5 - Particulate <2.5 microns (24hr avg)
PM10 - Particulate <10 microns (24hr avg)
CO - Carbon Monoxide (8hr avg)
SO2 - Sulfur Dioxide (24hr avg)
O3 - Ozone (8hr avg)
O3 - Ozone (1hr avg)
NO2 - Nitrogen Dioxide (1hr avg)
Enter the Air Quality Index:
Concentration
Units
AQI Category
Sensitive Groups
Health Effects Statements
Cautionary Statements