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U.S. Air Quality Summary (text)

AQI Calculator: AQI to Concentration

AQI logo Select a criteria pollutant and enter the Air Quality Index (AQI) above; the associated pollutant concentration and health information are indicated below.

Select a Pollutant
Enter the Air Quality Index:

Concentration Units AQI Category
Sensitive Groups Health Effects Statements Cautionary Statements

AQI Calculator: Concentration to AQI