AQI Calculator: Concentration to AQI
Select a criteria pollutant and enter the pollutant concentration in the specified units above;
the Air Quality Index and associated information are calculated below.
Requires Internet Explorer 6.0 or Netscape version 7.01.
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)
Units Required:
Enter the Concentration:
AQI
AQI Category
Sensitive Groups
Health Effects Statements
Cautionary Statements
Authored by Estelle Pircher, Iowa DNR, March 2003