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U.S. Air Quality Summary (text)
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.
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 (1hr avg)
SO2 - Sulfur Dioxide (24hr avg)
O3 - Ozone (8hr avg)
O3 - Ozone (1hr avg)
NO2 - Nitrogen Dioxide (1hr avg)
Units Required:
Enter the Concentration:
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AQI Calculator: AQI to Concentration
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