Check Air Quality in your Area
- Published on: 16 June 2020
- Last updated on: 11 August 2025
The Environmental Protection Agency (EPA) Air Quality Index measures the number of atmospheric pollutants in the air and tells you the status of the area you are checking.
Pollutants include:
- ozone
- carbon monoxide
- nitrogen dioxide and nitrogen oxides
- sulphur dioxide
- particulate matter
- benzene
- lead
- PAH (poly aromatic hydrocarbons)
- arsenic
- nickel
- cadmium
- mercury