AQI: --
CO
NO2
O3
PM10
PM2.5
SO2
Good
Air quality is considered satisfactory, and air pollution poses little or no risk
Moderate
Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution
Unhealthy for Sensitive Groups
Members of sensitive groups may experience health effects. The general public is not likely to be affected
Unhealthy
Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects
Very Unhealthy
Health warnings of emergency conditions. The entire population is more likely to be affected
Hazardous
Health alert: everyone may experience more serious health effects