Data are displayed within 1 - 3 hours of collection and are for general public awareness only.
Air Quality Index
The Air Quality Index (AQI) is an index for reporting how clean or polluted your air is and is generated using local air quality monitoring data.
The AQI focuses on health effects you may experience within a few hours or days after breathing polluted air.
Check the AQI being measured at a pollution monitor near you online.
Smoke and Air Quality
Find Colorado air quality, wildfire smoke, and health advisory information at the State's Air Quality Advisorypage.
Sign up to receive Colorado air quality alerts by emailing CO State Dept of Public Health & Environment at firstname.lastname@example.org and in the body of your text state, "Please sign me up for Colorado Air Quality alerts."