AirNow Announcements

5/9/2017: Air Quality Awareness Week was May 1 - May 5. This year's theme was "Be Air Aware."

4/28/17: National Air Quality Conference, September 11 - 13, 2017. SAVE THE DATE!

10/28/16: The October Air Quality Flag Program Newsletter is now available. For past newsletters click here.

8/11/16: AirNow pre-event at the 17th World Clean Air Congress & 9th Better Air Quality Conference, 29 August – 2 September 2016, Busan, South Korea. More

The website will be down from 10 p.m. July 1 through 6 a.m. July 5, for five-year hardware maintenance. During this time, AQI forecast maps, and real-time ozone and particle pollution maps will be available at a temporary website. Learn more:

06/22/16: Wildfire Smoke, A Guide for Public Health Officials, 2016, now available.

6/14/16: Air Quality Flag Program Spring Challenge Winners!

5/31/16: Updated - Technical Assistance Document for the Reporting of Daily Air Quality