AirNow Announcements

12/08/14: AIRNow is experiencing technical difficulties with our maps. We are sorry for the inconvenience.

2/24/15: AIRNow is experiencing technical difficulties with our maps. We are sorry for the inconvenience.

07/28/15: Poor Air Quality Expected along the Southern Coast of New England Tomorrow (Wed. July 29)

System Maintenance Tuesday, July 14 at 8PM EDT

AirNow will be undergoing maintenance 06/07/2015 from 9:00 AM to 2:00 PM EDT.

Now available: A look back:
Ozone in 2014 and PM in 2014.


5/18/15: Six New Organizations Join the Air Quality Flag Program

5/12/15: The Air Quality Flag Program has expanded to include all organizations that want to fly AQI flags!

5/7/15: Seven New Organizations Join the Air Quality Flag Program

Air Quality Awareness Week, Monday, April 27- Friday, May 1 | Updated Website

4/29/15: Seven New Schools Join the School Flag Program!

4/27/15: It's Our Environment Blog Post: What Does Air Quality Mean for Your Exercise Routine?

4/22/15: AirNow: The Air Quality Index and You poster now available

4/7/15: White House announcement includes the Village Green Project (under Improving Air Quality Data)

3/26/15: Updated Air Quality Guide for Ozone

03/09/15: AIRNow is experiencing technical difficulties with our PM and AQI animated maps. We are sorry for the inconvenience.

2/03/15: Updated Ozone Facts webpage.

11/04/14: Updated AirNow materials in Spanish- Ozone and Your health and Guide to Air Quality for Ozone

10/15/14: Mexico City joins AirNow.

9/24/14: New Fire Map Showing Air Monitors, Smoke Plumes and Fire Locations

9/24/14: New AirNow Widget for the School Flag Program.

8/28/14: Updated Air Quality and Outdoor Activity Guidance for Schools Chart.

8/19/14: New and Improved Air Quality Index Brochure (PDF)