AirNow Announcements

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 airnow.gov 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

5/6/16: Citizen science is the involvement of the public in scientific research. Learn More

5/5/16: Smog and particle pollution improvements: check Air Quality Trends in your city for your health.

5/4/16: Traveling abroad? You can find the AQI you use in the US at over a dozen US embassies & consulates worldwide. Air Quality Around the World.

5/3/16: It’s World Asthma Awareness Day! Learn more about Asthma and Air Quality.

5/2/16: Air Quality Awareness Week starts today! Take action to show how you care about the air.

4/14/16: The Air Quality Flag Program Spring Challenge starts tomorrow, April 15 and ends May 15.

3/9/16: NEW: Spanish-language website for Air Quality Flag Program - NUEVO: En español—El sitio web del programa de banderines sobre la calidad del aire

03/03/16: AIRNow is experiencing technical difficulties with our maps. We are sorry for the inconvenience.

03/03/16: Now available! Heart Disease, Stroke, and Outdoor Air Pollution (en Español) - Enfermedades del corazón, ataques cerebrales y contaminación del aire

2/1/16: Now Available! Air Quality Guide for Particle Pollution (en Español) - Guía de la calidad del aire sobre la contaminación por partículas
2/1/16: Now Available! Air Quality Guide for Particle Pollution (en Español) - Guía de la calidad del aire sobre la contaminación por partículas
Now Available! Air Quality Guide For Ozone (en Español) - Guía de calidad de aíre para el ozono

1/28/16: Updated Fact Sheet - Heart Disease, Stroke, and Outdoor Air Pollution
10/15/15 : Department of State provides air quality monitoring data from U.S. embassies and consulates overseas
10/1/15: EPA has updated the National Ambient Air Quality Standards for ozone and the Air Quality Index. Learn more

09/14/15: Fourteen Montana cities join AirNow.gov
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