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National Overview                                                  

Today's National Forecast - click for larger map

Top Story: Elevated levels of particle pollution, approaching the Unhealthy for Senstive Groups category, continue in parts of Indiana and Michigan today. Good to Moderate air quality forecast for the rest of the U.S.
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International Air Quality
Air Quality Email Notification Now Available (limited basis). EnviroFlash is a free service that provides information about air quality via email. A pilot version is available for several areas: Cincinnati, OH, Detroit, MI, Nashville, TN, Oklahoma City, OK, and Greensboro/High Point/Winston-Salem, NC.
Compare air quality of US cities. To generate an air quality report visit AIRData or visit AIRTrends for a summary of major metropolitan areas.
Mount St. Helens Update, Volcano Alert (Level 2) Current Status. Exit airnow
   Volcanos Can Impact Air Quality
Air Quality Index (AQI) values can vary from one season to another. In summer, for example, ozone may be a significant air pollutant because it forms in the presence of heat and sunlight. Particle pollution can be elevated at any time of the year. --More --
Local Forecast & Conditions:

Local forecasts and current air quality conditions, animations, visibility web cams and state, tribal and local Web sites.
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Current Visibility in Indianapolis, IN
Current Visibility in Indianapolis
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Children's Health Month
AQI for Kids: October is children's health month.
Kids can learn about the Air Quality Index (AQI) and how air quality effects their health.
AIRNow is a government-backed program. Through AIRNow, EPA, NOAA, NPS, news media, tribal, state, and local agencies work together to report conditions for ozone and particle pollution.
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