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  • AirNow. gov
    AirNow is your one-stop source for air quality data Our recently redesigned site highlights air quality in your local area first, while still providing air quality information at state, national, and world views
  • National Maps | AirNow. gov
    This is a list of Reporting Areas with the highest current Air Quality Index (AQI) values Ozone and particle pollution monitors across the country report current air quality readings to AirNow around the clock The AirNow system generates a list of where the AQI for ozone or particle pollution is currently the highest at any given hour; this list automatically updates hourly, so the list
  • Air Quality Index (AQI) | AirNow. gov
    Air Quality Index (AQI) Health Millions of people live in areas where air pollution can cause serious health problems Local air quality can affect our daily lives Like the weather, it can change from day to day EPA developed the Air Quality Index, or AQI, to make information available about the health effects of the five most common air pollutants, and how to avoid those effects
  • AirNow Fire and Smoke Map
    Satellite-detected smoke plumes are not visible at night or through clouds Plumes are most detectable in the afternoon and indicate atmospheric smoke that may not affect ground-level air quality
  • Maps and Data | AirNow. gov
    Fires, Archived Data There are no current and forecast air quality data found near your location Please visit the for a list of cities with data Please search for a U S location, or visit the International navigation tab
  • State AQI | AirNow. gov
    AirNow gov - Home of the U S Air Quality Index
  • About AirNow | AirNow. gov
    AirNow is your one-stop source for air quality data Our recently redesigned site highlights air quality in your local area first, while still providing air quality information at state, national, and world views A new interactive map even lets you zoom out to get the big picture or drill down to see data for a single air quality monitor
  • Air Quality Index (AQI) Basics - AirNow. gov
    What is the U S Air Quality Index (AQI)? The U S AQI is EPA’s index for reporting air quality How does the AQI work? The U S Air Quality Index (AQI) is EPA's tool for communicating about outdoor air quality and health The AQI includes six color-coded categories, each corresponding to a range of index values The higher the AQI value, the greater the level of air pollution and the
  • AQI Health | AirNow. gov
    Air Quality Index (AQI) Health Millions of people live in areas where air pollution can cause serious health problems Local air quality can affect our daily lives Like the weather, it can change from day to day EPA developed the Air Quality Index, or AQI, to make information available about the health effects of the five most common air pollutants, and how to avoid those effects
  • Technical Assistance Document for the Reporting of Daily Air Quality . . .
    For ease of use, the categories are color-coded and provide statements about local air quality, which groups of people may be affected, and steps people can take to reduce their exposure to air pollution The AQI is also used as the basis for air quality forecasts and current air quality reporting





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