U.S. Environmental Protection Agency

In the mid-20th century, urban areas across the country experienced extreme pollution events that contributed to the formation of the Environmental Protection Agency. Though the U.S. has substantially improved air quality over the last five decades, evolving sources of pollution as well as impacts from wildfires continue to pose a threat to public health and the environment. As we celebrate EPA’s 50th Anniversary, members of the Agency’s Air Quality Analysis team are using GIS to manage ambient air data, apply Geospatial science to analyze patterns and model air quality, and produce readily accessible information for policymakers and for the public to help make decisions about their daily activity through AirNow.gov. EPA continues to strive to keep the air clean today, and for tomorrow.

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