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The U.S. Environmental Protection Agency (EPA) is committed to protecting public health by improving air quality and reducing air pollution. This annual report presents the trends in the nation's air quality, and summarizes the detailed information found at EPA's AirTrends website .

Please scroll down to view the annual report, use the top menu to jump to a topic or start by viewing the tutorial video . If encountering any issues viewing content, update or try opening the website in another browser.