EPA Fails to Identify Areas With Dangerous Pollution, Suit Says

April 13, 2026, 8:31 PM UTC

More than a dozen environmental and health groups sued the Environmental Protection Agency Monday over its delayed designation of areas with heavy ozone pollution across the country.

The Biden administration set stricter national ambient air quality standards for particulate matter under the Clean Air Act, but current EPA administrator Lee Zeldin failed to meet the law’s deadlines for identifying regions with “dangerous levels” of this pollution, according to the lawsuit filed in the US District Court for the Northern District of California.

Alliance of Nurses for Healthy Environments, the American Public Health Association, and the Sierra Club are among the ...

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