Unfortunately, air quality in national parks is markedly declining, according to the alarming Polluted Parks Report released by the National Parks Conservation Association in March 2024.

While there were some modest improvements since 2019, an overwhelming number of national parks exhibited what the group calls unsatisfactory levels of concern. "Air pollution can travel very far ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. While National Parks throughout the ...

The Trump administration has temporarily suspended an air-quality monitoring program at national parks across the country, according to an internal email obtained by The Washington Post and two ...