About 44% of Americans — 152.3 million people — live in places that receive failing grades for air quality. While that is a ...

Air quality is linked to a wide range of health issues including respiratory problems, cardiovascular complications, and ...

Millions of Americans are being urged to stay indoors as toxic air pollution sweeps across part of the US on Friday.

With bigger fireworks celebrations across the US, cities are expected to experience poor air quality under historic heat.

The American Lung Association calls it a “grim indication of the deterioration of air quality nationwide”: Bangor, Maine, is the last city standing on all three of its “cleanest cities” lists. Bangor ...

Prescribed fires are vital for reducing wildfire risk and sustaining forest biodiversity. But they also contribute ...

As climate-driven pollution worsens, new research reveals how air quality alerts will surge, and why simple actions like staying indoors could save lives, especially for the most vulnerable. Study: ...

Nearly half of children in the United States are breathing dangerous levels of air pollution, according to a new report, as experts warned Donald Trump’s expansive rollback of protections will make ...

A "purple" air quality alert was issued for Washington, D.C., and surrounding areas, on Sunday, meaning pollution reached ...

El Paso and Los Angeles were among the most polluted areas in the United States last year, according to a new air quality report that evaluated pollution levels around the world in 2025. The report is ...