A new report shows air pollution threatens the majority of the world’s population, while information gaps increase the risks.

When pollution gets bad enough in the rivers supplying Iowa's largest city with drinking water, it costs Des Moines around ...

Traffic cameras and mobile data are being used to map city pollution in real time, giving cities a powerful new tool to track ...

The damage from military attacks on cities can fill the air with pollutants that harm the lungs and stress the heart.

The standards were created in 2012 and strengthened in 2024 by former President Joe Biden. The Trump administration is ...

A High Pollution Advisory is in effect due to lingering dust, pollen and smoke across parts of the Valley. Expect hot ...

After years of failing to meet Clean Air Act standards, metro Phoenix won its argument that nonlocal ozone shouldn't count.

Huntsville opens nominations for its 2026 Air Pollution Achievement Awards.

Lower wildfire activity and changing traffic patterns stemming from the COVID-19 pandemic reduced air pollution in sensitive ...