The EPA's Air Quality Index can tell you whether breathing outside air can be harmful. Here's how to read the scale to plan ...

The Illinois EPA declared an Air Pollution Action Day in the Chicago metro area. See today's air quality index forecast for Illinois.

I lost my home in the Pacific Palisades fire. Although wildfires have become a part of modern life, you can take steps to ...

Officials from California and 10 other states announced a lawsuit Thursday morning seeking to keep the air pollution standards for cars in place.

Thanks to a new International Maritime Organization policy, international cargo ships will start paying fees for excess ...

Bucharest City Hall is set to implement a low-emission zone across the entire metropolitan area, gradually restricting access ...

Cloud rotation over Clear Lake, IA (7/10/2025) ...

The Clean Shipping Act, if it becomes law, would set a path to eliminate greenhouse gas emissions from large ships doing ...

When air quality is ranked "unhealthy for vulnerable groups" it means PM 2.5 are at levels that can cause problems for people with medical conditions, especially respiratory issues like asthma and ...

Los Angeles County is the focus of an updated air quality alert reported at 3:30 p.m. on Wednesday by the National Weather Service. The alert is in effect until Thursday July 10, at 8:15 p.m.

Ozone pollution is invisible,” says Kai Chen, PhD, co-faculty director of the Yale Center on Climate Change and Health, and that’s exactly why it is so dangerous. On July 9, air quality alerts ...