Newsweek

Hundreds of Thousands Told To Avoid Driving

Hundreds of thousands of people in Colorado have been urged to avoid driving gas and diesel vehicles on Thursday amid an air pollution warning. The Colorado Department of Public Health (CDPHE) issued ...
CNN

Nearly half of Americans live in an area with a failing grade for air pollution, and the problem is only getting worse

Almost half of everyone who lives in the United States breathes unhealthy levels of air pollution, according to the American Lung Association’s annual State of the Air report, released Wednesday.
Mongabay

Ground-level ozone pollution poses growing threat to planetary health

In the stratosphere, ozone acts as a protective layer. But in the troposphere, at ground level, this colorless gas is incredibly harmful to human health and the environment in ways scientists are ...
The New York Times

Almost Half of Americans Breathe Unhealthy Air, Report Finds

Weakening or rolling back longstanding environmental regulations would worsen the problem, the American Lung Association assessment says. By Rebecca Dzombak At least 156 million Americans, about 46 ...
Colorado Public Radio

Colorado’s Front Range had a less smoggy summer thanks to cooler weather, less wildfire smoke

Colorado’s Front Range experienced another smoggy summer in 2025, but cooler weather and less wildfire smoke helped tamp down the region’s perennial air pollution problem. The federal government sets ...
The Sheboygan Press

Sheboygan County's air quality remains among worst in the nation, a new report says

This isn't a list Sheboygan wanted to rank high on, but here we are. Sheboygan County once again ranked among the worst areas in the country for ozone-polluted air, according to a new report by the ...