NPCA has released its 2024 “Polluted Parks” report, showing 97% of national parks suffer from air pollution. Meanwhile, the Environmental Protection Agency recently strengthened its air quality ...

Only seven countries met World Health Organization air quality standards last year, data showed on Tuesday, as researchers warned that the war on smog would only get harder after the United States ...

Canada's environment ministers have endorsed stronger air quality standards for fine particulate matter, while acknowledging the struggles caused by wildfires that can blanket the country in smoke ...

The US Environmental Protection Agency finalized a key update to the federal air quality standard for fine soot – a step to reduce deadly air pollution that’s been over a decade in the making.

The EPA announced on Friday more aggressive air quality standards for particulate matter, pollutants small enough to be inhaled and cause respiratory illness and other disease.

Why the Trump admin may be weakening air quality standards for Salt Lake City Utah officials have long argued that much of the ozone pollution along the Wasatch Front is beyond their control.

A top Republican lawmaker in Utah said he would like to see the Legislature have more power over air quality standards in the state.

Connecticut lawmakers are advocating for legislation that would help to improve air quality in public schools.

Colorado to ask EPA to further downgrade northern Front Range’s air quality State regulators to seek “severe non-attainment” designation under 2015 federal ozone standards ...

Ozone season is upon North Texas, meaning air quality will be top of mind for some residents. The season — which marks the window when there’s a greater risk of harmful amounts of ground-level ...

Only seven countries met WHO air quality standards in 2024, data shows Significant data gaps, especially in Asia and Africa, cloud the worldwide picture, and many developing countries have relied ...