Personal exposure to nitrogen dioxide and the oxidative potential of fine particulate matter (PM2.5), but not PM2.5 mass, ...

A coalition of Louisiana environmental groups is suing the state over a law they say violates their free speech rights by ...

TUCSON, Ariz. (13 News) - On Wednesday, southern Arizona had one of its first ozone alerts of the year. It will be just one of many in the coming months. The beginning of April is normally the start ...

The House and Senate both voted to loosen regulations on air pollutants like dioxin and mercury, which are associated with ...

None of the 35 methane gas turbines that help power xAI’s massive supercomputer is equipped with pollution controls typically required by federal rules. The company has no Clean Air Act permits.

These figures underscore the severity and persistence of Ludhiana's air pollution crisis. In contrast, Amritsar exhibited much cleaner air. In February, PM2.5 levels remained within safe limits on ...

The measurements will help scientists better understand how satellite air pollution affects Earth's atmosphere. In early September last year, a team of European scientists boarded a rented ...

The Senate voted Thursday to overturn an Environmental Protection Agency rule limiting the seven most hazardous air pollutants emitted by chemical plants, oil refineries and other industrial ...

Under the 1970 Clean Air Act, California can receive waivers to pass air-pollution standards that are stricter than the national rules. California’s ban on the sale of new gas-powered cars is ...

Milwaukee placed 26th worst out of 228 cities for ozone pollution, right behind Sheboygan, the 24th worst. The organization's annual report compared metro areas nationwide using air quality data ...

Sheboygan was 24th worst, followed by Milwaukee for 26th worst, out of 228 cities for ozone pollution. The organization's annual report compared metro areas nationwide using air quality data ...

The San Diego County Air Pollution Control District wants more people in South County communities impacted by odors stemming from cross-border sewage flows to apply for a free purifier.