The Maine Department of Environmental Protection warns that unhealthy conditions may persist through the weekend.

San Diego faces a pollution crisis due to untreated wastewater from the Tijuana River affecting water and air quality.

To reduce pollution and protect public health, it is recommended to avoid gas stations during air-quality alerts or refueling ...

Learn more about the latest Phoenix area weather forecast and conditions with Most Accurate Forecast from ABC15.

Trump administration targets environmental rules that experts say prevent thousands of deaths and save billions in health ...

The Graded Response Action Plan (GRAP) is a set of stratified measures and guidelines implemented in Delhi NCR to combat air ...

Opponents say the rules would have limited consumers’ choices and driven up costs, while supporters say they are critical for ...

The crisis affects 25 million more people than last year, putting families at serious health risk. California cities dominate the worst air quality rankings, with pollution levels reaching decade-high ...

During the shutdown, Suncor’s refinery released excessive amounts of sulfur dioxide, hydrogen sulfide, carbon monoxide and ...

The Air Quality Index (AQI) uses a color-coded scale to inform the public about air pollution levels and potential health ...

Residents in majority-Black north Birmingham, Alabama, have long been subjected to industrial pollution. The new ...

Hazardous air pollution poses significant health and economic challenges for Nepal. Air pollution raises public health ...