Elon Musk’s xAI is the subject of scrutiny in Memphis, where natural gas turbines powering its Colossus data center have raised alarm among residents concerned about air pollution. On Tuesday, the ...

After months of reporting and community concern, the city of Memphis has released its findings of air quality testing that ...

Heat waves are primarily caused by high-pressure systems that push warm air down onto an area and hold it there. During heat ...

EPA's ruling won't stop construction of the Hermosa Mine, which began last fall near Patagonia in Southern Arizona.

A new app aims to provide school communities in polluted areas with real-time data to help protect students from fine ...

Air quality alert remains in effect for entire Chicago area. When will it improve? According to the NBC 5 Storm Team, the worst air quality in the country Friday was recorded in Ann Arbor, Michigan ...

Some air quality alerts remained in effect Friday evening, including in northern Minnesota, northern Indiana, southern Michigan and northern New York, according to the National Weather Service.

Sunday looks better with sunshine and comfy air in place. Highs will be cooler, back in the 70s this weekend. Turning more summer-like through midweek as heat and humidity builds into New Hampshire.

Smoke from wildfires burning in Canada and a Saharan dust cloud could collide over North Carolina this week. Here’s how it could affect air quality in the state.

Smoke from the Canadian wildfires continues to bring potentially dangerous air quality to parts of the northern U.S., with hazy skies possible.

Wildfire smoke from blazes burning in the Canadian prairie has drifted across New York and Chicago, contributing to air-quality alerts that warn of breathing problems for children and older adults.