Aerosols, small particles in the atmosphere like salt and dust, may offset a third of human-caused climate warming, though their influence is fading.

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WISCONSIN — Sixty counties in Wisconsin will be under air quality advisories Thursday. The Wisconsin Department of Natural Resources (DNR) said Canadian wildfire smoke entered northwest Wisconsin ...

Scientists are flying daily from Hagerstown to study air quality and greenhouse gases across the Baltimore-Washington ...

When you're on a camping trip, you might have to pack your own food and maybe something to filter or treat water that you ...

As wildfire smoke becomes a frequent summer hazard across large parts of the US, knowing the risk at the neighborhood scale matters for human health.

An air quality alert from the state Department of Environmental Conservation, in effect until midnight Sunday, includes the Capital Region, Adirondacks, Hudson Valley, New York City and Long Island.

Establishment of external quality assurance lab at SPHL to ensure quality of tests in government labs across Tamil Nadu.

PETALING JAYA: Two areas recorded unhealthy air quality levels as isolated hotspots continued to be detected across Sumatra, Indonesia, as well as parts of Sabah and Sarawak.

Wildfire smoke will persist across Minnesota on Friday, creating hazy sunshine as we wrap up the work week. An air quality alert is in effect across the state until 11 p.m.

Smoke descends on Northeastern US. Map shows air quality impacts. State officials from Maine to New York issued alerts for fine particulate matter, a toxic byproduct of wildfires that is small ...