How is air quality across the U.S. these days? -- Paul Jackson, Washington Answer: Air quality is defined as the degree to ...

Smoke from the wildfires burning out-of-control in the Canadian provinces of Saskatchewan and Manitoba is moving across the ...

A series of wildfires burning across central Canada sent smoke billowing into the U.S. over the weekend, with few signs that ...

Already millions across Texas, Minnesota and Michigan have been warned to keep their windows closed and to limit outdoor ...

A new law has had a chilling effect on community groups that try to investigate air quality in their neighborhoods.

Communities south of the U.S.-Canada border reported air quality index (AQI) readings between 200 and 400 – levels which are considered to be unhealthy to even hazardous. A value between 0 and ...

Smoky skies will fill several portions of KELOLAND today, with air quality concerns in place due to Canadian wildfire smoke ...

States across the border issued air advisories about particulate pollution that are expected to last for several days.

Aeroplane air health primarily concerns the quality, safety, and potential health impacts of the air that passengers and crew breathe during flights. This ...

The fallout, which appears to be aluminum particles, has been found covering cars, homes, and pools, prompting health ...

Clean vehicle advocates say air quality and public health will suffer; auto and petroleum industry lobbyists supported the ...