Air quality warnings show PM2.5 particles at dangerous levels. Learn why today's hazy sky is a toxic soup that's damaging ...

The impacts were caused by an inversion combined with northeast winds bringing in smoke from wildfires in New Jersey. Warmer air aloft over cooler air at the surface trapped particles ...

The worst air in the country on June 14 is in New Castle County. The air quality index in Wilmington as of 9:45 a.m. was 227, ...

Rain continues in much of northern Alberta, clearing wildfire smoke and helping firefighting efforts across the province.

Temperatures take a tumble into the low 70s, cooler, but still humid with showers and thunderstorms on Saturday.

The Levoit Core 400S air purifier is on sale at Amazon—quiet, powerful HEPA filtration for wildfire smoke, pollen, and pet ...

Smoke from the wildfire in New Jersey's Wharton State Forest is being smelled in New Jersey, Pennsylvania and Delaware.

Researchers found that short-term exposure to fine particulate matter from wildfire smoke was responsible for tens of ...

Trace AQ, led by U researchers Heather Holmes, Derek Mallia and Kai Wilmot, provides forecasting data and suggests solutions ...

Wildfires are forecast to continue and expand through the summer in Western Canada and parts of the country’s north.

The Air India plane crash this week was one of India’s worst aviation disasters, killing 241 people on board and several ...

Less recognized has been the impact of the air we breathe indoors, even though we spend about 90% of our time inside, says ...