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

That smoke smell is not a Father's Day barbecue you're missing. The smoke, haze and ash permeating the Philadelphia region on ...

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, which is "very unhealthy," according to AirNow. A monitor in Newark was at ...

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 ...

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 ...

State Parks and Cal Fire plan a prescribed burn at Sugarloaf Ridge State Park as early as June 16 to cut wildfire risk and ...

But temperatures will be much cooler than typical for mid-June. The historical average for the week ahead, per National ...

Chicago has been caught between rain, fog and even wildfire smoke, leaving many residents searching for the sun.

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

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