Smoke from ongoing wildfires across Canada continued to drift into parts of the United States on Wednesday, causing hazy ...

The smoky air poses potential health risks for people including children, older adults and those with heart or lung disease.

Wildfire smoke doesn’t just cloud the horizon, it can chemically change the air at ground level and in layers of the atmosphere miles above.

Anyone who might be especially vulnerable to the effects of air pollution should limit their outdoor activities.

Smoke produced by hundreds of wildfires burning across Canada has drifted thousands of miles and nearly circled the entire ...

Skies across Massachusetts could remain hazy on Wednesday, but this could also soon change as possible thunderstorms and ...

Wildfire smoke from Canada continues to impact air quality across central Pennsylvania, with hazy conditions expected through ...

More smoke and heat is expected across the Pikes Peak Region Thursday as morning temperatures quickly rise, prompting another ...

There are no air quality alerts for New Jersey on Wednesday with the thickest smoke expected to remain north and west of the ...

A day after smoke from Canadian wildfires created hazy conditions across Massachusetts, residents of the Bay State can expect ...

Wildfire smoke has returned to Pennsylvania, but its impact on air quality so far is far less severe than what the region ...