Vulnerable groups are urged to avoid outdoor activity in multiple parts of southern California due to air pollution.

By CNN Meteorologists Mary Gilbert, Brandon Miller, Briana Waxman, and CNN’s Joe Sutton A wildfire in the mountains north of Los Angeles continues to burn after it tore through thousands of acres and ...

Firefighters continue to battle the Gifford Fire, which has been bringing smoke and poor air quality to parts of Southern ...

More and more people in Michigan are gagging on smoky air blowing in from Canada’s wildfires or struggling to avoid ...

Smoke drifting south from Canadian wildfires has made skies in Pennsylvania and other states hazy this week. The Pennsylvania ...

California’s air quality alert, affecting over half a million people, has advised residents to avoid burning candles, incense, and using fireplaces.The warning is issued in ...

The smoke is not impacting air quality, according to the Finnish Meteorological Institute (FMI). Smoke from Canadian ...

The smell of campfire in the air might seem familiar by now, but this summer’s haze isn't just a nuisance: it’s historic.

Wildfires release vast amounts of visible pollutants into the atmosphere that darken skies and push people indoors to avoid unhealthy air. But a near-invisible threat to public health associated with ...

Most of Western Colorado and Eastern Utah will be under Red Flag Warnings once again Saturday from 11 AM to 8 PM. The wind ...

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.

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