Weather across Colorado competed for most dramatic forecast on Saturday as red flag conditions challenged firefighters on the ...

A wildfire in the mountains north of Los Angeles continues to burn after it tore through thousands of acres and forced evacuations after<a class="excerpt-read-more" href=" More ...

The National Weather Service in Boulder has issued an air quality alert for Rio Blanco, Eagle, Summit, Garfield, Pitkin, ...

The National Weather Service said the alert will be in effect until Sunday morning in the Santa Clarita Valley and Saturday ...

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

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

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 ...

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 ...

The article discusses a study indicating wildfire smoke significantly increases ozone pollution, raising health concerns even ...

Smoke from wildfires in Canada continue to impact Greater Akron. An Air Quality Alert has been issued for northern Ohio for ...

Residents in Northumberland County faced unhealthy air conditions earlier this week as smoke from Canadian wildfires prompted ...