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 ...

The fire has scorched an estimated 5,400 acres north of Los Angeles, but Ventura County officials said firefighters were ...

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

The air quality near the Canyon Fire burn zone was deemed unhealthy by the South Coast Air Quality Management District.

Thousands near LA ordered to evacuate as fast-moving Canyon fire spreads - Hundreds of firefighters are battling the Canyon Fire, which ignited Thursday afternoon in Ventura and Los Angeles counties ...

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 ...

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

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