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 California. Red flag warnings continue for parts of the West, with little to ...

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

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

Thousands near LA ordered to evacuate as fast-moving Canyon fire spreads - Hundreds of firefighters are battling the Canyon ...

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

It’s no easy feat organizing a clean place for 1,000 firefighters to rest after a long day on the line. Here’s how it gets done.

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 ...

A fast-moving wildfire near the Ventura and Los Angeles county line spread to over 1,500 acres on Aug. 7, triggering evacuations in the area.

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