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 ...

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

The marine layer returns acting to cool the coast and valleys while the mountains and deserts will remain above average with heat alerts into early next week ...

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 ...

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 ...