How a new monitoring system improves fire detections and captures the air pollution effects of planned peatland burns.

California’s largest wildfire of the year grew to an estimated 70,801 acres Friday, producing smoke that has affected ...

Firefighters were battling a raging vegetation fire off Highway 166 east of Santa Maria that had charred 35,350 acres as of ...

The blaze is burning in a rural area of San Luis Obispo County, in the central coast, but its smoke has spread to nearby ...

The Madre Fire, now the largest wildfire in California this year, expanded to 79,630 acres by Saturday, July 5, prompting ...

A massive wildfire scored 52,593 acres in the southeastern corner of San Luis Obispo County by Thursday evening, forcing the ...

The Los Padres National Forest, Cal Fire in San Luis Obispo, and Bureau of Land Management have been coordinating the ...

The U.S. has one of the world’s most advanced systems to monitor air pollutants. Can it keep up with a changing climate?

Two wildfires burning in Southern California are causing dangerous smoke impacts for more than 320,000 people.

As San Luis County's Madre Fire rips through California, air quality warnings are now being issued for nearby areas, ...

The smallest firework shells explode around 120 metres up, while the largest detonate around 350 metres above the ...

Firefighters in the Golden State are working to control dozens of blazes, with several large fires erupting in Riverside and ...