After decades of strict adherence to the California Environmental Quality Act, lawmakers have greenlit a transformative ...

A wildfire broke out in Lassen County near the Nevada-California border on the afternoon of Monday, June 30. As of Tuesday ...

The past several years have been marked by an increase in the frequency and severity of wildfires in the western United ...

The Santa Barbara County Air Pollution Control District announced an upgraded version of its Permitted Facilities Map, an ...

A study published in Epidemiology in late May demonstrated that fine particulate matter in wildfire smoke represents a danger to human health considerably longer than a couple of days as previously ...

Exposure to wildfire smoke and heat stress can negatively affect birth outcomes for women, especially in climate-vulnerable ...

Researchers are trying to get a handle on the impacts of wildfires like those in the Pine Barrens, Canada and elsewhere.

What is the air quality forecast for the Coachella Valley area? PM10 levels will increase through Saturday afternoon, and the PM10 levels in the unhealthy to hazardous Air Quality Index categories ...

What the Air Quality Index doesn’t tell us about the air This moment demands more than headlines In a time of noise, confusion, and spin, we’re committed to clarity, truth, and depth — even ...

But air quality can vary on a hyperlocal scale, meaning the network of official sites is "fairly sparse," says Michael Jerrett, an air pollution expert at the University of California, Los Angeles.

The U.S. Environmental Protection Agency (EPA) issues an Air Quality Index (AQI) for five pollutants, including fine particle pollution, (PM2.5) and ozone. The rates are as follow: Good: 0-50 ...

“The air quality index may say something, but that is totally not applicable to us walking on a site that's still smoldering, or smoke coming our way from wind, or us sweeping the dust,” said ...