The data set: The data are collected as part of the Atmospheric Science and Measurement Network (ASCENT for short), which monitors air quality at sites across the country. You can see the data set for ...

Researchers at the University of Southern California have released an interactive map to show Angelenos how pollution from ...

Toxic smoke and dangerous particulate pollution are spreading far beyond the flames, leaving air quality at unhealthy levels ...

The Palisades and Eaton wildfires also continue burning in the Los Angeles area, leaving parts of Southern California with ...

Dust and ash left behind from the wildfires across Southern California can be irritating and hazardous when inhaled.

The Los Angeles County Department of Public Health is issuing a windblown dust and ash advisory following strong Santa Ana ...

Unlike typical wildfires, smoke from the L.A. fires — consisting of toxic materials from burned down homes, cars, and more — ...

There's confusion over how safe air quality is in L.A. as fires continue to burn, spewing wildfire smoke and toxins. We look at air quality readings, what's real and what's not and what people can do.

The Air Quality Index (AQI) can tell you a lot about the health of the environment, but there are still measures you can take ...

Wildfire ash carries many carcinogens that could cause short- and long-term health problems, including asthma attacks and ...

A new study commissioned by the city mapped the severity of extreme heat and poor air quality around Bloomington to focus mitigation efforts. Bloomington’s Assistant Director of Sustainability ...