Calculating air pollution from wildfires and other events has become more complicated. That doesn’t mean it’s necessarily more accurate.

The smoke may be temporary, but toxic air pollution is an ever-present danger with effects that linger for generations.

The fires that have ravaged Los Angeles over the past week were larger and burned hotter than they would have in a world without planet-warming fossil fuel pollution, a new analysis suggests.

The map pulls data from air monitors, hundreds of pollution sensors, and forecast models to provide real-time air quality index (AQI) readings for more than 1,000 locations. Los Angeles’ air ...

As the smoke clears from devastating Los Angeles wildfires, efforts to clean up the affected areas are being complicated by burnt-out electric and hybrid vehicles and home-battery storage systems.

As people in Los Angeles return to their devastated neighborhoods, now marked with burn scars and ... the air when it’s a little bit warmer, and then they go back and stick into surfaces or ...

As some people return to the structures spared from Los Angeles ... round particle pollution. It’s been No. 1 for ozone pollution for decades, Pruitt said. With the wildfires now on top of ...