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

The Air Quality Index, often referred to as AQI, is a federal measure of the amount of air pollution, reported on a six-color spectrum from green (good) to hazardous (maroon). There are five ...

Parts of Southern California have been issued air quality ... Downtown Los Angeles and surrounding areas of fires.' Particulate air pollution, also called PM2.5 pollution, is a mixture of tiny ...

On Sunday at 11:55 a.m. an updated air quality alert was issued in effect until Monday at noon. The alert is for San ...

A No-Burn Day notice was in place for residents in the South Coast Air Basin in California on Monday, having been extended ...

Researchers at the University of Southern California have released an interactive map to show Angelenos how ... than two-thirds of cancer risk from air pollution in the Los Angeles basin ...

Air quality across parts of California is deteriorating to hazardous levels as strong winds drive rapid wildfire spread and stir up heavy dust.

According to the map, the 10 ZIP codes with highest exposure are concentrated near the ports and along the 110, 710, and 605 ...

An air quality alert was issued on Friday at 12:07 p.m. in effect until Sunday at midnight. The alert is for Calabasas and ...

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