The Air Quality Index, or AQI, is the primary system used to warn the public when air pollution is dangerous. It’s based on ...

As people return to the structures spared from Los Angeles wildfires, experts warn that they should be careful of the air ...

Los Angeles is now a week removed from the day that multiple devastating wildfires erupted to torch tens of thousands of ...

NCR, authorities have imposed Stage 4 restrictions under the Graded Response Action Plan (GRAP). The air quality index soared ...

Wildfires are tearing through thousands of acres in Los Angeles County in California, as strong Santa Ana winds stoke the ...

Several parts of southern California are currently under windblown dust and ash advisories as deadly wildfires continue to ...

Ash from the recent LA County fires and burn scars formed by other wildfires in the fall can be dispersed by strong winds.

The India Meteorological Department and the Indian Institute of Tropical Meteorology predicted that AQI may breach the 400 ...

Air quality is a big concern for everyone in Southern California, even for those who don't live near fire zones. Here are answers to some of your top questions.

As thousands of acres burn across Southern California, wildfire smoke is causing poor air quality in the region and beyond.

Here's what to know about improving your air quality at home during a wildfire—these expert tips help you breathe easier when ...

Already known for having some of the worst air quality in the U.S., people in Southern California are now also at risk of ...