Think back to the red AQI forecast on your phone. What information was it trying to convey? The Air Quality Index (AQI) is a ...

What's the AQI?: The Air Quality Index, or AQI, is the primary system used to warn the public when air pollution is dangerous ...

The air has improved in the LA region as firefighters get blazes under control, but there are questions about how safe the ...

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

The Oregon DEQ has issued an air quality advisory for parts of Oregon due to stagnant air trapping pollutants.

The Oregon Department of Environmental Quality issued an air quality advisory for La Pine Tuesday due to stagnant air ...

The Oregon Department of Environmental Quality issued an air quality advisory Wednesday for Klamath County, southern Lake ...

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

If the colors are orange, I stay inside,” Wiedinmyer ... For people living near wildfires in the Los Angeles area, understanding the air quality index (AQI) charts can help you determine if ...

Ash from the wildfires, which can irritate your skin or lungs, falls out of the air and settles onto the ground and therefore ...

Those groups particularly sensitive to particulate matter in the air may want to limit time outside Friday and Saturday.