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

The monitor will reflect real-time air readings using a color-coded LED display on its face, while also sending you ...

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

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

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

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

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

After the fires get under control, wind could help push some particles out of the air, as will gravity with some larger ...

The fresh air came after days of acrid smoke from wildfires, but officials warned that conditions could rapidly worsen again.

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