The hazardous air quality in Los Angeles is largely a result of smoke from the Pacific Palisades Fire, intensified by strong ...

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

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

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

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

Sustaining a clean and sanitized indoor environment guarantees optimum indoor air quality, but utilizing the wrong cleaning ...

A dust and ash advisory has been issued for L.A. County until 7 p.m. Wednesday "due to harmful particle pollution levels from ...

Pollution in EU cities, while slowly improving, is still killing hundreds of thousands of people a year, a new report finds.

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 ...