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

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

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

Air quality is a big concern for everyone in Southern California, even for those who don't live near fire zones. RELATED: Is the air quality index in your area safe? See map for the latest info We ...

Epidemiological studies have linked dirty air to dementia and other brain disorders. Now researchers are trying to determine ...

Interest in air filters and purifiers is spiking in Southern California, including questions about how to build a homemade air purifier. Getting clean air is the latest challenge for residents who ...

Twelve Texas counties have recently exceeded federal air quality standards for particulate matter, commonly known as soot.

Wildfire smoke causes particularly dangerous air quality, especially for sensitive groups including children and pregnant ...

Bangladesh's densely populated capital, Dhaka, ranked as the city with the second-worst air quality globally, recording an ...

With hazardous levels of smoke lingering over Los Angeles County as a result of the slew of wildfires currently burning throughout the region, county officials are urging the public to stay safe.