Is the Air Quality Index enough? What the AQI can — and can't — tell you about how healthy the atmosphere is.
After fires destroyed multiple neighborhoods across Los Angeles County, many residents looked up to find blue, smoke-free ...
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Concerned about LA air quality? Here are 7 expert tips
Wear a tight-fitting N95 mask at the bare minimum, but a P100 is better, experts say. Wear long sleeves, eye protection, ...
The air in 12 Texas counties exceeded federal soot standards. Only four may face consequences.
Twelve Texas counties have recently exceeded federal air quality standards for particulate matter, commonly known as soot.
Air Quality Improves Across L.A., but Ash Remains a Threat
The fresh air came after days of acrid smoke from wildfires, but officials warned that conditions could rapidly worsen again.
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Does a ‘good’ Air Quality Index rating mean it’s safe to be outdoors?
The Air Quality Index, or AQI, is the primary system used to warn the public when air pollution is dangerous. It’s based on ...