Smoke from wildfires in Canada has drifted into the U.S., prompting air quality alerts for Americans as it continues to spread. But when officials and forecasters classify a city's air as "unhealthy" ...

Google's latest launch suggests Maps is becoming more than a navigation tool, as the company announces three new public APIs covering solar, air quality, and pollen data and predictions to address the ...

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Smoke from Canadian wildfires has impacted the air quality throughout United States, including in the northern High Plains, Midwest, Great Lakes, southern Mid-Atlantic and into the Northeast. This has ...

The AQI is measured on a scale from 0 to 500, with the lower the number, the healthier the air. (Getty Creative) But many Angelenos aren’t sure if the AQI tells the full story, especially given how ...

Air quality in Los Angeles has improved as the Palisades and Eaton wildfires get under control. But as the fires burned through houses, cars and industrial areas, they spewed out vast amounts of smoke ...

If you live on the U.S. East Coast, your phone might have been lighting up all day with alerts about your local air quality. Much of the region is under a “code red” alert as a thick blanket of smoke ...

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The color-coded Air Quality Index categories you’ll find on the Environmental Protection Agency’s AirNow website rank air quality on a 500-point scale and are meant to give the public an easy way to ...