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As of Wednesday, more than 400 wildfires were burning across Canada, leading to air quality alerts − indicators the air is unsafe to breathe for certain people − across much of the eastern U.S.
MIchigan's air quality will be unhealthy for some groups Friday. Check the air quality index map to see if it's good or bad ...
A combination of high heat, poor air quality, and the threat of severe thunderstorms is bearing down on New York City this ...
The EPA's AQI ranges from 0 to 500 and represents the measurement of these five different major pollutants regulated by the Clean Air Act.
AirNow and PurpleAir use the Air Quality Index, or A.Q.I., a measure of air quality from 0 to 500 that is composed of six categories, from “good” to “hazardous.” ...
Unhealthy Air Quality Index level. Red: Indexes in the 151 to 200 range are considered "unhealthy." At this level, any member of the general public becomes susceptible to health effects.
TEMPO.CO, Jakarta - Jakarta's air quality on Wednesday, July 23, 2025, ranked second-worst in the world, according to the ...
Canadian wildfire smoke no longer lingers in Michigan as of July 18. Southwest Michigan will experience unhealthy air for sensitive groups on July 21.
As of Tuesday morning, the Air Quality Index in Milwaukee was between 115 to 120, which falls in the "unhealthy for sensitive ...
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