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Air quality alert in effect until midnight in Chicago area, weather officials say
Besides temperatures feeling in the high 90s Wednesday, Chicago and surrounding areas are under an air quality alert until midnight, weather officials said. The Illinois Environmental Protection Agency issued an Air Pollution Action Day for the greater Chicago area,
Topline. Here’s how to understand the Environmental Protection Agency’s Air quality index (AQI), which measures, on a 300-point scale (along with six categories and advisories), the quality ...
The Air Quality Index (AQI) can help you understand if there’s poor air quality. Learn how to use it as a guide to stay safe. Photo: Getty Images/Eduardo Munoz Alvarez ...
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.
What doesn't AQI tell us? The Air Quality Index does not take into account many gas or particle contaminants that are produced during wildfires, particularly when houses, cars and other ...
The Air Quality Index is a scale used for daily reporting of how clean or polluted the air is, ... The higher the AQI value, the greater the level of air pollution and the greater the ...
As of Thursday morning, New York City and Washington, D.C. have the two worst air quality conditions in America, according to IQ Air’s live ranking of major world cities, which ranks the cities ...
The AQI numbers run from 0 to 500. Here’s the breakdown: 0-50: Good. The air quality poses no risk. 51-100: Moderate. The air quality is OK for most people, but a few who are especially ...
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Feeling down? Here’s how air pollution could be messing with your brain and poor AQI be causing stress and depression.
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