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An excessive heat warning remains in effect until 10 p.m. in northern Illinois, as the weather service warns of a heat index — what the temperature feels like when humidity is combined with air ...
The Illinois Environmental Protection Agency issued an air quality alert in effect until midnight Wednesday and encouraged Chicago residents to limit their time outdoors. Detroit had the second ...
US counties that are designated "nonattainment" for the Clean Air Act's NAAQS, as of September 30, 2017. The U.S. National Ambient Air Quality Standards (NAAQS, pronounced / ˈ n æ k s / naks) are limits on atmospheric concentration of six pollutants that cause smog, acid rain, and other health hazards. [1]
The January 2024 version of the WHO database contains results of ambient (outdoor) air pollution monitoring from almost 5,390 towns and cities in 63 countries. Air quality in the database is represented by the annual mean concentration of particulate matter (PM10 and PM2.5, i.e. particles smaller than 10 or 2.5 micrometers, respectively). [1 ...
Below is a list of 526 cities sorted by their annual mean concentration of PM2.5 (μg/m 3) in 2022. [1] [2] By default the least polluted cities which have fewest particulates in the air come first.
The smoke is leading to hazy conditions in the Windy City on Tuesday, with the air quality now considered unhealthy for everyone, not just those with respiratory conditions. ... “If people have ...
Higher temperatures will yield more heat waves like the 1995 Chicago heat wave. [8] According to the National Weather Service, heat is a leading contributor to weather-related deaths. [9] Increases in temperature are especially dangerous in cities like Chicago, which experience the urban heat island effect. Future heat waves will yield similar ...
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