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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 ...
The coldest temperature ever recorded in Chicago city limits is −27 °F (−33 °C) at O'Hare on January 20, 1985, [18] though unofficial temperatures as low as −3 °F (−19 °C) have been recorded at Chicago Aurora Airport in far western suburbs and in the rural areas to the west of Chicago. [43]
The Loop is the seat of Chicago's city government. It is also the government seat of Cook County and houses an office for the governor of Illinois. The city and county governments are situated in the same century-old building. Across the street, the Richard J. Daley Center accommodates a sculpture by Pablo Picasso and the state law courts ...
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]
Source 2: Weather Atlas (UV) [5] Climate data for Chicago (O'Hare Int'l Airport), 1991–2020 normals, [a] extremes 1871–present [b] Month Jan Feb
The city should set limits on emissions from certain buildings, using an approach already in place in New York, according to the report from the Urban Land Institute Chicago. ... Weather. 24/7 ...
[1] [2] By default the least polluted cities which have fewest particulates in the air come first. Click on the arrows next to the table's headers to have the most polluted cities ranked first. Click on the arrows next to the table's headers to have the most polluted cities ranked first.
312 Chicago - City (The Loop and central neighborhoods, e.g. the Near North Side) 773 Chicago - City (Everywhere else within the city limits, excluding central area) 872 Chicago - City (overlay for 312 & 773, effective November 7, 2009) 847/224 (North and Northwest Suburbs) 630/331 (Outer Western Suburbs) 708 (South and Near West Suburbs)