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  2. Chicago's air quality ranks among worst in the world - AOL

    www.aol.com/news/chicagos-air-quality-ranks...

    “Poor air quality is particularly dangerous to sensitive health groups like people with respiratory or cardiovascular conditions,” Adams tweeted. “Bring a KN95 or N95 mask with you tomorrow ...

  3. List of most-polluted cities by particulate matter concentration

    en.wikipedia.org/wiki/List_of_most-polluted...

    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 ...

  4. List of least-polluted cities by particulate matter concentration

    en.wikipedia.org/wiki/List_of_least-polluted...

    [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.

  5. Air pollution - Wikipedia

    en.wikipedia.org/wiki/Air_pollution

    Air pollution can occur naturally or be caused by human activities. [4] Air pollution causes around 7 or 8 million deaths each year. [5] [6] It is a significant risk factor for a number of pollution-related diseases, including heart disease, stroke, chronic obstructive pulmonary disease (COPD), asthma and lung cancer.

  6. Chicago air quality unhealthy as Canadian wildfire emissions ...

    www.aol.com/chicago-air-quality-unhealthy...

    The air quality in Chicago has reached unhealthy levels as the city is affected by the smoke coming from the wildfires in Canada, where record-beating emissions are leading to the smoke travelling ...

  7. Mayor Brandon Johnson announces plans to address pollution ...

    www.aol.com/mayor-brandon-johnson-announces...

    A year after federal investigators outlined how Chicago funnels industrial polluters into Black and Latino neighborhoods, Mayor Brandon Johnson vowed Monday to overhaul zoning, planning and land ...

  8. Category:Images of Chicago - Wikipedia

    en.wikipedia.org/wiki/Category:Images_of_Chicago

    This page is part of Wikipedia's repository of public domain and freely usable images, such as photographs, videos, maps, diagrams, drawings, screenshots, and equations. . Please do not list images which are only usable under the doctrine of fair use, images whose license restricts copying or distribution to non-commercial use only, or otherwise non-free images

  9. AP 42 Compilation of Air Pollutant Emission Factors - Wikipedia

    en.wikipedia.org/wiki/AP_42_Compilation_of_Air...

    Air pollution emission factors are usually expressed as the weight of the pollutant divided by a unit weight, volume, distance, or duration of the activity emitting the pollutant (e.g., kilograms of particulate matter emitted per megagram of coal burned). The factors help to estimate emissions from various sources of air pollution.