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

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

    Chicago had the worst air quality in the world Tuesday, according to IQAir.com, a tracking service. The city's air quality index is in the "very unhealthy" category for all age groups, reminiscent ...

  3. Code red air quality alerts as Canada wildfire smoke spreads ...

    www.aol.com/air-quality-live-updates-canada...

    Chicago experienced the worst air quality in the world on Tuesday due to smoke from the Canadian wildfires. As parts of the Midwest grappled with the air conditions, millions of Americans in the ...

  4. 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 ...

  5. Biden urged to declare climate emergency as millions under ...

    www.aol.com/biden-urged-declare-climate...

    People living in the Midwest and Northeast were warned of a worsening air quality index throughout the week due to smoke from the Canadian wildfires

  6. Canadian wildfires are causing the worst air in the US in ...

    www.aol.com/news/canadian-wildfires-causing...

    The Environmental Protection Agency’s AirNow.gov site showed parts of Illinois, lower Michigan and southern Wisconsin had the worst air quality in the U.S. on Tuesday afternoon, and Chicago ...

  7. List of countries by air pollution - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_air...

    Air pollution can affect nearly every organ and system of the body, negatively affecting nature and humans alike. Air pollution is a particularly big problem in emerging and developing countries, where global environmental standards often cannot be met. The data in this list refers only to outdoor air quality and not indoor air quality, which ...

  8. 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 ...

  9. Dangerously hot temperatures, poor air quality continue in ...

    www.aol.com/dangerously-hot-temperatures-poor...

    Zachary Yack, a meteorologist with Chicago’s National Weather Service, said temperatures are running about 10 to 15 degrees higher than normal, which in late August is in the low to mid 80s.