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  2. 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 ...

  3. List of countries by air pollution - Wikipedia

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

    Air pollution is among the biggest health problems of modern industrial society and is responsible for more than 10 percent of all deaths worldwide (nearly 4.5 million premature deaths in 2019), according to The Lancet. Air pollution can affect nearly every organ and system of the body, negatively affecting nature and humans alike.

  4. The 10 Cities With the World's Worst Air - AOL

    www.aol.com/news/2010-11-29-10-cities-with...

    With that background, here are 24/7's 10 cities with the worst air quality: 1) Beijing, China (tie) ... "Air pollution is a huge problem here, it leads to so many diseases -- respiratory diseases ...

  5. Air pollution in the United States - Wikipedia

    en.wikipedia.org/wiki/Air_pollution_in_the...

    During June 2023, due to early season wildfires in Canada, cities like New York and Washington D.C. suffered from dangerous levels of air pollution. It was the worst regional air quality in decades for the Northeast. [6]

  6. Oklahoma City ranked as one of the worst cities in the US for ...

    www.aol.com/oklahoma-city-ranked-one-worst...

    The Oklahoma City metro area has been ranked as one of the worst cities in the country for air pollution, reports the American Lung Association.

  7. Merced County is one of the country’s most polluted places to ...

    www.aol.com/merced-county-one-country-most...

    The report ranked Merced County as being the 19th worst for year-round particle pollution nationwide. ... Though air pollution can mostly be perceived outdoors, the association said indoor air can ...

  8. List of least-polluted cities by particulate matter ...

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

    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. Click on the arrows next to the table's headers to have the most polluted cities ranked first. Please note that constraints exist in this type of ...

  9. Air quality – live: New York air ‘worst in the world’ as ...

    www.aol.com/air-quality-live-york-air-083741799.html

    Canadian province of Quebec looks for international support to fight wildfires. All the air quality alerts in place in the US. 10:00, Stuti Mishra. An air quality advisory is in effect for several ...