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

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

    This list contains the top 500 cities by PM2.5 annual mean concentration measurement as documented by the World Health Organization covering the period from 2010 to 2022. 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.

  3. 25 Most Polluted Cities in the World

    www.aol.com/news/25-most-polluted-cities-world...

    China also enters the list of the most polluted cities in the world, with Kashgar, and has an urban population of around 920,000 people. 18. Gurugram, India.

  4. About 2 in 5 Americans live in areas with unhealthy air. Here ...

    www.aol.com/news/2-5-americans-live-areas...

    Western cities top the list of most polluted. Globally, more than 6.5 million people die each year due to air pollution. Exposure to polluted air can inflame cells and increase the risk of chronic ...

  5. Air pollution in the United States - Wikipedia

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

    In 2024, the Los Angeles-Long Beach-Riverside area ranked the 1st most ozone-polluted city, the 6th most polluted city by annual particle pollution, and the 11th most polluted city by 24-hour particle pollution. [3] Both ozone and particle pollution are dangerous to human health.

  6. These 6 California metro areas are among most polluted in U.S ...

    www.aol.com/6-california-metro-areas-among...

    The Sacramento-Roseville metro ranked No. 7 on the list of the most polluted cities with 29 high ozone days on average per year. Out of the 10 cities in the country with the worst pollution, ...

  7. The world’s 100 worst polluted cities are in Asia — and 83 of ...

    www.aol.com/world-worst-polluted-cities-asia...

    Begusarai, a city of half a million people in northern India’s Bihar state, was the world’s most polluted city last year with an average annual PM2.5 concentration of 118.9 — 23 times the ...

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

    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. Fresno is among top 10 most polluted cities in U.S., American ...

    www.aol.com/fresno-among-top-10-most-120000248.html

    The Central Valley is one of the top 10 most polluted cities in the United States, according to the American Lung Association’s 2024 State of the Air report. Each year, the association issues ...