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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. Air pollution in the United States - Wikipedia

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

    Air pollution in Los Angeles has caused widespread concerns. In 2012, the Public Policy Institute of California (PPIC) Survey on Californians and the Environment showed that 45% of citizens in Los Angeles consider air pollution to be a "big problem", and 47% believe that the air quality of Los Angeles is worse than it was 10 years ago. [96]

  4. List of countries by air pollution - Wikipedia

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

    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 caused an additional two million premature deaths in 2019.

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

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

    The American Lung Association’s State of the Air report for 2024 ranked U.S. cities and graded counties based on ozone and particle pollution during 2020, 2021 and 2022, according to its website.

  6. 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.

  7. WA air quality ranked among best in the U.S. Which counties ...

    www.aol.com/wa-air-quality-ranked-among...

    The five states with the worst air quality, according to the study, are: Oklahoma - 45.9. Illinois - 46. ... The best high-yield dividend ETF to invest $2,000 in right now. Food. Food.

  8. Sacramento got an F in air quality on American Lung ... - AOL

    www.aol.com/sacramento-got-f-air-quality...

    Sacramento has some of the worst air quality in the United States, according to the American Lung Association. Sacramento is among the top 10 most polluted cities in the nation in terms of ozone ...

  9. 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 risen to one of the worst cities in the country for air pollution, reports the American Lung Association. The 2024 State of the Air report ranked Oklahoma City as ...