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  2. 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. [1]

  3. 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.

  4. Air Quality Is Bad Pretty Much Everywhere, New World ... - AOL

    www.aol.com/air-quality-bad-pretty-much...

    Here are key regional takeaways from IQAir’s 2023 World Air Quality Report. ... The country of Chad, which ranked the No. 1 most polluted in the world in IQAir’s 2022 report, was not included ...

  5. 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 ...

  6. Seven countries met the WHO's air quality guidelines — and ...

    www.aol.com/news/seven-countries-met-whos-air...

    The report is based on information from more than 30,000 air quality monitors in 134 countries and territories, according to IQAir. The company analyzed the average level of pollution throughout ...

  7. Asian countries have the worst air quality in the world ... - AOL

    www.aol.com/asian-countries-worst-air-quality...

    Only 0.001 per cent of the world’s population breathes air considered acceptable, says study. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways ...

  8. Environmental Performance Index - Wikipedia

    en.wikipedia.org/wiki/Environmental_Performance...

    Additional criticisms center on the EPI's lack of specific policy suggestions, and the index's weighting biases against data deficient countries that has led to the overlooking of ecological progress in developing countries. [3] In 2024, India was ranked at 176 in the list and rejected the low ranking.

  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 ...