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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. 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]

  4. 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 ...

  5. 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. Asia is the world’s most polluted region. All but one of the 100 cities with the most polluted air in the world are ...

  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. 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 ...

  8. City quality of life indices - Wikipedia

    en.wikipedia.org/wiki/City_quality_of_life_indices

    City Quality of Life Indices are lists of cities that are ranked according to a defined measure of living conditions.In addition to considering the provision of clean water, clean air, adequate food and shelter, many indexes also measure more subjective elements including a city's capacity to generate a sense of community and offer hospitable settings for all, especially young people, to ...

  9. The US cities with the best quality of life, ranked - AOL

    www.aol.com/us-cities-best-quality-life...

    US News & World Report released a list of the cities with the best quality of life for 2024 to 2025. Cities with places for outdoor activities, such as beaches and mountains, ranked higher. Ann ...