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  2. 30 Cities With Best Air Quality in the U.S. - AOL

    www.aol.com/news/30-cities-best-air-quality...

    In this article we take a look at the 30 cities with the best air quality in the U.S. Click to skip ahead and jump to the 10 Cities With Best Air Quality in the U.S. Great quality of life depends ...

  3. 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 ...

  4. The Best (and Worst) US Cities for Getting Outside: Where ...

    www.aol.com/best-worst-us-cities-getting...

    The Best Cities for Getting Outside: Trends and Insights ... We looked at the annual concentration of PM 2.5 in each city to gauge general air quality throughout the year. Lowest Annual PM 2.5 ...

  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. A ranking of the best cities to live in

    www.aol.com/best-us-cities-live-ranked-214341296...

    U.S. News and World Report has released its annual list of the best U.S. cities to live in for 2024 based on cost of living, air quality, weather trends and more.

  7. Harvard Six Cities study - Wikipedia

    en.wikipedia.org/wiki/Harvard_Six_Cities_study

    The Six Cities study was born in the wake of the 1970s energy crisis amid growing concerns that a squeeze on oil supply would lead to greater use of low-quality coal and, therefore, higher mortality from air pollution. [8]

  8. 25 Regions With the Best Air Quality: Metros Where You ... - AOL

    www.aol.com/news/2012-11-13-25-cities-with-best...

    The average person takes thousands of breaths a day but probably doesn't think about the quality of the air he or she is breathing. Residents of New York City, you should be particularly concerned ...

  9. List of countries by air pollution - Wikipedia

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

    Air pollution can affect nearly every organ and system of the body, negatively affecting nature and humans alike. 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 ...