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  2. The states with the dirtiest air will surprise you - AOL

    www.aol.com/news/states-dirtiest-air-surprise...

    The Golden State has the worst air quality of any state in the US, according to a new report from the United Health Foundation. The report measured air quality by the average person's exposure ...

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

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

    Fresno has some of the worst air quality in the United States, according to the American Lung Association. The Central Valley is one of the top 10 most polluted cities in the United States ...

  5. As wildfire smoke chokes LA, see how many-bad air days your ...

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    But earlier in 2024, multiple states issued air quality warnings as smoke from “out of control” wildfires in Canada blew across the border for the second year in a row. The smoke makes people ...

  6. The Dirtiest (and Cleanest) Big Cities in America - AOL

    www.aol.com/dirtiest-cleanest-big-cities-america...

    Air pollution has been a consistent and ongoing nuisance in Phoenix — along with five other cities in Arizona, it’s tied for the worst air quality in the nation. According to research group ...

  7. 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 ...

  8. Detroit left with some of worst air quality in US due to ...

    www.aol.com/detroit-left-worst-air-quality...

    DETROIT (AP) — The Detroit area woke up Wednesday to some of the worst air quality in the United States as smoke from Canada’s wildfires settled over most of the Great Lakes region and ...

  9. 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. Delaware - 47. Utah - 47.6. Missouri - 48.1. WA counties ranked by air quality.