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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. 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.

  4. 2018 Boracay closure and redevelopment - Wikipedia

    en.wikipedia.org/wiki/2018_Boracay_closure_and...

    Algal bloom in Boracay on April 25, 2018, a day prior to the resort island's closure. Boracay is a popular tourist island and the infrastructure needed to accommodate tourism was put in place at a fast pace. [1] This caused environmental problems. [1] Condé Nast Traveler magazine called Boracay "the poster child for overtourism". [1]

  5. Air quality index - Wikipedia

    en.wikipedia.org/wiki/Air_quality_index

    The most commonly used air quality index in the UK is the Daily Air Quality Index recommended by the Committee on the Medical Effects of Air Pollutants (COMEAP). [39] This index has ten points, which are further grouped into four bands: low, moderate, high and very high. Each of the bands comes with advice for at-risk groups and the general ...

  6. 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 ...

  7. Gas, food and alcohol prices would also rise if Trump imposed Canadian and Mexican tariffs.. Sneaker prices would rise if Trump raised tariffs on China: About 99% of shoes sold in the United ...

  8. Category:Air quality index - Wikipedia

    en.wikipedia.org/wiki/Category:Air_quality_index

    This page was last edited on 17 January 2022, at 13:19 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  9. Air Quality Health Index - Wikipedia

    en.wikipedia.org/wiki/Air_Quality_Health_Index

    This page was last edited on 7 September 2019, at 15:05 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.