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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...

    The World Health Organization's recommended limit is 5 micrograms per cubic meter, although there are also various national guideline values, which are often much higher. Air pollution is among the biggest health problems of modern industrial society and is responsible for more than 10 percent of all deaths worldwide (nearly 4.5 million ...

  4. 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 ...

  5. The world’s 100 worst polluted cities are in Asia — and 83 of ...

    www.aol.com/world-worst-polluted-cities-asia...

    All but one of the 100 cities with the world’s worst air pollution last year were in Asia, ... Only 9% of more than 7,800 cities analyzed globally recorded air quality that met WHO’s standard ...

  6. The 10 Cities With the World's Worst Air - AOL

    www.aol.com/news/2010-11-29-10-cities-with-world...

    The poor air quality is sickening the city's residents. Studies have found that 4.63% of children under 14 suffer from asthma, although prevalence in girls may be underreported due to cultural bias.

  7. Delhi becomes world’s most polluted city as AQI levels reach ...

    www.aol.com/news/delhi-becomes-world-most...

    The AQI readings below 100 are considered to be satisfactory for breathing, under 200 are marked “poor”, while the 400-500 range mark pollution levels as "severe" in an area. AQI 1696.

  8. Air pollution in Lahore - Wikipedia

    en.wikipedia.org/wiki/Air_pollution_in_Lahore

    5 special squads have been formed to fight smog, Metropolitan Corporation Lahore, Water and Sanitation Agency (Wasa), police, district administration and Lahore Electric Supply Company (Lesco) [11] [12] Lahore jumped more than 10 places to become the city with the worst air in the world in 2021, according to an annual global survey by a Swiss ...

  9. Detroit and DC suffer worst air quality in world while at ...

    www.aol.com/air-quality-latest-biden-urged...

    People living in the Midwest and Northeast were warned of a worsening air quality index throughout the week due to smoke from the Canadian wildfires