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  2. Air pollution in Karachi - Wikipedia

    en.wikipedia.org/wiki/Air_pollution_in_Karachi

    Fine particulate matter (PM2.5) plays a major role in air pollution in Karachi. The concentration of PM2.5 in the city has been recorded as 11.8 times higher than WHO's annual air quality guideline value. [2] The 24-hour average PM2.5 in Korangi was 101 ± 45.6 μg/m 3 and 76.5 ± 38.4 μg/m 3 in Tibet Center. These levels are significantly ...

  3. 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.

  4. List of least-polluted cities by particulate matter concentration

    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] ... Pakistan: Karachi: 41.01 496

  5. Environment of Karachi - Wikipedia

    en.wikipedia.org/wiki/Environment_of_Karachi

    In November 2013, Pakistan and China confirmed that CAP1400 Nuclear reactor, based on AP1000 Westinghouse Electric Company Pressurized water reactor, will be built at Karachi. [12] Questions are also raised about the design model of the proposed Karachi power plants.

  6. List of countries by air pollution - Wikipedia

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

    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 premature deaths in 2019), according to The Lancet. Air pollution can affect nearly every organ and system of the body, negatively affecting nature and humans alike.

  7. 2024 India–Pakistan smog - Wikipedia

    en.wikipedia.org/wiki/2024_India–Pakistan_smog

    Air quality index of 2,553 and PM2.5 concentration of 947 μg per cubic metre reached in Multan on 8 November. The 2024 India–Pakistan smog is a severe record-breaking air pollution event that affected Eastern and Northern Pakistan and North India in November 2024, primarily in the Pakistani city of Lahore and Indian city of Delhi .

  8. Timeline of Karachi - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_Karachi

    The following is a timeline of the history of the city of Karachi, Pakistan ... Air pollution in Karachi reaches annual mean of 88 PM2.5 and 290 PM10, much higher ...

  9. Air quality index - Wikipedia

    en.wikipedia.org/wiki/Air_quality_index

    The highest AQI in India was recorded in New Delhi on 18th November 2024 with it being 1,081 and the concentration of PM2.5 - particulate matter measuring 2.5 microns or less in diameter that can be carried into lungs, causing deadly diseases and cardiac issues.