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  2. Delhi smog visible from space as air quality ranked ‘severe ...

    www.aol.com/delhi-smog-visible-space-air...

    The prominent air activist said that Thursday marked Delhi’s 15th straight day of “very poor” air quality and “the last two days have been “severe” because the wind direction is no ...

  3. Air pollution in Delhi - Wikipedia

    en.wikipedia.org/wiki/Air_pollution_in_Delhi

    Although pollution is at its worst from November to February, Delhi's air misses clean-air standards by a wide margin for much of the year. On the worst days, the air quality index, a benchmark ranging from zero (good) to 500 (hazardous), exceeds 400. [37] Thermal power plants in NCR. [11]

  4. List of countries by air pollution - Wikipedia

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

    The following list of countries by air pollution sorts the countries of the world according to their average measured concentration of particulate matter in micrograms per cubic meter (μg/m 3). The World Health Organization's recommended limit is 10 micrograms per cubic meter, although there are also various national guideline values, which ...

  5. File:AQI 2015 data PM2.5 and PM10 air pollution and Diwali ...

    en.wikipedia.org/wiki/File:AQI_2015_data_PM2.5...

    The data suggest that the air quality was unhealthy many weeks before and after the festival. Other causes of poor air quality in Delhi include the seasonable burning of crop stocks in neighboring regions such as Punjab, Haryana and Uttar Pradesh, as well as the inefficient combustion of cow dung cakes and waste as cooking fuel.

  6. Delhi air pollution sparks emergency measures as smog shrouds ...

    www.aol.com/delhi-air-pollution-sparks-emergency...

    The air quality rating in the densely packed city of roughly 33 million people first spiked on Wednesday to the highest "severe" category, under the World Health Organization's Air Quality Index ...

  7. New Delhi’s air pollution leaves residents gasping for breath

    www.aol.com/news/delhi-air-pollution-leaves...

    Air quality is generally poor in New Delhi, the world’s most polluted capital, but it is often made worse by celebrations of the Hindu festival Diwali. New Delhi’s air pollution leaves ...

  8. 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 ...

  9. Delhi’s air quality worsens as people defy ban on Diwali ...

    www.aol.com/delhi-air-quality-worsens-people...

    As the night progressed, the air quality across the city and the broader National Capital Region worsened. By Friday morning Delhi’s overall AQI had hit 359, making it the most polluted city in ...