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  2. Scale reading for fine particulate matter crosses the 1,000 mark in Delhi for the first time this year Delhi becomes world’s most polluted city as AQI levels reach 1,000 Skip to main content

  3. 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 .

  4. Air pollution in Delhi - Wikipedia

    en.wikipedia.org/wiki/Air_pollution_in_Delhi

    The air quality index (AQI) in Delhi generally falls within the Satisfactory (51–100) and Moderate (101–200) ranges between March and September, and then drastically deteriorates to Poor (201–300), Severe (301–400), or Hazardous (401–500+) levels between October and February due to various factors including the burning of effigies ...

  5. Air pollution in India - Wikipedia

    en.wikipedia.org/wiki/Air_pollution_in_India

    Air Quality Index (AQI) is a number used to communicate the level of pollution in the air and it essentially tells you the level of pollution in the air in a given city on a given day. The AQI of Delhi was placed under the "severe-plus category" when it touched 574, by the System of Air Quality and Weather Forecasting And Research. [49]

  6. Is the Air Quality Index enough? What the AQI can - AOL

    www.aol.com/lifestyle/air-quality-index-enough...

    The Air Quality Index is a tool used by the Environmental Protection Agency (EPA) in order to communicate outdoor air quality. It’s a scale of 0 to 500, with the higher number indicating the air ...

  7. Environmental issues in Delhi - Wikipedia

    en.wikipedia.org/wiki/Environmental_issues_in_Delhi

    Environmental problems in Delhi, India, are a threat to the well-being of the city's and area's inhabitants as well as the flora and fauna. Delhi, the ninth-most populated metropolis in the world (second largest if the entire NCR includes especially Faridabad and Gurugram– Haryana, is one of the most heavily polluted cities in India, [1] having for instance one of the country's highest ...

  8. Air quality index - Wikipedia

    en.wikipedia.org/wiki/Air_quality_index

    An air quality index (AQI) is an indicator developed by government agencies [1] to communicate to the public how polluted the air currently is or how polluted it is forecast to become. [ 2 ] [ 3 ] As air pollution levels rise, so does the AQI, along with the associated public health risk.

  9. 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).