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According to the Central Pollution Control Board (CPCB) India, in 2015 it conducted a survey of the least polluted cities in India as well, ranked based on air quality. Among the least-polluted cities are Pathanamthitta, Mangalore, Wayanad, Hassan, and Palakkad. The table below shows the ranking of these cities as per the PM10 content in the air.
Below is a list of 526 cities sorted by their annual mean concentration of PM2.5 (μg/m 3) in 2022. [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. Please note that constraints exist in this type of ...
According to the latest World Health Organization (WHO) study on ambient air quality among 123 Indian cities, Pathanamthitta was found to have the cleanest air in India, in terms of least concentration of dust particles in air. [10] Two out of the three least polluted cities in India are from Kerala, Kollam being the second least polluted.
At one point in 2019, Noida was the most polluted city in India, but has improved slightly in the last couple of years. 6. Faisalabad, Pakistan. Annual average PM2.5 concentration (μg/m³): 94.2.
Two Indian cities joined New Delhi to be among the world's worst 10 for pollution on Monday morning, with smoke heavy in the air a day after revellers let loose with firecrackers for Diwali - the ...
Scale reading for fine particulate matter crosses the 1,000 mark in Delhi for the first time this year
Of the 30 most polluted cities in the world, 21 were in India in 2019. [ 2 ] [ 3 ] As per a study based on 2016 data, at least 140 million people in India breathe air that is 10 times or more over the WHO safe limit [ 4 ] and 13 of the world's 20 cities with the highest annual levels of air pollution are in India. [ 5 ]
New Delhi again topped a real-time list of the world's most polluted cities compiled by Swiss group IQAir, which put the Indian capital's AQI at 640 in the "hazardous" category on Friday, followed ...