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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.
Pixabay/Public Domain. Air pollution is one of the worst forms of pollution and is the leading environmental risk to health. According to a report by the World Bank, air pollution results in costs ...
Begusarai, a city of half a million people in northern India’s Bihar state, was the world’s most polluted city last year with an average annual PM2.5 concentration of 118.9 — 23 times the ...
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 ...
New Delhi ranked as the world’s most polluted city on Wednesday morning as residents in the Indian capital woke up to a thick blanket of haze, marking a severe air emergency.. The pollution led ...
Because the fuel produced in Iran has a lower quality than most international fuels. [7] The World Health Organization (WHO) had in 2018 put Tehran in the category of ‘most polluted cities in the world,’ while the World Bank in its 2018 report said this city accounts for 4,000 of the 12,000 deaths due to air pollution in Iran annually. [8]
And in some places, we've polluted so horribly that we've knocked decades off our own disease-ridden life expectancies. Environmental groups Green Cross Switzerland and Blacksmith Institute have ...
In May 2014 the World Health Organization announced New Delhi as the most polluted city in the world. [50] In November 2016, the Great smog of Delhi was an environmental event which saw New Delhi and adjoining areas in a dense blanket of smog, which was the worst in 17 years. 2018 Air Pollution in New Delhi (PM2.5 AQI).
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