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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.
After India, Pakistan has the most number of cities among the most polluted cities in the world, and we start off with Sahiwal, located in the province of Punjab. There are close to 400,000 people ...
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 World Health Organization's recommended limit is 10 micrograms per cubic meter, although there are also various national guideline values, which are often much higher. 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 ...
Jakarta routinely tops listings of the world's most polluted cities, most recently in a ranking by IQAir, which is based Jakarta is the world's most polluted city. Blame the dry season and ...
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).
In an apparent wake-up call to Asia, the world’s 100 most polluted cities in 2020 all happened to be in the continent, according to the latest annual report by air quality tracker IQAir. Key ...
Scale reading for fine particulate matter crosses the 1,000 mark in Delhi for the first time this year