Recent research by Eco Experts on global levels of pollution for air, light and noise, ranks the most and least toxic cities in the world. Cairo tops the worst ten list according to their unique criteria, followed by Delhi, Beijing, Moscow, Istanbul, Guangzhou, Shanghai, Buenos Aires, and Paris.
Is Shanghai the most polluted city?
Beijing (33μg/m3) came in as the 11th most polluted city in China for 2020, just missing our rankings. Although Shanghai was not ranked in the top half of the list, it still averaged air pollution (28μg/m3) levels nearly 3 times the recommended limit.
Which is the most polluted city in the world in 2020?
Nine out of the top 10 most polluted cities are in India. Hotan, in western China’s Xinjiang, had the worst average air quality in 2020, with 110.2.
Which city has the highest pollution in the world?
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 2008 to 2017.
List of most-polluted cities by particulate matter concentration.
Where are the 3 most polluted cities in the world?
Rankings: 25 Most Polluted Cities in the World in 2021
- Lahore, Pakistan (106 µg/m3)
- Ghaziabad, India (90 µg/m3)
- Delhi, India (87 µg/m3)
- Aguascalientes, Mexico (86 µg/m3)
- New Delhi, India (79 µg/m3)
- Lucknow, India (66 µg/m3)
- Muzaffarnagar, India (60 µg/m3)
- Dhaka, Bangladesh (55 µg/m3)
Is Shanghai or Beijing more polluted?
Yes, Beijing is more polluted than Shanghai.
Pollution can be measured by the Air Quality Index, which runs from 0 to 500.
How is Shanghai polluted?
It is generally considered that the air pollution in Shanghai is not as high as in other Chinese cities, but is substantially polluted when compared to world standards. A record level of smog enveloped the city in December 2013 and became known as the “2013 Eastern China Smog”.
What is the most polluted city in the world 2021?
With regard to the mentioned criteria, the following cities are the ten world’s most polluted cities in 2021.
- Kathmandu, Nepal | World’s most polluted cities. …
- Tetovo, North Macedonia. …
- Faridabad, India. …
- Kabul, Afghanistan. …
- Accra, Ghana | World’s most polluted cities. …
- Ulaanbaatar, Mongolia. …
- Beirut, Lebanon. …
- Ghaziabad, India.
Which city is the cleanest?
Top 16 Cleanest Cities in the World
- Copenhagen, Denmark.
- Singapore City, Singapore.
- Helsinki, Finland.
- Brisbane, Australia.
- Hamburg, Germany.
- Stockholm, Sweden.
- Sapporo, Japan.
- Calgary, Canada.
Which is the cleanest city in the world?
1. Helsinki in Finland. Helsinki is the cleanest city in the world, according to the World Health Organisation. Helsinki has a population density of 2,739.36 people per square kilometre – by far the highest nationally.
What is the least polluted city in the world?
Least polluted: Helsinki, Finland
The IQ Air report lists the capital of Finland as one of the least polluted capital cities in the world.
What city has the best air quality?
World major city air quality ranking
|2||Skopje, North Macedonia||197|
Where is the best air quality in the world?
Here are the top five major cities with the cleanest air in the world:
- Honolulu, Hawaii.
- Halifax, Canada.
- Anchorage, Alaska.
- Auckland, New Zealand.
- Brisbane, Australia.