Who are the 10 most polluted cities?

The top 10 most polluted cities in the world as per the World Air Quality Report 2020 are:

Top 10 Most Polluted Cities in the World 2020
Rank City Country Average Air Quality Index
1 Hotan China 110.2
2 Ghaziabad India 106.6
3 Bulandshahr India 98.4
4 Bisrakh Jalalpur India 96
5 Bhiwadi India 95.5
6 Noida India 94.3
7 Greater Noida India 89.5
8 Kanpur India 89.1
9 Lucknow India 86.2
10 Delhi India 84.1

The table given below mentions the top 10 most polluted countries according to data aggregated from over 80,000 data points based on the findings of the World Air Quality Report 2020:

Top 10 Most Polluted Countries in the World 2020
Rank Country/Region AVQ AQI  Population
1 Bangladesh 162 164,689,383
2 Pakistan 153 220,892,331
3 India 141 1,380,004,385
4 Mongolia 128 3,278,292
5 Afghanistan 128 38,928,341
6 Oman 123 5,106,622
7 Qatar 123 2,881,060
8 Kyrgyzstan 121 6,524,191
9 Indonesia 114 273,523,621
10 Bosnia Herzegovina 113 3,280,815

Further Reading:

Also, refer to The Hindu – Daily News Analysis for UPSC preparation.  

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