World's most polluted cities 2020 (PM2.5)

The most polluted cities according to data aggregated from over 80,000 data points.

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2020

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World air quality report

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2020 World air quality report

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PM2.5 Legend grey informational icon
WHO target
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
Unit: µg/m³
Rank City 2020 AVG JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2019 AVG 2018 AVG 2017 AVG
1 Sweden
Malmö, Sweden
9.8 8.2 7.8 11.5 9.3 6.7 7.2 5.5 8.2 11 12.9 11.3 16.9 10.2 12.3 9.9
2 Sweden
Onsala, Sweden
8.6 12.5 10.4 8.6 8.1 6.1 7.6 5.2 6.3 9.5 7.3 8.2 14.8 8.5 - -
3 Sweden
Enkoeping, Sweden
8 6.1 4.3 9.1 5.7 4.3 8.2 4.8 7.2 8.9 9.4 9.3 13.3 8.8 - -
4 Sweden
Saro, Sweden
7.9 7.9 5.7 9.8 6.1 5.2 8 3.4 7.7 8.6 6.9 7.2 15.8 9.5 - -
5 Sweden
Sodertalje, Sweden
7.6 6.2 14.1 13.1 9.3 9.1 6 4.4 4.8 5.9 6.7 5 9 - - -
6 Sweden
Lilla Essingen, Sweden
7.1 6.2 4.1 8.4 5.2 4 7.1 3.9 5.9 8.2 9 8.3 11.6 8.1 - -
7 Sweden
Solna, Sweden
6.8 6 4.1 8.6 5.2 3.9 4.7 3.7 6.2 8.6 9 7.3 12 6.3 - -
8 Sweden
Klaverod, Sweden
6.3 6.9 5.5 7.5 5.2 4.5 5.3 3.5 5.3 6.7 5.9 7.6 19.6 7.4 - -
9 Sweden
Goeteborg, Sweden
6 6.1 5.1 6.7 5.5 4.6 6.9 3.9 6.6 6.4 6.5 5.6 8 - - -
10 Sweden
Hedemora, Sweden
5.6 4.5 7.1 7.9 5.1 3.3 7 3.3 5.7 4.8 6.8 4.7 6.4 - - -
11 Sweden
Kungsholmen, Sweden
5.6 5.2 5.3 6.4 4.2 3.6 5.4 3.2 4.6 6.8 7.5 6.3 8.4 6 - -
12 Sweden
Sundsvall, Sweden
5.4 5.6 8.6 6.1 4.9 4 8.4 3.5 4.8 4 4.1 5.3 5.5 6.4 6.3 5.4
13 Sweden
Sollentuna, Sweden
5.1 4.8 5.2 6.2 3.9 3 5.2 3.2 4.4 5.4 6.7 5.6 10.1 5.6 - -
14 Sweden
Stockholm, Sweden
5.1 4.6 4.6 5.9 4 3.4 5.3 3.2 4.4 6 6.7 5.6 7.9 6.1 6.6 4.4
15 Sweden
Uppsala, Sweden
4.4 4.4 3.8 5.1 3.3 3 5.1 2.9 4 4.6 5.3 4.8 9.5 5.5 6.7 4.6
16 Sweden
Norr Malma, Sweden
4.3 4 2.7 4.5 2.9 2.9 4.7 2.7 3.8 5.5 6.7 4.6 7.7 4.9 5 -
17 Sweden
Umeå, Sweden
4.3 3.2 5.2 4.1 4.6 3.6 5.3 3.6 3.4 3.8 5.2 4.2 5.2 5.1 4.9 3.5

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