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 Netherlands
Rotterdam Zuid, Netherlands
12.5 17.2 13.8 12.4 14.6 11.1 10.1 8.2 13 12.1 9 16.4 13 12.5 - -
2 Netherlands
Oud-Beijerland, Netherlands
11.8 17.3 7.3 7.9 16.6 10.2 11.7 6.4 12.1 10.9 7.7 16.7 15.4 12.8 - -
3 Netherlands
Capelle aan den IJssel, Netherlands
11.3 - - 13.1 14.4 8.9 8.3 5.3 11.6 10.1 7.9 18 15.9 - - -
4 Netherlands
Maassluis, Netherlands
11.2 14.5 11.3 11 12.7 10.7 8.6 7.3 12.2 10.9 7.2 15.2 11.8 11.8 14 11.4
5 Netherlands
Schiedam, Netherlands
10.6 15.7 12.4 10.2 12 9.5 8.9 6.7 11.4 10 7.2 13.6 11.1 11.1 12.3 12.5
6 Netherlands
Rotterdam Noord, Netherlands
10.2 14.8 8.1 9.9 12.1 9 7.8 6.4 11.3 12.4 7.3 14 10.4 11.3 - -
7 Netherlands
Hoek v. Holland, Netherlands
10.1 14.3 11.5 10.8 13.6 11.1 7.2 5.1 9.5 8.7 6 12.9 9.3 10.5 10.7 11.4
8 Netherlands
Ridderkerk, Netherlands
10 14.6 11.6 9.8 12.7 9.5 7.9 5.4 9.4 9.4 6.1 13.1 10.3 11 12.7 13
9 Netherlands
Rotterdam, Netherlands
9.5 15.9 7.4 9.3 10.9 7.9 7.2 5.2 9.4 9.3 6.5 13.8 11.1 11.2 12.1 11.2
10 Netherlands
Den Haag, Netherlands
8.5 13.3 7.5 7.8 9.5 7.5 5.5 4.4 8.3 9.8 5.4 11.6 8.9 9.9 10.1 9.8
11 Netherlands
De Zilk, Netherlands
7.7 11.4 7.4 7.7 7.7 6.8 6.4 4.7 9.7 8.3 4.4 9.6 7.5 9.7 10.2 9.5

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