World's most polluted cities 2019 (PM2.5)

The most polluted cities according to data aggregated from over 60,000 data points.

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2019

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2019 World air quality report

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PM2.5 Legend
WHO target
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
Unit: µg/m³
Rank City 2019 AVG JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2018 AVG 2017 AVG
1 Czech Republic
Dolni Lutyne, Czech Republic
27.7 49.8 41.2 29 29.7 15 16.7 19.3 11.5 13.4 28.4 33.5 43.9 35.8 32.3
2 Czech Republic
Karvina, Czech Republic
22.1 46 29.5 20.8 28.4 13.4 14.6 12 12.4 11.8 24.1 29 24.3 27.1 24.6
3 Czech Republic
Ostrava, Czech Republic
20.9 39.6 33.1 20.4 26.9 13.4 14.9 10.9 12.2 12 22.9 26.5 19.3 30.1 27.8
4 Czech Republic
Havirov, Czech Republic
20.3 35.7 30.5 18.6 23.5 12.2 15.6 13.3 13.6 11.4 21.6 23.6 24.8 28.8 26.7
5 Czech Republic
Tesin, Czech Republic
20 42.8 25.2 18.7 24.7 12.6 15.5 12.9 14 12.8 19.2 22.9 19.2 29.6 27.2
6 Czech Republic
Frydlant, Czech Republic
19.1 - 40.5 21.3 25.7 17.7 15.6 14.3 13.5 11.5 18.2 30.1 22.5 - -
7 Czech Republic
Moravska Trebova, Czech Republic
18.9 30.4 39.4 17.4 21.6 11.3 13.9 12.4 11.3 10.4 20 17.5 22.5 23 18.9
8 Czech Republic
Trinec, Czech Republic
18.2 38.8 26.2 18.3 23 11 13 12.4 10.6 11.4 19.5 16.1 14.8 26.5 26.7
9 Czech Republic
Studenka, Czech Republic
18 31.7 31.5 18.2 21.4 10.4 14.2 10.9 11.5 10.1 18.7 20.4 17.5 25.4 24.3
10 Czech Republic
Prerov, Czech Republic
17.9 29.4 37.1 17.8 19 9.9 13.2 11 11.7 10.1 19.1 15.6 22.9 22.9 24.4
11 Czech Republic
Decin, Czech Republic
17.8 23.8 36.4 16.5 19.9 12.1 12.2 11.3 12.5 11.9 19.8 18.7 19.8 23.1 23
12 Czech Republic
Frydek-Mistek, Czech Republic
17.6 32.8 26 15.5 23.5 10.8 14.2 12.3 13.4 11.3 18.8 16.7 17.4 26.9 25
13 Czech Republic
Belotin, Czech Republic
17.6 28.7 33.9 17.3 18.6 8.4 12.3 11.1 11.4 10.7 20.6 14.9 13.5 23.7 23.4
14 Czech Republic
Valasske Mezirici, Czech Republic
17.2 32.8 30.5 18.7 22.7 9.7 12.9 10.4 11.5 9.8 17.3 15.6 15.7 24.8 24.9
15 Czech Republic
Rychvald, Czech Republic
17.1 - - - 26.7 12.9 15.7 12.6 11.8 12.9 23.3 23.6 23.5 - -
16 Czech Republic
Opava, Czech Republic
16.9 28.9 25.6 16.7 21.5 10.1 13 10.5 11.3 10 17.9 21.9 15.8 24.5 22.7
17 Czech Republic
Zlin, Czech Republic
16.5 31.8 32.2 16 21.5 10.3 13.3 10.3 10.9 8.8 18 13.7 14.9 21.7 21.3
18 Czech Republic
Steti, Czech Republic
16.3 - - - 26.2 15.6 14.9 12 11.1 9.4 20.9 21.2 16.2 - -
19 Czech Republic
Olomouc, Czech Republic
16.1 22.1 32 14 16.8 9.8 11.3 9.8 10.8 10.2 19.4 16.7 22.8 19 20.4
20 Czech Republic
Klasterec nad Ohri, Czech Republic
16 39.3 24.3 13.2 21.2 12.2 9.5 8.6 8.3 7.2 18.4 28.4 20.3 - -
21 Czech Republic
Brno, Czech Republic
15.7 24.7 28.4 14.5 17.9 9.6 12.7 10.1 10.1 8.3 18.8 15.5 18.3 20.4 18.8
22 Czech Republic
Beroun, Czech Republic
15.6 18.6 26.3 11.8 19.5 10.9 11.8 11.5 11.5 9.6 19.1 18.7 20.3 22.5 18.8
23 Czech Republic
Mlada Boleslav, Czech Republic
15.6 17.9 31.4 14 19.1 10.8 12 12 11.9 9.3 16.6 16.7 16.8 19.1 15.9
24 Czech Republic
Marianske Radcice, Czech Republic
15.5 15.8 26.4 11.5 21.7 11.9 16.8 12.4 13.4 9.5 14.2 16.3 17.1 20.5 18.7
25 Czech Republic
Most, Czech Republic
15.1 16.8 25.6 11.7 19.9 11.5 14.1 12 13 9.5 14.6 16.4 16.3 21.7 18.3
26 Czech Republic
Hradec Kralove, Czech Republic
14.8 19.6 27.8 13.5 18 10.7 11.9 10.3 10.5 9.3 15.4 15.8 15.8 19.7 19
27 Czech Republic
Hodonin, Czech Republic
14.8 19.6 25.7 14.1 18.5 9.8 12.7 10 10 7.7 19.2 16.2 16.9 16.6 17.8
28 Czech Republic
Jicin, Czech Republic
14.7 - 28.6 15.6 19.6 30.1 11.8 9.9 10.2 9.2 14.6 20.8 - 15.9 17.6
29 Czech Republic
Pardubice, Czech Republic
14.7 17.6 27.2 13.1 18.6 10.1 12.3 11.4 10.6 9.1 17.6 13.7 15.8 19.4 18.3
30 Czech Republic
Dolni Studenky, Czech Republic
14.3 - 30.7 14.3 17.7 16.9 10.4 9.3 8.8 8 16.7 25.4 - 16.8 19.6
31 Czech Republic
Kromeriz, Czech Republic
14.3 24.2 27.8 13.1 18.3 8.3 11.5 9.9 10.6 8.2 15.5 11.7 13.4 20.8 18.5
32 Czech Republic
Hostivice, Czech Republic
14.2 - - - 18.1 11.8 13.5 12.9 12.7 11.1 16.9 17.1 15.2 - -
33 Czech Republic
Znojmo, Czech Republic
14.2 21.8 24.7 12.3 16.7 8 11.3 9.8 9.4 8.4 15.7 14.2 19.1 19.7 17.4
34 Czech Republic
Teplice, Czech Republic
14.2 18.2 28.2 11.9 16.3 9.6 11.6 9.8 11.2 8.4 14.6 16 16.1 19.1 18.8
35 Czech Republic
Usti nad Labem, Czech Republic
14.1 16.4 27.8 11 16 9.2 10.6 9.3 10.6 8.1 16.4 17.9 17 18.3 17
36 Czech Republic
Rudna, Czech Republic
13.5 - - - 21.6 12.5 11.3 9.1 9.8 8.5 18 21.4 14.3 - -
37 Czech Republic
Pilsen, Czech Republic
13.5 - - - 19.5 12.1 11.9 10 11.4 8.7 16.6 19.5 20.8 16.9 17
38 Czech Republic
Kralupy nad Vltavou, Czech Republic
13.4 - - - 20.6 11.1 10.9 9.5 9.6 8.1 18.8 20.8 13.5 - -
39 Czech Republic
Sivice, Czech Republic
13.3 17.9 22 12.2 15.5 7.4 10 8.9 - 3.5 25 8.8 18 15.8 16.2
40 Czech Republic
Jihlava, Czech Republic
13.3 16.1 21.1 11.9 18.8 9.6 12.6 10.7 10.4 8.7 13.7 12.1 15.4 16.9 14.2
41 Czech Republic
Rozdalovice, Czech Republic
13 18.5 25.5 - 10 10.1 11.3 10.9 10.4 8 13 17.1 17.5 19.2 18.6
42 Czech Republic
Dobra, Czech Republic
12.8 - - - 22.3 11.1 11.2 8.6 9.6 7.9 17.5 16.1 17.4 - -
43 Czech Republic
Kadan, Czech Republic
12.8 14.1 19.1 8.7 20 10.3 13.5 11.3 10.8 7.8 13.6 13.2 11.7 18.8 14.8
44 Czech Republic
Budejovice, Czech Republic
12.7 13.4 22.7 10.3 18.1 9.5 12.1 11.1 10.2 7.8 10.9 12.2 14.5 16.9 17.1
45 Czech Republic
Plzen, Czech Republic
12.6 15 24 10.8 16.5 9.5 10.4 8.7 9.2 6.9 12.8 14.4 14.6 - -
46 Czech Republic
Sedlec, Czech Republic
12.6 18.2 22.8 12.1 15.2 7.4 11.5 9.4 9.6 8 13.5 11 12.4 18.6 16.2
47 Czech Republic
Liberec, Czech Republic
12.5 15 19.7 11.8 17.6 11.2 10.5 9.7 10.1 7.6 12.3 13 11.7 18.4 15.8
48 Czech Republic
Kladno, Czech Republic
12.2 15.6 21.4 9.3 16.9 9 9.9 9.5 9.8 7.2 12.7 13.3 13.9 19 18
49 Czech Republic
Kutna Hora, Czech Republic
12 - - - 17.7 9.7 11.8 11.1 10.2 8.1 13.6 14.2 17.5 - -
50 Czech Republic
Menany, Czech Republic
12 12.6 13.8 9.3 15.8 9.8 12.7 12.1 12.6 9.5 11.6 11.2 - 19.9 16

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