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 Norway
Sarpsborg, Norway
10.1 18.1 14.2 8.1 13.6 5.7 8.2 6.3 8.2 5.3 8.4 8.8 14.3 9.7 8.4
2 Norway
Baerum, Norway
9.1 18.5 13.6 7.8 13.3 5.5 6.5 5.3 6.7 4 7.4 8.6 13 9.7 9
3 Norway
Kjenn, Norway
9 16.5 13.1 7.4 14.3 5.7 7.1 5.7 7.3 4.1 7.3 7.6 12 - -
4 Norway
Moss, Norway
8.9 13.2 11.8 6.2 14.7 7.4 8.1 7.9 7.9 4.3 6.1 7.7 12 8.5 7.7
5 Norway
Brumunddal, Norway
8.7 - - - 18.8 6.7 6.8 5.2 7 4.4 8.3 10.6 14 - -
6 Norway
Hamar, Norway
8.5 15 12.4 8.2 12.1 5.5 5.7 5.4 5.9 4.7 6.3 8.4 10.8 8.8 11.8
7 Norway
Fredrikstad, Norway
8.4 18 12.1 6.3 11 5 6.2 5.3 6.5 4.3 7 7.6 12 8.8 9
8 Norway
Ski, Norway
8.3 - 12.2 5.6 12.9 6.8 6.9 7.3 6.3 4.4 6.9 9 11.8 - -
9 Norway
Skoppum, Norway
8.2 - 13.7 6 14.6 7.3 7.3 7.9 6.9 3.3 5 6.9 9.1 - -
10 Norway
Randaberg, Norway
8 - 16.8 5.1 16.2 7.4 8.1 8.3 6.2 4.2 3.7 6.8 5.2 - -
11 Norway
Sjolyststranda, Norway
7.9 13 10.1 6.1 10.1 6.3 6.7 6.7 6.4 4.9 6.8 6.7 10.2 - -
12 Norway
Stavanger, Norway
7.8 9.6 13.3 7.3 13.6 5.7 7.1 6.6 6.5 4.3 5.2 7.9 6.8 8 6.8
13 Norway
Porsgrunn, Norway
7.6 12.7 9.5 6.2 10.8 5.7 6.9 6.6 6.9 4.5 6.2 5.6 9.6 7.5 7.4
14 Norway
Mo i Rana, Norway
7.5 10 8.8 7.7 10.6 5.1 5.6 6.7 6.1 4.6 - - - - -
15 Norway
Oslo, Norway
7.5 11.9 9 6 10.6 6 6.6 5.8 6.6 5 6.3 6.3 9.5 8.2 7.4
16 Norway
Elverum, Norway
7.4 14 9.5 6.9 12.6 4.4 4.3 4.5 4.8 3.2 7.3 6.7 9.2 7.6 6.7
17 Norway
Brevik, Norway
7.2 12.2 11.7 5.4 11 5.4 5.9 5.9 6.6 3.3 5.1 4.8 7.9 7.4 6.1
18 Norway
Gjovik, Norway
6.8 9.7 8.5 5.4 11.4 4.9 7 5.1 5.3 4.2 5.3 6.4 8.1 8.4 6.8
19 Norway
Lillestrom, Norway
6.6 11 9 4.5 7 4.7 5.7 6.4 7 4.7 4.9 5.3 7.5 7.5 6.7
20 Norway
Harstad, Norway
6.4 - - - 15.5 4.4 4.5 4.7 5.6 4 8 8.2 5.7 - -
21 Norway
Sandsli, Norway
6.3 7.3 9.4 5.4 12 4.6 5.5 5 5.6 4.3 3.7 7 5.1 - -
22 Norway
Lillehammer, Norway
6.2 8.2 7.1 4.7 8.8 4.6 5 5.1 5.8 4.6 5.2 7.3 8.7 6.7 6.6
23 Norway
Tonsberg, Norway
6.2 - - - 15.3 5.2 6.1 5.7 6.4 3.5 4.7 5.6 6.9 - -
24 Norway
Tromso, Norway
6.1 7.3 6.4 5.5 8 5.1 5.2 4.9 6.2 5.1 6.2 7.2 5.8 6.2 6
25 Norway
Bergen, Norway
5.9 6.1 8.4 4.6 10.4 3.8 4.4 4.7 5.1 4 3.4 10.3 5.7 5.5 5.2
26 Norway
Trondheim, Norway
5.9 8.3 7.8 4.1 8.3 4.4 3.8 4.4 4.6 3.5 5.4 9.4 6.6 6.4 5.1
27 Norway
Narvik, Norway
5.2 7.5 7.3 3.8 8.1 3.7 3.5 3.8 4.2 3.3 6.5 6.1 4.1 4.6 3.9
28 Norway
Hylkje, Norway
4.7 5.5 7.9 4.4 9.2 2.9 3.7 3.9 4.1 3.2 2.6 3.8 3.8 - -
29 Norway
Bodo, Norway
3.8 - - - 11.5 3.2 3.7 3.8 4.3 2.5 2.5 2.3 2.6 - -

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