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 Romania
Branistea, Romania
25.9 28.3 35.6 26.5 13 7 4.7 - 10.9 20.7 43.6 19 34.6 16.8 -
2 Romania
Iasi, Romania
22.4 30.4 25.5 28 16.4 13.3 21.2 15.9 21.4 20.8 25 27 7.9 27 -
3 Romania
Bucharest, Romania
18.4 27 30.4 20.8 16.6 13.1 15.9 13.5 13.1 14 21 16.8 19.2 20.3 -
4 Romania
Brasov, Romania
18 27.1 25.1 18.3 14.9 7.9 11.2 11.1 11.8 11.2 21.9 14.7 43.7 21.3 -
5 Romania
Cluj-Napoca, Romania
15.7 20.7 19.9 10.1 6.3 18.3 11.9 11.3 11.8 13 20.4 15.7 25.2 21.4 -
6 Romania
Magurele, Romania
15.7 26.3 - - 13.9 12.3 13.8 12.6 11.1 15.8 23.7 14.9 20 18.9 -
7 Romania
Botosani, Romania
13.3 23.8 15.6 11.4 11.4 7.7 11.5 10.8 8.7 9.8 15 15.7 22.6 14.8 -
8 Romania
Baia Mare, Romania
11.9 - - 11.1 13 7.8 10.2 10.3 10 11.1 22.3 13.9 17.8 - -

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