2017-2022

World's most polluted cities

Most polluted city ranking based on annual average PM2.5 concentration (μg/m³)

2022

World Air Quality Report

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PM2.5 legend

0-5

Meets WHO guideline

5.1-10

Exceeds by 1 to 2 times

10.1-15

Exceeds by 2 to 3 times

15.1-25

Exceeds by 3 to 5 times

25.1-35

Exceeds by 5 to 7 times

35.1-50

Exceeds by 7 to 10 times

>50.1

Exceeds by over 10 times

Rank
City
2022 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2021 2020 2019 2018 2017
1 South Africa
Thabazimbi, South Africa
42.2 19 32 39.3 37.5 55.3 49.3 78.5 69.9 55.4 41.2 19.8 11.8 26.6 14.7 19.4 -- --
2 South Africa
Ekurhuleni, South Africa
32 14.2 21.5 24.3 27.1 52.9 49.4 53.5 44.2 39.2 31.9 20.5 17.4 33.8 -- -- -- --
3 South Africa
Edenvale, South Africa
27.3 16.3 23.4 22.5 18.2 33.2 30.8 47 35.2 35.9 31.7 18.2 16.8 30.7 -- -- -- --
4 South Africa
Ga-Rankuwa, South Africa
25.2 19.9 18.3 22.2 11 25.8 10.8 32.1 31 25.9 39.2 38.5 22.3 21.9 22.5 -- -- --
5 South Africa
Vereeniging, South Africa
24.7 8.3 9.7 11.3 13.6 18.6 44 50.1 36.1 38.8 29.6 18 18.3 26.6 26.5 30 -- --
6 South Africa
Emalahleni, South Africa
24.3 10.9 16 18.8 20.6 30.4 37.7 42.7 39.5 33.4 22.6 10.5 10.7 -- -- -- -- --
7 South Africa
Standerton, South Africa
22.9 9.3 12.2 16.9 14.8 26.6 41.5 46.3 30 30.3 20.6 12 12.8 21.2 18 27.2 -- --
8 South Africa
eMkhomazi, South Africa
22.6 16.8 15.2 14.1 11.4 16.8 26.4 37.2 28.5 39.8 39.3 19.6 14.9 20.4 -- -- -- --
9 South Africa
Johannesburg, South Africa
21.7 12.4 16.4 17.2 14.4 25.5 27.5 31.8 26.7 31.7 28.1 15.9 13.4 27.3 22.3 25.3 -- --
10 South Africa
Pretoria, South Africa
21.7 10.1 14.8 16.5 13.1 27.4 24.5 32.1 30.1 31.9 29 15.5 12 21.6 24.4 25.5 -- --
11 South Africa
Middelburg, South Africa
18.2 6.5 13.5 13.2 12.6 20 24.2 29 31.7 24.4 18.5 9.7 9 16.2 19.8 26.6 -- --
12 South Africa
eMbalenhle, South Africa
17.4 10.4 8.7 15.1 12.2 20.6 24.7 29.2 22.2 22.4 22.4 9.8 10.1 17.1 15.6 30 -- --
13 South Africa
Durban, South Africa
17.1 12 14.6 11.1 11.6 16.8 21.5 27.9 20.5 23.7 16.8 12.1 14.9 16.3 -- -- -- --
14 South Africa
Hartbeespoort, South Africa
16.3 8.1 10.4 8.7 8.6 19.4 27.7 25.1 23 24.5 20 10.3 9.4 17 20.8 60 -- --
15 South Africa
Bloemfontein, South Africa
16.2 8.8 11.2 10.3 11.6 21 22.3 23.2 18.8 24.4 24 10.4 9.3 42.2 17.2 42.3 -- --
16 South Africa
Howick, South Africa
15.4 9.2 10.2 11.2 6.6 11.8 17.9 33 22.8 27.3 17.8 9.9 8.3 18.8 -- -- -- --
17 South Africa
Pietermaritzburg, South Africa
15.4 6 16.1 23.3 17.5 14 12 27 22 -- 12.2 11.1 9.4 11.9 -- -- -- --
18 South Africa
Secunda, South Africa
14.4 8 11.8 12.1 7.5 13.2 14.6 20.8 21.1 20.2 19.2 9.6 8.5 17.5 21.8 27.3 -- --
19 South Africa
Bethlehem, South Africa
13.7 2 10.1 19 5.1 7.5 14.1 16.8 15.2 23.5 23.7 6.7 9.1 14 13.4 12.4 -- --
20 South Africa
KwaMbonambi, South Africa
12.2 8.8 9.2 9.4 10.4 12.6 14.4 16.1 16.6 16 12.9 9.9 8.9 13 -- -- -- --
21 South Africa
Mokopane, South Africa
11.1 5.9 8.5 7.3 8.3 14.4 14.7 14.6 15.2 11.9 10.9 9.9 10.7 12.8 10.5 16.2 -- --
22 South Africa
Hendrina, South Africa
9.7 4.5 5.9 7.3 5.2 10.1 10.5 13.9 14.3 12.2 15.2 8.9 7.7 12.7 13.5 21.2 -- --
23 South Africa
Port Elizabeth, South Africa
9.3 11.2 12 5.4 5.8 7.7 11.8 10 8.1 9.1 9.7 7.6 7.1 10.5 9 10.6 -- --
24 South Africa
Cape Town, South Africa
6.7 6.9 7.9 6.4 5.8 9.1 12.5 8.6 7.3 6.3 4 2.9 2.8 7.6 8 11.2 -- --
25 South Africa
Knysna, South Africa
5.2 5.8 5.5 4.3 3 5 8.9 7.3 5 5.9 4.6 3.9 3.1 6.1 -- -- -- --
26 South Africa
Nieuwoudtville, South Africa
3.4 4.1 -- 5.2 2.8 2.6 3.5 3.5 3.4 3.6 5.1 2.9 2.9 3.9 -- -- -- --
27 South Africa
Grabouw, South Africa
2.6 8.7 0.8 0.8 -- -- 0.7 0.6 0.8 0.8 1 4.4 5.2 8.9 -- -- -- --
28 South Africa
Oudtshoorn, South Africa
0.8 1 0.9 0.8 0.7 0.4 0.5 0.7 0.6 0.8 1.4 0.7 -- -- -- -- -- --

1-28 of 28

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