Live rankings Historical rankings
Most polluted cities Most polluted countries/regions World air quality report summary
2017-2023
Most polluted city ranking based on annual average PM2.5 concentration (μg/m³)
2023
World Air Quality Report
NEWSROOM
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 | 2023 | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  Begusarai, India | 118.9 | 31.2 | 235.3 | 156.8 | 113 | 109.3 | 99 | 63.8 | 61.8 | 71.5 | 61.8 | 210.5 | 285 | 19.7 | 24.9 | -- | -- | -- | -- |
| 2 | Guwahati, India | 105.4 | 220.2 | 168.1 | 129.2 | 112.2 | 69.5 | 51.3 | 46.6 | 60.2 | 76.7 | 76.4 | 126.9 | 128 | 51 | 53.1 | 62.1 | -- | -- | -- |
| 3 | Delhi, India | 102.1 | 171.8 | 114.3 | 77.4 | 71 | 67.4 | 42.9 | 35.3 | 34.8 | 39.7 | 106.3 | 255.1 | 210 | 92.6 | 96.4 | 84.1 | 98.6 | 113.5 | 108.2 |
| 4 | Mullanpur, India | 100.4 | 106.3 | 123.7 | 78.1 | 56.6 | 53.4 | 53.9 | 63.2 | 59.7 | 59.6 | 110.4 | 253 | 201.4 | 185.5 | -- | -- | -- | -- | -- |
| 5 |  Lahore, Pakistan | 99.5 | 143.2 | 117.3 | 73.8 | 52.9 | 52.4 | 46.4 | 39.8 | 42.2 | 53.8 | 125.9 | 251 | 197.5 | 97.4 | 86.5 | 79.2 | 89.5 | 114.9 | 133.2 |
| 6 | New Delhi, India | 92.7 | 162.6 | 98.2 | 67.1 | 59 | 57.7 | 40.1 | 31.7 | 35 | 38 | 94.7 | 234.7 | 193.8 | 89.1 | -- | -- | -- | -- | -- |
| 7 | Siwan, India | 90.6 | 223.6 | 167.5 | 108.3 | 71.7 | 59.8 | 48.9 | 35.7 | 30.4 | 54.7 | 48.9 | 136.3 | 77.6 | 58.5 | -- | -- | -- | -- | -- |
| 8 | Saharsa, India | 89.4 | 202 | 147.1 | 108.8 | 88.8 | 60.3 | 43.6 | 16.7 | 24.3 | 33.6 | 41.8 | 115.8 | 167.8 | 76.6 | -- | -- | -- | -- | -- |
| 9 | Goshaingaon, India | 89.3 | 205.3 | 117.5 | 63.8 | 63.3 | 60.7 | 39.2 | 27.3 | 38.3 | 33.9 | 81.1 | 152 | 156.1 | -- | -- | -- | -- | -- | -- |
| 10 | Katihar, India | 88.8 | 224.1 | 113.3 | 94 | 74.1 | 49.9 | 34.7 | 17.7 | 27.6 | 33.9 | 63.9 | 134.1 | 180.5 | 72.1 | -- | -- | -- | -- | -- |
| 11 | Greater Noida, India | 88.6 | 166.5 | 85.9 | 64.4 | 69.2 | 59.5 | 42.9 | 28.1 | 33.9 | 38.7 | 111.6 | 215.4 | 142 | 83.2 | 87.5 | 89.5 | 91.3 | -- | -- |
| 12 | Faisalabad, Pakistan | 88.2 | 92 | 106.5 | 66.5 | 44.5 | 42.9 | 43.8 | -- | 38.9 | 46 | 70.4 | 196.8 | 204.2 | 84.5 | 94.2 | 73.2 | 104.6 | 130.4 | -- |
| 13 |  Hotan, China | 87.3 | 95 | 63.9 | 99.9 | 133.4 | 88.2 | 97.1 | 81.5 | 99.6 | 84.1 | 53.6 | 59.8 | 93.8 | 94.3 | 101.5 | 110.2 | 110.1 | 116 | 91.9 |
| 14 | Bettiah, India | 85.7 | 225.3 | 162.6 | 118.6 | 90.4 | 67.4 | 40.2 | 23.2 | 32.4 | 31.2 | 49 | 97.6 | 78.7 | 78.4 | 149.6 | -- | -- | -- | -- |
| 15 | Samastipur, India | 85.3 | 200.6 | 154.5 | 103 | 81.4 | 66.4 | 43 | 26.9 | 31.9 | 37.1 | 49.1 | 123.1 | 75.5 | -- | -- | -- | -- | -- | -- |
| 16 | Muzaffarnagar, India | 85 | 120.3 | 95.6 | 81.9 | 75.5 | 77.7 | 47.1 | 31.4 | 41.7 | 53.7 | 100.9 | 122.2 | 156.5 | 85.5 | 73 | 78.6 | 89.1 | -- | -- |
| 17 | Gurugram, India | 84 | 125.9 | 73.7 | 64.3 | 74.2 | 75.3 | 56.1 | 39.8 | 48.2 | 54.7 | 89.1 | 177.5 | 129.3 | 70 | 83.4 | 75.3 | 93.1 | 135.8 | 145.6 |
| 18 | Arrah, India | 83.6 | 155.4 | 103.7 | 84.6 | 63.7 | 63.3 | 52.5 | 50.7 | 39.9 | 31.9 | 59 | 145.8 | 143.6 | 57.9 | -- | -- | -- | -- | -- |
| 19 | Dadri, India | 83.6 | 140.4 | 73.6 | 52.3 | 46.5 | 41.7 | 30 | 23.4 | 41.2 | 49.1 | 116.6 | 228.8 | 176.8 | 69.3 | 46.8 | -- | -- | -- | -- |
| 20 | Patna, India | 82.2 | 170.1 | 112.5 | 83.3 | 78.4 | 61 | 54.3 | 33.9 | 38 | 34.2 | 61 | 138.5 | 124.6 | 88.9 | 78.2 | 68.4 | 82.1 | 119.7 | 118.5 |
| 21 | Chapra, India | 81.4 | 191.9 | 123 | 87.6 | 60.4 | 49.9 | 38.8 | 25.8 | 43.9 | 36.5 | 29.9 | 150.2 | 142.7 | 85.9 | -- | -- | -- | -- | -- |
| 22 | Dharuhera, India | 81.1 | 143.6 | 101.7 | 76.6 | 82.3 | 58.4 | 59.6 | 29.6 | 38.8 | 33.4 | 78.1 | 157 | 90.3 | 87.8 | 76.9 | 72.5 | -- | -- | -- |
| 23 | Hanumangarh, India | 80.9 | -- | 90.2 | 73.6 | 54.9 | 62.2 | 27 | 19.3 | 24.1 | 32 | 86.6 | 234.7 | 201.3 | -- | -- | -- | -- | -- | -- |
| 24 |  Dhaka, Bangladesh | 80.2 | 175.5 | 107 | 82.5 | 61.6 | 49.2 | 42.7 | 23.6 | 44.8 | 39 | 74.9 | 101.6 | 160.3 | 65.8 | 78.1 | 77.1 | 83.3 | 97.1 | 79.7 |
| 25 | Faridabad, India | 79.9 | 134.9 | 79.7 | 70.1 | 57.3 | 52.7 | 49.3 | 27.6 | 29.1 | 37.6 | 81.6 | 193.1 | 146.6 | 79.7 | 88.9 | 83.3 | 85 | 129.1 | 123 |
| 26 | Noida, India | 79.8 | 132.1 | 78.8 | 57.6 | 52.8 | 53.6 | 36.9 | 31.6 | 32.8 | 37.2 | 82 | 196.9 | 165.3 | 78.7 | 91.4 | 94.3 | 97.7 | 123.6 | 134 |
| 27 | Bhagalpur, India | 79.7 | 199.8 | 105.7 | 80.8 | 60.3 | 44.4 | 35.5 | 19.8 | 29.9 | 36.5 | 53.8 | 122.4 | 163.4 | 72.1 | -- | -- | -- | -- | -- |
| 28 | Meerut, India | 78.9 | 137 | 103.5 | 73.4 | 56.4 | 56.5 | 32.9 | 19.1 | 28.9 | 33.4 | 98.5 | 184.3 | 122.6 | 72.6 | 80.6 | 82.3 | -- | -- | -- |
| 29 | Muzaffarpur, India | 77.5 | 162.8 | 117.8 | 84.3 | 93.5 | 63.7 | 53.9 | 25.5 | 31.2 | 32 | 53.1 | 103.3 | 112.9 | 79.2 | 82.9 | 74.3 | 81.2 | 110.3 | 107.4 |
| 30 | Agartala, India | 77.4 | 104.7 | 105.9 | 96.7 | 91.5 | 63.5 | 58.6 | 32.9 | 55.9 | 47 | 74.9 | 84.2 | 93.6 | 42.3 | 39.2 | -- | -- | -- | -- |
| 31 | Bhiwadi, India | 77.1 | 99.3 | 74 | 68.1 | 60.9 | 50.6 | 46.5 | 25.3 | 32.9 | 47.1 | 90.9 | 185 | 138.4 | 92.7 | 106.2 | 95.5 | 83.4 | 125.4 | -- |
| 32 | Bandhwari, India | 76.8 | 137.6 | 93.5 | 55 | 53.3 | 50.4 | 35.6 | 28.2 | 29.9 | 34.1 | 73.9 | 184.3 | 130.2 | -- | -- | -- | -- | -- | -- |
| 33 | Baghpat, India | 76.6 | 125.2 | 98.3 | 77.9 | 75.9 | 72.7 | 37.6 | 24.7 | 28.8 | 35.9 | 79.4 | 164.6 | 122.5 | -- | -- | -- | -- | -- | -- |
| 34 | Peshawar, Pakistan | 76.5 | 135.9 | 78.7 | 53.3 | 34.2 | 39 | 42.9 | 35.5 | 44 | 52.8 | 83.1 | 155.8 | 166.3 | 91.8 | 89.6 | -- | 63.9 | -- | -- |
| 35 | Ghaziabad, India | 76.1 | 132.6 | 79.8 | 58.8 | 52.1 | 46.3 | 31.7 | 32 | 30.7 | 33.9 | 75.1 | 191.2 | 149 | 88.6 | 102 | 106.6 | 110.2 | 135.2 | 144.6 |
| 36 | Charkhi Dadri, India | 75.9 | 91.5 | 76.3 | 75.3 | 99.5 | 99.8 | 65.3 | 35.3 | 54.9 | 34.3 | 67.4 | 119.4 | 95.6 | 77.4 | 73.9 | -- | -- | -- | -- |
| 37 | Araria, India | 75.8 | 159.5 | 115 | 106.8 | 64 | 36.7 | 20.8 | 10.3 | 20.3 | 28.7 | 56 | 86.4 | 150.4 | 71.5 | -- | -- | -- | -- | -- |
| 38 | Alandi, India | 75.7 | 153.4 | 116.6 | 77.6 | 54.6 | 44.2 | 50.7 | 29.6 | 46.3 | 44.2 | 93.8 | 67.1 | 85 | 49.9 | 38.9 | -- | -- | -- | -- |
| 39 | Rajgir, India | 75.3 | 185.6 | 96.1 | 56.9 | 43 | 45.7 | 31.4 | 20.9 | 32.9 | 35 | 54.2 | 144.1 | 118 | 63.1 | -- | -- | -- | -- | -- |
| 40 | Bahadurgarh, India | 75.2 | 90.5 | 65 | 59.1 | 64 | 64.4 | 44.9 | 31.1 | 36.6 | 42.4 | 111.9 | 179.6 | 107.1 | 82.2 | 139.9 | -- | -- | -- | -- |
| 41 | Monghyr, India | 73.1 | 161.8 | 104.3 | 84.3 | 72.1 | 66.9 | 53 | 34.1 | 43.3 | 40.1 | 48.2 | 63.1 | 83.3 | 76.2 | -- | -- | -- | -- | -- |
| 42 | Kashgar, China | 72.3 | 107 | 68.3 | 91 | 119.3 | 47.1 | 31.7 | 32.2 | 42.3 | 44 | 41.1 | 81.1 | 161.4 | 73.4 | 83.2 | 81 | 87.1 | 95.7 | 97.5 |
| 43 |  South Tangerang, Indonesia | 71.7 | 44.8 | 31.9 | 65.7 | 56.9 | 94.2 | 83.1 | 88.9 | 94.2 | 73.9 | 80.8 | 69.4 | 61.2 | -- | -- | -- | -- | -- | -- |
| 44 |  Karagandy, Kazakhstan | 71.2 | 101.6 | 68.7 | 73.8 | 62.3 | 64.3 | 62.4 | 58.7 | 74.2 | 44.6 | 22.4 | 12.9 | 128.3 | 77.8 | 75.5 | -- | -- | -- | -- |
| 45 | Mushalpur, India | 69.9 | 155.9 | 112.9 | 71.6 | 51.7 | 74.1 | 38.8 | 18.3 | 38.2 | 30.5 | 44.3 | 86.2 | 102.1 | -- | -- | -- | -- | -- | -- |
| 46 | Vapi, India | 69.9 | 137.6 | 143.5 | 98.4 | 64.8 | 38 | 26.9 | 27.6 | 33.3 | 35 | 87.3 | 58.6 | 90.1 | 82.1 | 44.7 | 65.2 | 41.8 | -- | -- |
| 47 | Rohtak, India | 69.2 | 82.4 | 53.9 | 45 | 57.5 | 66.9 | 42 | 28.7 | 34.1 | 40.2 | 85.6 | 177.2 | 111.6 | 74.7 | 86.9 | 74.4 | 59.7 | 81.6 | 96.7 |
| 48 | Kaithal, India | 68.5 | 81.7 | 60.4 | 44.9 | 51.8 | 50.8 | 29.1 | 35.6 | 63.1 | 48.4 | 100.5 | 166.3 | 84.5 | 68.7 | 57.8 | 54.3 | 50 | -- | -- |
| 49 | Dhaulpur, India | 68.4 | -- | 83.9 | 59 | 38.7 | 33 | 28.1 | 32.8 | 28.5 | 33.6 | 60 | 211.7 | 146.6 | -- | -- | -- | -- | -- | -- |
| 50 | Ganganagar, India | 68.3 | -- | -- | 73.3 | 64.3 | 55.9 | 29.9 | 38.9 | 26.1 | 36.2 | 84.7 | 172.3 | 98.2 | -- | -- | -- | -- | -- | -- |
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