The world's most polluted cities, ranked

227 of 2,311 measured cities in 84 countries breathed air above the WHO 24-hour guideline of 15 µg/m³ over the last 30 days. The worst was Kinshasa, Democratic Republic of the Congo, at 78.2.

#1,448 Limburg an der Lahn 5.7 µg/m³, more polluted than 36% of 2,311
← Kinshasa 78.2 WHO 24-hour guideline
Every ranked city, one column each, worst on the left and cleanest on the right. Point at it to read a city; tap to open it.
  1. 1Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo 78.2
  2. 2Gujranwalalow-cost sensorsPunjab, Pakistan 70.3
  3. 3Dera MāndiDelhi, India 69.8
  4. 4Blantyrelow-cost sensorsSouthern Region, Malawi 66.7
  5. 5JīndHaryana, India 66.1
  6. 6Lilongwelow-cost sensorsCentral Region, Malawi 63.3
  7. 7Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan 62.2
  8. 8GurugramHaryana, India 62.0
  9. 9Lahorelow-cost sensorsPunjab, Pakistan 61.6
  10. 10Yamuna NagarHaryana, India 59.7
  11. 11Zombalow-cost sensorsSouthern Region, Malawi 58.6
  12. 12Kampalalow-cost sensorsCentral Region, Uganda 56.4
  13. 13Multanlow-cost sensorsPunjab, Pakistan 56.2
  14. 14Faisalabadlow-cost sensorsPunjab, Pakistan 55.6
  15. 15Jammulow-cost sensorsJammu and Kashmir, India 55.1
  16. 16NoidaUttar Pradesh, India 52.4
  17. 17KaithalHaryana, India 51.5
  18. 18Sialkotlow-cost sensorsPunjab, Pakistan 50.9
  19. 19BhiwadiRajasthan, India 50.8
  20. 20Dhakalow-cost sensorsDhaka Division, Bangladesh 50.5
  21. 21Singaporelow-cost sensorsSingapore 49.0
  22. 22DādriUttar Pradesh, India 48.8
  23. 23DhāruheraHaryana, India 48.3
  24. 24Rahim Yar Khanlow-cost sensorsPunjab, Pakistan 47.4
  25. 25Saint-Louislow-cost sensorsSaint-Louis, Senegal 46.1
  26. 26Dubailow-cost sensorsDubai, United Arab Emirates 45.7
  27. 27Queenstown Estatelow-cost sensorsSingapore 45.5
  28. 28JalandharPunjab, India 45.1
  29. 29BahadurgarhHaryana, India 43.0
  30. 30FaridabadHaryana, India 41.9
  31. 30ChittoorAndhra Pradesh, India 41.9
  32. 32Rawalpindilow-cost sensorsPunjab, Pakistan 41.6
  33. 33Bahawalpurlow-cost sensorsPunjab, Pakistan 41.5
  34. 34Karongalow-cost sensorsNorthern Region, Malawi 40.7
  35. 35HāpurUttar Pradesh, India 40.5
  36. 36Tabananlow-cost sensorsBali, Indonesia 40.4
  37. 36BaddiHimachal Pradesh, India 40.4
  38. 38DushanbeDushanbe, Tajikistan 40.1
  39. 39Alipurlow-cost sensorsIslamabad, Pakistan 39.9
  40. 40Hararelow-cost sensorsHarare, Zimbabwe 39.6
  41. 41AmbālaHaryana, India 39.5
  42. 42AnantapurAndhra Pradesh, India 39.0
  43. 43DelhiDelhi, India 38.3
  44. 44ThānesarHaryana, India 38.2
  45. 45Sri GanganagarRajasthan, India 37.9
  46. 46SonīpatHaryana, India 37.8
  47. 46MuzaffarnagarUttar Pradesh, India 37.8
  48. 48NarelaDelhi, India 37.5
  49. 49Islamabadlow-cost sensorsIslamabad, Pakistan 37.4
  50. 50Greater NoidaUttar Pradesh, India 37.3
All 2,311 cities
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+

PM2.5 in µg/m³, coloured by the US EPA's PM2.5 categories. Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

Who led, day by day

Kinshasa5 days #12026-09-02: 70.1 µg/m³, #62026-09-03: 43.2 µg/m³2026-09-04: 73.1 µg/m³, #42026-09-05: 51.9 µg/m³2026-09-06: 78.5 µg/m³, #52026-09-07: 111.2 µg/m³, #12026-09-08: 138.0 µg/m³, #12026-09-09: 58.3 µg/m³2026-09-10: 70.7 µg/m³, #52026-09-11: 83.0 µg/m³, #12026-09-12: 70.9 µg/m³, #32026-09-14: 86.5 µg/m³, #32026-09-15: 102.1 µg/m³, #32026-09-16: 51.1 µg/m³2026-09-17: 56.0 µg/m³, #92026-09-18: 72.4 µg/m³, #12026-09-19: 71.9 µg/m³2026-09-20: 73.4 µg/m³2026-09-21: 71.2 µg/m³2026-09-23: 113.0 µg/m³, #22026-09-24: 151.0 µg/m³, #12026-09-25: 114.0 µg/m³, #22026-09-26: 65.6 µg/m³, #102026-09-27: 50.1 µg/m³2026-09-28: 58.2 µg/m³2026-09-30: 75.5 µg/m³, #42026-10-01: 49.9 µg/m³, #9Gurugram4 days #12026-09-02: 48.7 µg/m³2026-09-03: 46.3 µg/m³2026-09-04: 30.4 µg/m³2026-09-05: 28.9 µg/m³2026-09-06: 33.2 µg/m³2026-09-07: 45.1 µg/m³2026-09-08: 28.8 µg/m³2026-09-09: 49.7 µg/m³2026-09-10: 57.7 µg/m³2026-09-11: 39.0 µg/m³2026-09-12: 19.6 µg/m³2026-09-13: 24.3 µg/m³2026-09-14: 23.9 µg/m³2026-09-15: 32.6 µg/m³2026-09-16: 21.8 µg/m³2026-09-17: 31.4 µg/m³2026-09-18: 34.4 µg/m³2026-09-19: 181.0 µg/m³, #12026-09-20: 212.0 µg/m³, #12026-09-21: 144.0 µg/m³, #22026-09-22: 51.2 µg/m³2026-09-24: 67.3 µg/m³2026-09-25: 61.5 µg/m³2026-09-26: 86.4 µg/m³, #42026-09-27: 109.0 µg/m³, #12026-09-28: 104.0 µg/m³, #1Saint-Louis3 days #12026-09-02: 7.0 µg/m³2026-09-03: 5.7 µg/m³2026-09-04: 7.2 µg/m³2026-09-05: 24.9 µg/m³2026-09-06: 17.2 µg/m³2026-09-07: 7.4 µg/m³2026-09-08: 8.7 µg/m³2026-09-09: 145.0 µg/m³, #12026-09-12: 12.7 µg/m³2026-09-13: 38.3 µg/m³2026-09-14: 25.0 µg/m³2026-09-17: 231.9 µg/m³, #12026-09-18: 53.9 µg/m³, #92026-09-19: 26.6 µg/m³2026-09-20: 12.3 µg/m³2026-09-21: 309.7 µg/m³, #12026-09-22: 43.8 µg/m³2026-09-23: 51.0 µg/m³2026-09-24: 5.1 µg/m³2026-09-25: 6.4 µg/m³2026-09-26: 24.7 µg/m³2026-09-27: 7.3 µg/m³2026-09-28: 42.3 µg/m³2026-09-29: 8.2 µg/m³2026-09-30: 30.3 µg/m³Dera Māndi2 days #12026-09-02: 69.2 µg/m³, #72026-09-03: 88.8 µg/m³, #32026-09-04: 76.4 µg/m³, #12026-09-05: 68.1 µg/m³, #82026-09-06: 42.4 µg/m³2026-09-07: 35.9 µg/m³2026-09-08: 40.2 µg/m³2026-09-09: 55.9 µg/m³2026-09-10: 45.4 µg/m³2026-09-11: 42.8 µg/m³2026-09-12: 45.1 µg/m³2026-09-13: 47.5 µg/m³2026-09-14: 53.9 µg/m³2026-09-15: 70.8 µg/m³, #72026-09-16: 57.7 µg/m³, #102026-09-17: 74.3 µg/m³, #32026-09-18: 54.5 µg/m³, #82026-09-19: 85.1 µg/m³, #42026-09-20: 147.0 µg/m³, #22026-09-21: 102.0 µg/m³, #62026-09-22: 94.9 µg/m³, #52026-09-23: 90.5 µg/m³, #82026-09-24: 122.0 µg/m³, #22026-09-25: 158.0 µg/m³, #12026-09-26: 40.0 µg/m³2026-09-27: 44.0 µg/m³2026-09-28: 47.8 µg/m³2026-09-29: 53.4 µg/m³Blantyre2 days #12026-09-02: 105.0 µg/m³, #22026-09-03: 80.8 µg/m³, #52026-09-04: 64.4 µg/m³, #82026-09-05: 91.5 µg/m³, #22026-09-06: 119.0 µg/m³, #22026-09-07: 69.0 µg/m³, #52026-09-08: 27.9 µg/m³2026-09-09: 19.6 µg/m³2026-09-10: 34.0 µg/m³2026-09-11: 54.1 µg/m³2026-09-12: 91.4 µg/m³, #22026-09-13: 121.0 µg/m³, #12026-09-14: 116.0 µg/m³, #12026-09-15: 116.0 µg/m³, #22026-09-16: 75.3 µg/m³, #42026-09-17: 38.7 µg/m³2026-09-18: 53.8 µg/m³, #102026-09-19: 90.0 µg/m³, #22026-09-20: 61.0 µg/m³2026-09-21: 58.7 µg/m³2026-09-22: 75.0 µg/m³2026-09-23: 47.2 µg/m³2026-09-24: 70.1 µg/m³2026-09-25: 43.2 µg/m³2026-09-26: 64.2 µg/m³2026-09-27: 49.1 µg/m³2026-09-28: 60.5 µg/m³, #82026-09-29: 63.9 µg/m³, #72026-09-30: 29.6 µg/m³2026-10-01: 12.3 µg/m³Gujranwala2 days #12026-09-02: 48.3 µg/m³2026-09-03: 50.9 µg/m³2026-09-04: 45.9 µg/m³2026-09-05: 63.5 µg/m³, #102026-09-06: 51.0 µg/m³2026-09-07: 69.1 µg/m³, #42026-09-08: 80.0 µg/m³, #22026-09-09: 65.9 µg/m³, #82026-09-10: 49.4 µg/m³2026-09-11: 58.0 µg/m³, #62026-09-12: 59.6 µg/m³, #62026-09-13: 77.4 µg/m³, #22026-09-14: 46.7 µg/m³2026-09-15: 45.1 µg/m³2026-09-16: 55.2 µg/m³2026-09-17: 34.1 µg/m³2026-09-18: 46.2 µg/m³2026-09-19: 89.2 µg/m³, #32026-09-20: 87.6 µg/m³, #52026-09-21: 130.0 µg/m³, #32026-09-22: 108.5 µg/m³, #12026-09-23: 104.0 µg/m³, #32026-09-24: 96.4 µg/m³, #52026-09-25: 83.0 µg/m³, #62026-09-26: 67.8 µg/m³, #92026-09-27: 105.5 µg/m³, #22026-09-28: 53.9 µg/m³2026-09-29: 52.5 µg/m³2026-09-30: 81.0 µg/m³, #32026-10-01: 104.0 µg/m³, #1Lilongwe1 day #12026-09-02: 116.0 µg/m³, #12026-09-03: 100.0 µg/m³, #22026-09-04: 74.8 µg/m³, #32026-09-05: 68.6 µg/m³, #72026-09-06: 65.6 µg/m³, #82026-09-07: 73.3 µg/m³, #32026-09-08: 46.4 µg/m³2026-09-09: 25.8 µg/m³2026-09-10: 37.6 µg/m³2026-09-11: 47.4 µg/m³2026-09-12: 59.8 µg/m³, #52026-09-13: 58.5 µg/m³, #102026-09-14: 72.1 µg/m³, #62026-09-15: 95.2 µg/m³, #42026-09-16: 78.7 µg/m³, #22026-09-17: 61.8 µg/m³, #52026-09-18: 49.6 µg/m³2026-09-19: 61.9 µg/m³2026-09-20: 64.1 µg/m³2026-09-21: 64.1 µg/m³2026-09-22: 95.1 µg/m³, #42026-09-23: 94.7 µg/m³, #62026-09-24: 62.0 µg/m³2026-09-25: 62.1 µg/m³2026-09-26: 54.8 µg/m³2026-09-27: 41.7 µg/m³2026-09-28: 43.2 µg/m³2026-09-29: 49.5 µg/m³2026-09-30: 48.9 µg/m³2026-10-01: 26.9 µg/m³Smederevo1 day #12026-09-02: 45.2 µg/m³2026-09-03: 128.0 µg/m³, #12026-09-04: 12.2 µg/m³2026-09-05: 10.0 µg/m³2026-09-07: 13.5 µg/m³2026-09-09: 16.3 µg/m³2026-09-10: 16.7 µg/m³2026-09-11: 15.2 µg/m³2026-09-12: 13.2 µg/m³2026-09-14: 15.6 µg/m³2026-09-15: 12.6 µg/m³2026-09-16: 20.6 µg/m³2026-09-17: 20.6 µg/m³2026-09-18: 12.3 µg/m³2026-09-19: 13.3 µg/m³2026-09-21: 13.6 µg/m³2026-09-22: 7.9 µg/m³2026-09-23: 7.2 µg/m³2026-09-24: 10.1 µg/m³2026-09-25: 16.0 µg/m³2026-09-26: 25.2 µg/m³2026-09-27: 22.0 µg/m³2026-09-28: 17.3 µg/m³2026-09-29: 21.0 µg/m³2026-09-30: 17.3 µg/m³Neelankarai1 day #12026-09-02: 44.2 µg/m³2026-09-03: 18.3 µg/m³2026-09-04: 16.4 µg/m³2026-09-05: 162.0 µg/m³, #12026-09-06: 101.0 µg/m³, #32026-09-07: 48.1 µg/m³2026-09-10: 70.4 µg/m³, #62026-09-24: 20.2 µg/m³2026-09-25: 16.7 µg/m³2026-09-26: 20.6 µg/m³2026-09-27: 32.1 µg/m³2026-09-28: 30.0 µg/m³Bhāgalpur1 day #12026-09-02: 78.3 µg/m³, #52026-09-03: 63.9 µg/m³, #62026-09-04: 69.3 µg/m³, #52026-09-05: 62.4 µg/m³2026-09-06: 128.0 µg/m³, #12026-09-08: 40.7 µg/m³2026-09-09: 41.3 µg/m³2026-09-10: 70.2 µg/m³, #72026-09-13: 12.7 µg/m³2026-09-16: 10.1 µg/m³2026-09-18: 40.1 µg/m³2026-09-19: 60.4 µg/m³2026-09-20: 69.7 µg/m³2026-09-21: 19.7 µg/m³2026-09-22: 34.4 µg/m³2026-09-23: 32.3 µg/m³2026-09-26: 16.2 µg/m³Sep 2Oct 1
Every city that was the world's most polluted on at least one of the last 30 days. Filled square: #1 that day; ring: in the top 10; dot: measured but lower. Each city's own local day.

The world's air, last 30 days

2026-09-02: 9 of 2352 cities unhealthy (0%)2026-09-02: 32 of 2352 cities unhealthy for sensitive groups (1%)2026-09-02: 732 of 2352 cities moderate (31%)2026-09-02: 1579 of 2352 cities good (67%)Sep 22026-09-03: 1 of 2356 cities very unhealthy (0%)2026-09-03: 12 of 2356 cities unhealthy (1%)2026-09-03: 40 of 2356 cities unhealthy for sensitive groups (2%)2026-09-03: 575 of 2356 cities moderate (24%)2026-09-03: 1728 of 2356 cities good (73%)2026-09-04: 12 of 2347 cities unhealthy (1%)2026-09-04: 28 of 2347 cities unhealthy for sensitive groups (1%)2026-09-04: 496 of 2347 cities moderate (21%)2026-09-04: 1811 of 2347 cities good (77%)2026-09-05: 1 of 2355 cities very unhealthy (0%)2026-09-05: 12 of 2355 cities unhealthy (1%)2026-09-05: 26 of 2355 cities unhealthy for sensitive groups (1%)2026-09-05: 510 of 2355 cities moderate (22%)2026-09-05: 1806 of 2355 cities good (77%)2026-09-06: 1 of 2144 cities very unhealthy (0%)2026-09-06: 10 of 2144 cities unhealthy (0%)2026-09-06: 35 of 2144 cities unhealthy for sensitive groups (2%)2026-09-06: 432 of 2144 cities moderate (20%)2026-09-06: 1666 of 2144 cities good (78%)2026-09-07: 12 of 2332 cities unhealthy (1%)2026-09-07: 44 of 2332 cities unhealthy for sensitive groups (2%)2026-09-07: 419 of 2332 cities moderate (18%)2026-09-07: 1857 of 2332 cities good (80%)Sep 72026-09-08: 1 of 2296 cities very unhealthy (0%)2026-09-08: 14 of 2296 cities unhealthy (1%)2026-09-08: 43 of 2296 cities unhealthy for sensitive groups (2%)2026-09-08: 485 of 2296 cities moderate (21%)2026-09-08: 1753 of 2296 cities good (76%)2026-09-09: 1 of 2331 cities very unhealthy (0%)2026-09-09: 19 of 2331 cities unhealthy (1%)2026-09-09: 41 of 2331 cities unhealthy for sensitive groups (2%)2026-09-09: 434 of 2331 cities moderate (19%)2026-09-09: 1836 of 2331 cities good (79%)2026-09-10: 14 of 2277 cities unhealthy (1%)2026-09-10: 43 of 2277 cities unhealthy for sensitive groups (2%)2026-09-10: 392 of 2277 cities moderate (17%)2026-09-10: 1828 of 2277 cities good (80%)2026-09-11: 8 of 2087 cities unhealthy (0%)2026-09-11: 47 of 2087 cities unhealthy for sensitive groups (2%)2026-09-11: 392 of 2087 cities moderate (19%)2026-09-11: 1640 of 2087 cities good (79%)2026-09-12: 9 of 2141 cities unhealthy (0%)2026-09-12: 35 of 2141 cities unhealthy for sensitive groups (2%)2026-09-12: 490 of 2141 cities moderate (23%)2026-09-12: 1607 of 2141 cities good (75%)2026-09-13: 12 of 1995 cities unhealthy (1%)2026-09-13: 41 of 1995 cities unhealthy for sensitive groups (2%)2026-09-13: 485 of 1995 cities moderate (24%)2026-09-13: 1457 of 1995 cities good (73%)2026-09-14: 11 of 2148 cities unhealthy (1%)2026-09-14: 37 of 2148 cities unhealthy for sensitive groups (2%)2026-09-14: 418 of 2148 cities moderate (19%)2026-09-14: 1682 of 2148 cities good (78%)Sep 142026-09-15: 1 of 2236 cities very unhealthy (0%)2026-09-15: 12 of 2236 cities unhealthy (1%)2026-09-15: 54 of 2236 cities unhealthy for sensitive groups (2%)2026-09-15: 439 of 2236 cities moderate (20%)2026-09-15: 1730 of 2236 cities good (77%)2026-09-16: 12 of 2312 cities unhealthy (1%)2026-09-16: 50 of 2312 cities unhealthy for sensitive groups (2%)2026-09-16: 535 of 2312 cities moderate (23%)2026-09-16: 1715 of 2312 cities good (74%)2026-09-17: 1 of 2312 cities hazardous (0%)2026-09-17: 8 of 2312 cities unhealthy (0%)2026-09-17: 40 of 2312 cities unhealthy for sensitive groups (2%)2026-09-17: 520 of 2312 cities moderate (22%)2026-09-17: 1743 of 2312 cities good (75%)2026-09-18: 6 of 2358 cities unhealthy (0%)2026-09-18: 31 of 2358 cities unhealthy for sensitive groups (1%)2026-09-18: 576 of 2358 cities moderate (24%)2026-09-18: 1745 of 2358 cities good (74%)2026-09-19: 1 of 2377 cities very unhealthy (0%)2026-09-19: 23 of 2377 cities unhealthy (1%)2026-09-19: 53 of 2377 cities unhealthy for sensitive groups (2%)2026-09-19: 548 of 2377 cities moderate (23%)2026-09-19: 1752 of 2377 cities good (74%)2026-09-20: 2 of 2128 cities very unhealthy (0%)2026-09-20: 31 of 2128 cities unhealthy (1%)2026-09-20: 44 of 2128 cities unhealthy for sensitive groups (2%)2026-09-20: 421 of 2128 cities moderate (20%)2026-09-20: 1630 of 2128 cities good (77%)2026-09-21: 1 of 2254 cities hazardous (0%)2026-09-21: 2 of 2254 cities very unhealthy (0%)2026-09-21: 32 of 2254 cities unhealthy (1%)2026-09-21: 55 of 2254 cities unhealthy for sensitive groups (2%)2026-09-21: 396 of 2254 cities moderate (18%)2026-09-21: 1768 of 2254 cities good (78%)Sep 212026-09-22: 34 of 2311 cities unhealthy (1%)2026-09-22: 65 of 2311 cities unhealthy for sensitive groups (3%)2026-09-22: 472 of 2311 cities moderate (20%)2026-09-22: 1740 of 2311 cities good (75%)2026-09-23: 42 of 2367 cities unhealthy (2%)2026-09-23: 45 of 2367 cities unhealthy for sensitive groups (2%)2026-09-23: 453 of 2367 cities moderate (19%)2026-09-23: 1827 of 2367 cities good (77%)2026-09-24: 1 of 2370 cities very unhealthy (0%)2026-09-24: 29 of 2370 cities unhealthy (1%)2026-09-24: 54 of 2370 cities unhealthy for sensitive groups (2%)2026-09-24: 581 of 2370 cities moderate (25%)2026-09-24: 1705 of 2370 cities good (72%)2026-09-25: 1 of 2338 cities very unhealthy (0%)2026-09-25: 18 of 2338 cities unhealthy (1%)2026-09-25: 39 of 2338 cities unhealthy for sensitive groups (2%)2026-09-25: 694 of 2338 cities moderate (30%)2026-09-25: 1586 of 2338 cities good (68%)2026-09-26: 21 of 2359 cities unhealthy (1%)2026-09-26: 31 of 2359 cities unhealthy for sensitive groups (1%)2026-09-26: 720 of 2359 cities moderate (31%)2026-09-26: 1587 of 2359 cities good (67%)2026-09-27: 16 of 2260 cities unhealthy (1%)2026-09-27: 29 of 2260 cities unhealthy for sensitive groups (1%)2026-09-27: 639 of 2260 cities moderate (28%)2026-09-27: 1576 of 2260 cities good (70%)2026-09-28: 14 of 2320 cities unhealthy (1%)2026-09-28: 47 of 2320 cities unhealthy for sensitive groups (2%)2026-09-28: 685 of 2320 cities moderate (30%)2026-09-28: 1574 of 2320 cities good (68%)Sep 282026-09-29: 15 of 2352 cities unhealthy (1%)2026-09-29: 54 of 2352 cities unhealthy for sensitive groups (2%)2026-09-29: 775 of 2352 cities moderate (33%)2026-09-29: 1508 of 2352 cities good (64%)2026-09-30: 12 of 2212 cities unhealthy (1%)2026-09-30: 18 of 2212 cities unhealthy for sensitive groups (1%)2026-09-30: 681 of 2212 cities moderate (31%)2026-09-30: 1501 of 2212 cities good (68%)2026-10-01: 6 of 1397 cities unhealthy (0%)2026-10-01: 13 of 1397 cities unhealthy for sensitive groups (1%)2026-10-01: 475 of 1397 cities moderate (34%)2026-10-01: 903 of 1397 cities good (65%)Oct 1
Each day's ranked cities split by band, worst at the top: a taller red and purple share means a worse day for more of the world, not just one city.

Climbing fastest

Movement shows once the board is a day old.

Cleanest air

Cities with reference monitors only.

What's missing

We rank only cities whose monitor data we're allowed to reuse. The government monitoring networks of China and Turkey publish no terms that allow this, so we leave them out: most cities there are missing here, not clean. The few of their cities that appear are measured by community low-cost sensors, tagged as such. Why.

Use this board

SmogRank, most polluted cities, PM2.5, last 30 days to 2 Oct 2026, 02:00 UTC, smogrank.com/?w=30d.

Download top 10 (PNG)

You're welcome to reuse a single chart, image or figure with this citation and a link. Terms.

Updated 2026-10-02 02:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors in µg/m³.