SmogRank / History / week of December 23, 2024

Most polluted cities, week of December 23, 2024

2,128 cities ranked by their average PM2.5 over the 7 days; the worst was Peshawar, Pakistan, at 284.6 µg/m³. A city needs measurements on 70% of the days to be ranked.

  1. 1Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    284.6
  2. 2Lahorelow-cost sensorsPunjab, Pakistan
    243.3
  3. 3DelhiDelhi, India
    176.8
  4. 4Dhakalow-cost sensorsDhaka Division, Bangladesh
    171.6
  5. 5KolkataWest Bengal, India
    148.0
  6. 6DushanbeDushanbe, Tajikistan
    131.9
  7. 7N'DjamenaN’Djaména, Chad
    121.8
  8. 8Islamabadlow-cost sensorsIslamabad, Pakistan
    121.6
  9. 9Kathmandulow-cost sensorsBagmati Province, Nepal
    111.0
  10. 10MumbaiMaharashtra, India
    110.5
  11. 11OpoleOpole Voivodeship, Poland
    107.8
  12. 12BaghdadBaghdad, Iraq
    107.4
  13. 13SalorTashkent Region, Uzbekistan
    99.4
  14. 14Kampalalow-cost sensorsCentral Region, Uganda
    95.2
  15. 15Almatylow-cost sensorsAlmaty, Kazakhstan
    88.8
  16. 16Banja LukaSrpska, Bosnia and Herzegovina
    85.6
  17. 17Ulan BatorUlaanbaatar, Mongolia
    84.7
  18. 18RacibórzSilesia, Poland
    77.5
  19. 19ŻywiecSilesia, Poland
    77.0
  20. 20CairoCairo, Egypt
    74.8
  21. 21Yerevanlow-cost sensorsYerevan, Armenia
    74.4
  22. 22Kędzierzyn-KoźleOpole Voivodeship, Poland
    72.4
  23. 23Bielsko-BialaSilesia, Poland
    71.0
  24. 24Jastrzębie ZdrójSilesia, Poland
    70.9
  25. 25KłodzkoLower Silesia, Poland
    70.2
  26. 26OstravaMoravian-Silesian Region, Czechia
    67.4
  27. 27BohumínMoravian-Silesian Region, Czechia
    64.6
  28. 28Czechowice-DziedziceSilesia, Poland
    63.6
  29. 29Abidjanlow-cost sensorsAbidjan Autonomous District, Ivory Coast
    60.4
  30. 30DejCluj County, Romania
    59.9
  31. 31HavířovMoravian-Silesian Region, Czechia
    59.3
  32. 32SarajevoFederation of B&H, Bosnia and Herzegovina
    59.0
  33. 33OtwockMazovia, Poland
    58.8
  34. 34Frýdek-MístekMoravian-Silesian Region, Czechia
    57.2
  35. 34KaliszGreater Poland, Poland
    57.2
  36. 36ŁaskŁódź Voivodeship, Poland
    54.8
  37. 37ZgierzŁódź Voivodeship, Poland
    54.2
  38. 38GuangzhouGuangdong, China
    51.8
  39. 39Stodůlkylow-cost sensorsPrague, Czechia
    51.3
  40. 40Şabāḩ as SālimMubārak al Kabīr, Kuwait
    50.4
  41. 40Accralow-cost sensorsGreater Accra, Ghana
    50.4
  42. 42DhahranEastern Province, Saudi Arabia
    50.2
  43. 43Dubailow-cost sensorsDubai, United Arab Emirates
    49.1
  44. 43KatowiceSilesia, Poland
    49.1
  45. 45Tuen MunTuen Mun, Hong Kong
    48.3
  46. 46Bishkeklow-cost sensorsBishkek, Kyrgyzstan
    47.8
  47. 47AntananarivoAnalamanga, Madagascar
    47.3
  48. 48WrocławLower Silesia, Poland
    47.1
  49. 49RadomskoŁódź Voivodeship, Poland
    47.0
  50. 50San Tung Chung HangIslands, Hong Kong
    46.8
  51. 50FanlingNorth District, Hong Kong
    46.8
  52. 52Wan ChaiWan Chai, Hong Kong
    46.4
  53. 52Český TěšínMoravian-Silesian Region, Czechia
    46.4
  54. 54Zagreblow-cost sensorsZagreb, Croatia
    46.1
  55. 55Valašské MeziříčíZlín, Czechia
    45.2
  56. 56ShanghaiShanghai, China
    45.1
  57. 57Skarżysko-KamiennaŚwiętokrzyskie, Poland
    44.5
  58. 57LučenecBanská Bystrica Region, Slovakia
    44.5
  59. 57TřinecMoravian-Silesian Region, Czechia
    44.5
  60. 60Bangkoklow-cost sensorsBangkok, Thailand
    43.9
  61. 60SallanchesAuvergne-Rhône-Alpes, France
    43.9
  62. 62Tin Shui WaiYuen Long, Hong Kong
    43.8
  63. 63Tha BoNong Khai, Thailand
    43.1
  64. 64AshgabatAshgabat, Turkmenistan
    42.6
  65. 65StarachowiceŚwiętokrzyskie, Poland
    41.7
  66. 66DębicaSubcarpathia, Poland
    41.6
  67. 67Tai PoTai Po, Hong Kong
    41.5
  68. 68NegotinCentral Serbia, Serbia
    41.4
  69. 69KielceŚwiętokrzyskie, Poland
    41.1
  70. 69Jelenia GóraLower Silesia, Poland
    41.1
  71. 71NáchodHradec Králové Region, Czechia
    40.3
  72. 72Medina Estateslow-cost sensorsGreater Accra, Ghana
    39.9
  73. 73IrapuatoGuanajuato, Mexico
    39.5
  74. 74Chiang Mailow-cost sensorsChiang Mai, Thailand
    38.9
  75. 75Kwai ChungKwai Tsing District, Hong Kong
    38.7
  76. 76ZlínZlín, Czechia
    38.1
  77. 77Tsuen WanTsuen Wan, Hong Kong
    38.0
  78. 78OpavaMoravian-Silesian Region, Czechia
    37.7
  79. 79KutnoŁódź Voivodeship, Poland
    37.5
  80. 80PřerovOlomouc Region, Czechia
    37.2
  81. 81Mong KokYau Tsim Mong District, Hong Kong
    37.0
  82. 82Sha TinSha Tin, Hong Kong
    36.5
  83. 83HyderabadTelangana, India
    36.4
  84. 84VictoriaCentral and Western, Hong Kong
    36.3
  85. 85RadomMazovia, Poland
    36.2
  86. 85DziałdowoWarmia-Masuria, Poland
    36.2
  87. 87Debrecenlow-cost sensorsHajdú-Bihar, Hungary
    35.4
  88. 87ColomboWestern Province, Sri Lanka
    35.4
  89. 89CodleaBrașov County, Romania
    35.3
  90. 90Sham Shui PoSham Shui Po District, Hong Kong
    35.1
  91. 91RužomberokŽilina Region, Slovakia
    34.9
  92. 92RzeszówSubcarpathia, Poland
    34.5
  93. 93Silao de la VictoriaGuanajuato, Mexico
    34.3
  94. 94Sau Mau PingKwun Tong District, Hong Kong
    34.2
  95. 95Ciudad NezahualcoyotlMéxico, Mexico
    34.1
  96. 96BakuBaki, Azerbaijan
    34.0
  97. 97ŁódźŁódź Voivodeship, Poland
    33.4
  98. 98Cluj-NapocaCluj County, Romania
    33.2
  99. 98KazincbarcikaBorsod-Abaúj-Zemplén, Hungary
    33.2
  100. 100ŽilinaŽilina Region, Slovakia
    32.8
  101. 101AugustówPodlasie, Poland
    32.5
  102. 102ŻyrardówMazovia, Poland
    32.4
  103. 102EsztergomKomárom-Esztergom, Hungary
    32.4
  104. 104NiskoSubcarpathia, Poland
    32.1
  105. 105YangonYangon, Myanmar
    31.5
  106. 106AberdeenSouthern District, Hong Kong
    31.4
  107. 107MielecSubcarpathia, Poland
    31.3
  108. 107LublinLublin, Poland
    31.3
  109. 107ManlleuCatalonia, Spain
    31.3
  110. 110PančevoVojvodina, Serbia
    31.2
  111. 111FengshanTakao, Taiwan
    31.1
  112. 111NitraNitra Region, Slovakia
    31.1
  113. 113WawerMazovia, Poland
    31.0
  114. 114SereďTrnava Region, Slovakia
    30.9
  115. 115KrakówLesser Poland, Poland
    30.7
  116. 116BeijingBeijing, China
    30.4
  117. 116PúchovTrenčín Region, Slovakia
    30.4
  118. 116WłocławekKujawsko-Pomorskie, Poland
    30.4
  119. 119PezinokBratislava Region, Slovakia
    30.3
  120. 119LjubljanaLjubljana, Slovenia
    30.3
  121. 119Jurupa ValleyCalifornia, United States
    30.3
  122. 122ChaozhouTaiwan, Taiwan
    30.2
  123. 123ČadcaŽilina Region, Slovakia
    30.1
  124. 124Istanbullow-cost sensorsIstanbul, Turkey
    29.9
  125. 125JarosławSubcarpathia, Poland
    29.8
  126. 126TarnówLesser Poland, Poland
    29.7
  127. 126BerounCentral Bohemia, Czechia
    29.7
  128. 126CeljeUrban Municipality of Celje, Slovenia
    29.7
  129. 126Naucalpan de JuárezMéxico, Mexico
    29.7
  130. 130PruszkówMazovia, Poland
    29.6
  131. 131ZemunCentral Serbia, Serbia
    29.5
  132. 131ChennaiTamil Nadu, India
    29.5
  133. 133ShenyangLiaoning, China
    29.4
  134. 134JinchengFukien, Taiwan
    29.3
  135. 135SremčicaCentral Serbia, Serbia
    29.1
  136. 136Jacobo HunterArequipa, Peru
    28.9
  137. 136Santa Anita - Los FicusLima region, Peru
    28.9
  138. 138SmederevoCentral Serbia, Serbia
    28.8
  139. 138Molina de SeguraMurcia, Spain
    28.8
  140. 140KaohsiungTakao, Taiwan
    28.7
  141. 140OlomoucOlomouc Region, Czechia
    28.7
  142. 142CelayaGuanajuato, Mexico
    28.4
  143. 143Liptovský Mikulᚎilina Region, Slovakia
    28.2
  144. 144GyőrGyőr-Moson-Sopron, Hungary
    28.1
  145. 145KranjUrban Municipality of Kranj, Slovenia
    27.9
  146. 146Winterthurlow-cost sensorsZurich, Switzerland
    27.8
  147. 146Les AbymesGuadeloupe, Guadeloupe
    27.8
  148. 146León de los AldamaGuanajuato, Mexico
    27.8
  149. 149MurciaMurcia, Spain
    27.7
  150. 150PrzemyślSubcarpathia, Poland
    27.6
  151. 150Romans-sur-IsèreAuvergne-Rhône-Alpes, France
    27.6
  152. 152PoznańGreater Poland, Poland
    27.5
  153. 153TepliceÚstí nad Labem Region, Czechia
    27.4
  154. 154ObrenovacCentral Serbia, Serbia
    27.3
  155. 155Sevlievolow-cost sensorsGabrovo, Bulgaria
    27.2
  156. 155TrenčínTrenčín Region, Slovakia
    27.2
  157. 157Konstancin-JeziornaMazovia, Poland
    26.9
  158. 158TrbovljeMunicipality of Trbovlje, Slovenia
    26.8
  159. 159MartinŽilina Region, Slovakia
    26.7
  160. 159FutogVojvodina, Serbia
    26.7
  161. 161PilsenPlzeň Region, Czechia
    26.5
  162. 162LegionowoMazovia, Poland
    26.4
  163. 162KomárnoNitra Region, Slovakia
    26.4
  164. 164ZvolenBanská Bystrica Region, Slovakia
    26.1
  165. 165KigaliKigali, Rwanda
    25.9
  166. 165TrnavaTrnava Region, Slovakia
    25.9
  167. 165KroměřížZlín, Czechia
    25.9
  168. 168Mexico CityMexico City, Mexico
    25.8
  169. 169BelgradeCentral Serbia, Serbia
    25.7
  170. 170ZamośćLublin, Poland
    25.5
  171. 171KladnoCentral Bohemia, Czechia
    25.2
  172. 172Le RobertMartinique, Martinique
    25.1
  173. 173RiversideCalifornia, United States
    24.9
  174. 173BrossardQuebec, Canada
    24.9
  175. 175Botevgradlow-cost sensorsSofia, Bulgaria
    24.8
  176. 176Trois-RivièresQuebec, Canada
    24.7
  177. 177DěčínÚstí nad Labem Region, Czechia
    24.6
  178. 177ComptonCalifornia, United States
    24.6
  179. 179MiskolcBorsod-Abaúj-Zemplén, Hungary
    24.4
  180. 180AbasoloGuanajuato, Mexico
    24.3
  181. 181PhoenixArizona, United States
    24.2
  182. 182San Luis de la PazGuanajuato, Mexico
    24.1
  183. 183LyonAuvergne-Rhône-Alpes, France
    24.0
  184. 183ŻaryLubusz, Poland
    24.0
  185. 185České BudějoviceSouth Bohemian Region, Czechia
    23.8
  186. 186WarsawMazovia, Poland
    23.7
  187. 186PécsBaranya, Hungary
    23.7
  188. 186DunaújvárosFejér, Hungary
    23.7
  189. 186LitvínovÚstí nad Labem Region, Czechia
    23.7
  190. 186Novo MestoUrban Municipality of Novo Mesto, Slovenia
    23.7
  191. 191SenicaTrnava Region, Slovakia
    23.6
  192. 192JakartaJakarta, Indonesia
    23.4
  193. 193Columbialow-cost sensorsMissouri, United States
    23.2
  194. 194Addis AbabaAddis Ababa, Ethiopia
    23.1
  195. 194TijuanaBaja California, Mexico
    23.1
  196. 196PtujUrban Municipality of Ptuj, Slovenia
    23.0
  197. 196Rivière-des-Prairies–Pointe-aux-TremblesQuebec, Canada
    23.0
  198. 198VigoGalicia, Spain
    22.8
  199. 198Nepeanlow-cost sensorsOntario, Canada
    22.8
  200. 200PraguePrague, Czechia
    22.7

Top 200 of 2,128 shown.

Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+