SmogRank / History / July 1, 2024

Most polluted cities on July 1, 2024

1,692 cities ranked by their average PM2.5 over the day; the worst was San Carlos, Chile, at 137.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during July 1, 2024. All episodes.

← San Carlos 137.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for July 1, 2024, one column each, worst on the left and cleanest on the right; height is PM2.5 in µg/m³. Point at it to read a city; tap to open it.
  1. 1San CarlosÑuble, Chile
    2129.1×
  2. 2ChillánÑuble, Chile
    1826.7×
  3. 3OsornoLos Lagos Region, Chile
    1745.9×
  4. 4TalcahuanoBiobio, Chile
    1735.8×
  5. 5TalcaMaule Region, Chile
    1715.6×
  6. 6FairbanksAlaska, United States
    1665.1×
  7. 7Lahorelow-cost sensorsPunjab, Pakistan
    1655.0×
  8. 8RengoO'Higgins Region, Chile
    1614.6×
  9. 9CuricóMaule Region, Chile
    1604.5×
  10. 10Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1594.5×
  11. 10VillarricaAraucania, Chile
    1594.5×
  12. 12NacimientoBiobio, Chile
    1584.4×
  13. 13TalaganteSantiago Metropolitan, Chile
    1584.3×
  14. 14RancaguaO'Higgins Region, Chile
    1584.3×
  15. 15Puerto VarasLos Lagos Region, Chile
    1574.3×
  16. 16Puerto MonttLos Lagos Region, Chile
    1554.1×
  17. 17MaputoMaputo City, Mozambique
    1523.8×
  18. 18HualquiBiobio, Chile
    1513.7×
  19. 19Kampalalow-cost sensorsCentral Region, Uganda
    1503.7×
  20. 20Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa
    1493.7×
  21. 21Puerto AysénAysén, Chile
    1483.6×
  22. 22SantiagoSantiago Metropolitan, Chile
    1473.6×
  23. 23ConcepciónBiobio, Chile
    1453.6×
  24. 24CoronelBiobio, Chile
    1363.3×
  25. 25CauquenesMaule Region, Chile
    1363.3×
  26. 26BaghdadBaghdad, Iraq
    1343.3×
  27. 27ShenyangLiaoning, China
    1343.3×
  28. 28ToméBiobio, Chile
    1313.2×
  29. 29CuranilahueBiobio, Chile
    1293.1×
  30. 30CoyhaiqueAysén, Chile
    1283.1×
  31. 31BadgerAlaska, United States
    1263.1×
  32. 32JakartaJakarta, Indonesia
    1263.0×
  33. 33Santa Anita - Los FicusLima region, Peru
    1243.0×
  34. 34Şabāḩ as SālimMubārak al Kabīr, Kuwait
    1202.9×
  35. 35CairoCairo, Egypt
    1192.9×
  36. 36Dhakalow-cost sensorsDhaka Division, Bangladesh
    1182.8×
  37. 37ValdiviaLos Ríos Region, Chile
    1172.8×
  38. 38QuinteroValparaiso, Chile
    1162.8×
  39. 39QuillotaValparaiso, Chile
    1132.7×
  40. 40LotaBiobio, Chile
    1122.7×
  41. 41San Pedro de la PazBiobio, Chile
    1102.6×
  42. 42Los ÁngelesBiobio, Chile
    1092.6×
  43. 43BakuBaki, Azerbaijan
    1072.5×
  44. 44LimaLima Province, Peru
    1052.5×
  45. 45Viña del MarValparaiso, Chile
    1022.4×
  46. 46TemucoAraucania, Chile
    1012.4×
  47. 47TocopillaAntofagasta, Chile
    972.3×
  48. 48Addis AbabaAddis Ababa, Ethiopia
    962.2×
  49. 49Puente AltoSantiago Metropolitan, Chile
    942.2×
  50. 50Islamabadlow-cost sensorsIslamabad, Pakistan
    922.1×
  51. 51AricaArica y Parinacota Region, Chile
    922.1×
  52. 52ConcónValparaiso, Chile
    902.0×
  53. 53DelhiDelhi, India
    902.0×
  54. 54Ulan BatorUlaanbaatar, Mongolia
    892.0×
  55. 55Karachilow-cost sensorsSindh, Pakistan
    881.9×
  56. 56DushanbeDushanbe, Tajikistan
    881.9×
  57. 56Abujalow-cost sensorsFCT, Nigeria
    881.9×
  58. 58La SerenaCoquimbo Region, Chile
    871.9×
  59. 59ChiguayanteBiobio, Chile
    871.9×
  60. 60KolkataWest Bengal, India
    861.9×
  61. 61CopiapóAtacama, Chile
    861.9×
  62. 62Accralow-cost sensorsGreater Accra, Ghana
    851.8×
  63. 63AntananarivoAnalamanga, Madagascar
    841.8×
  64. 63Jacobo HunterArequipa, Peru
    841.8×
  65. 65BeijingBeijing, China
    821.7×
  66. 66SarajevoFederation of B&H, Bosnia and Herzegovina
    811.7×
  67. 66AntofagastaAntofagasta, Chile
    811.7×
  68. 68ShanghaiShanghai, China
    811.7×
  69. 69CoquimboCoquimbo Region, Chile
    801.7×
  70. 70Missouri CityTexas, United States
    791.6×
  71. 71Alto HospicioTarapacá, Chile
    781.6×
  72. 72HoustonTexas, United States
    781.6×
  73. 73Sunland ParkNew Mexico, United States
    771.5×
  74. 74Icheon-siGyeonggi-do, South Korea
    761.5×
  75. 74Corpus ChristiTexas, United States
    761.5×
  76. 76HanoiHanoi, Vietnam
    761.5×
  77. 77San Francisco De BorjaLima region, Peru
    761.5×
  78. 78PasadenaTexas, United States
    761.5×
  79. 79GalvestonTexas, United States
    751.5×
  80. 80BaytownTexas, United States
    751.5×
  81. 81KoesanNorth Chungcheong, South Korea
    751.5×
  82. 82La PorteTexas, United States
    751.5×
  83. 83Asunciónlow-cost sensorsAsuncion, Paraguay
    741.4×
  84. 84Chinch'ŏnNorth Chungcheong, South Korea
    741.4×
  85. 85JungpyongNorth Chungcheong, South Korea
    731.4×
  86. 85ConroeTexas, United States
    731.4×
  87. 87YauriCuzco Department, Peru
    711.3×
  88. 87Villa Poeta José Gálvez BarrenecheaLima region, Peru
    711.3×
  89. 89YeojuGyeonggi-do, South Korea
    711.3×
  90. 90Heroica MatamorosTamaulipas, Mexico
    711.3×
  91. 91Ang Mo Kio New TownSingapore
    711.3×
  92. 91PubalGyeonggi-do, South Korea
    711.3×
  93. 93ChungjuNorth Chungcheong, South Korea
    711.3×
  94. 93CalamaAntofagasta, Chile
    711.3×
  95. 95Jurong WestSingapore
    701.3×
  96. 96Live OakTexas, United States
    691.3×
  97. 97Mission BendTexas, United States
    691.3×
  98. 98YesanChungcheongnam-do, South Korea
    691.2×
  99. 98WŏnjuGangwon-do, South Korea
    691.2×
  100. 98SeonghwanChungcheongnam-do, South Korea
    691.2×
  101. 101BorCentral Serbia, Serbia
    691.2×
  102. 102ChocopeLa Libertad, Peru
    691.2×
  103. 103N'DjamenaN’Djaména, Chad
    681.2×
  104. 103Port ArthurTexas, United States
    681.2×
  105. 105PyeongtaekGyeonggi-do, South Korea
    681.2×
  106. 105LimaOhio, United States
    681.2×
  107. 107Debrecenlow-cost sensorsHajdú-Bihar, Hungary
    681.2×
  108. 107São PauloSão Paulo, Brazil
    681.2×
  109. 109CallaoCallao, Peru
    671.2×
  110. 110GapyeongGyeonggi-do, South Korea
    671.2×
  111. 111ĆuprijaCentral Serbia, Serbia
    671.2×
  112. 112UlsanUlsan, South Korea
    661.2×
  113. 112TangjinChungcheongnam-do, South Korea
    661.2×
  114. 112Hongch’ŏnGangwon-do, South Korea
    661.2×
  115. 112GwangmyeongGyeonggi-do, South Korea
    661.2×
  116. 116SangjuGyeongsangbuk-do, South Korea
    661.2×
  117. 117UžiceCentral Serbia, Serbia
    661.1×
  118. 118Donghae CityGangwon-do, South Korea
    661.1×
  119. 118AustinTexas, United States
    661.1×
  120. 120OsanGyeonggi-do, South Korea
    651.1×
  121. 121MumbaiMaharashtra, India
    651.1×
  122. 122SeoulSeoul, South Korea
    651.1×
  123. 122San AntonioTexas, United States
    651.1×
  124. 124AndongGyeongsangbuk-do, South Korea
    641.1×
  125. 124MonterreyNuevo León, Mexico
    641.1×
  126. 126HanamGyeonggi-do, South Korea
    641.1×
  127. 126EdinburgTexas, United States
    641.1×
  128. 128MiskolcBorsod-Abaúj-Zemplén, Hungary
    641.1×
  129. 128CheorwonGangwon-do, South Korea
    641.1×
  130. 130Gimpo-siGyeonggi-do, South Korea
    641.1×
  131. 131Novi PazarCentral Serbia, Serbia
    631.1×
  132. 131Bang NaBangkok, Thailand
    631.1×
  133. 133IncheonIncheon, South Korea
    631.0×
  134. 133HwadoGyeonggi-do, South Korea
    631.0×
  135. 133College StationTexas, United States
    631.0×
  136. 136ChimboteAncash, Peru
    631.0×
  137. 137HayangGyeongsangbuk-do, South Korea
    631.0×
  138. 138Queenstown Estatelow-cost sensorsSingapore
    631.0×
  139. 138MissionTexas, United States
    631.0×
  140. 138San MarcosTexas, United States
    631.0×
  141. 141EisenGyeongsangbuk-do, South Korea
    621.0×
  142. 141Imperial BeachCalifornia, United States
    621.0×
  143. 143WoodlandsSingapore
    621.0×
  144. 144AnseongGyeonggi-do, South Korea
    621.0×
  145. 145ValjevoCentral Serbia, Serbia
    621.0×
  146. 146Anyang-siGyeonggi-do, South Korea
    621.0×
  147. 146ImaichiTochigi, Japan
    621.0×
  148. 148Goyang-siGyeonggi-do, South Korea
    611.0×
  149. 148FontanaCalifornia, United States
    611.0×
  150. 150Bucheon-siGyeonggi-do, South Korea
    611.0×
  151. 150PohangGyeongsangbuk-do, South Korea
    611.0×
  152. 150BurbankCalifornia, United States
    611.0×
  153. 153Cadereyta JiménezNuevo León, Mexico
    611.0×
  154. 154Los AngelesCalifornia, United States
    611.0×
  155. 155Ciudad Benito JuárezNuevo León, Mexico
    611.0×
  156. 155BeltonTexas, United States
    611.0×
  157. 157YeongjuGyeongsangbuk-do, South Korea
    610.9×
  158. 158KraljevoCentral Serbia, Serbia
    600.9×
  159. 158Nong KhaemBangkok, Thailand
    600.9×
  160. 158GwangjuGyeonggi-do, South Korea
    600.9×
  161. 158Cheongju-siNorth Chungcheong, South Korea
    600.9×
  162. 158Twin FallsIdaho, United States
    600.9×
  163. 158Candler-McAfeeGeorgia, United States
    600.9×
  164. 164Guri-siGyeonggi-do, South Korea
    600.9×
  165. 164BrawleyCalifornia, United States
    600.9×
  166. 166ObrenovacCentral Serbia, Serbia
    600.9×
  167. 166AsanChungcheongnam-do, South Korea
    600.9×
  168. 166Banja LukaSrpska, Bosnia and Herzegovina
    600.9×
  169. 169BangkokBangkok, Thailand
    600.9×
  170. 169GongjuChungcheongnam-do, South Korea
    600.9×
  171. 169GijangBusan, South Korea
    600.9×
  172. 169NamyangjuGyeonggi-do, South Korea
    600.9×
  173. 169KatowiceSilesia, Poland
    600.9×
  174. 174GeorgetownTexas, United States
    600.9×
  175. 174Saphan SungBangkok, Thailand
    600.9×
  176. 176HyderabadTelangana, India
    590.9×
  177. 177TaylorTexas, United States
    590.9×
  178. 178LazarevacCentral Serbia, Serbia
    590.9×
  179. 178GlendoraCalifornia, United States
    590.9×
  180. 178RichmondCalifornia, United States
    590.9×
  181. 181DaejeonDaejeon, South Korea
    590.9×
  182. 181Ansan-siGyeonggi-do, South Korea
    590.9×
  183. 183MungyeongGyeongsangbuk-do, South Korea
    590.9×
  184. 183Hwaseong-siGyeonggi-do, South Korea
    590.9×
  185. 185BelgradeCentral Serbia, Serbia
    580.9×
  186. 185HongseongChungcheongnam-do, South Korea
    580.9×
  187. 185UngsangGyeongsangnam-do, South Korea
    580.9×
  188. 185El PasoTexas, United States
    580.9×
  189. 189Ganghwa-gunIncheon, South Korea
    580.9×
  190. 189CheonanChungcheongnam-do, South Korea
    580.9×
  191. 189Seongnam-siGyeonggi-do, South Korea
    580.9×
  192. 189ChikuseiIbaraki, Japan
    580.9×
  193. 193PirotCentral Serbia, Serbia
    580.9×
  194. 193GuangzhouGuangdong, China
    580.9×
  195. 193Eagle PassTexas, United States
    580.9×
  196. 196Samut SakhonSamut Sakhon, Thailand
    580.9×
  197. 196IksanJeollabuk-do, South Korea
    580.9×
  198. 196Khan Na YaoBangkok, Thailand
    580.9×
  199. 199WabuGyeonggi-do, South Korea
    580.8×
  200. 200NišCentral Serbia, Serbia
    580.8×

Top 200 of 1,692 shown.

Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

Not covered: the government monitoring networks of China and Turkey, which publish no terms that let us reuse their readings. Most cities there are missing from this board, not clean. Why.

Use this board

SmogRank, most polluted cities, PM2.5, July 1, 2024, smogrank.com/history/2024-07-01 (accessed 3 Oct 2026).

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