SmogRank / History / July 19, 2024
Most polluted cities on July 19, 2024
2,180 cities ranked by their average PM2.5 over the day; the worst was Fort St. John, Canada, at 305.0 µg/m³. Each city's own local calendar day.
← Fort St. John 305.0 µg/m³
300 µg/m³15 WHO 24-hour guideline
- 1Fort St. JohnBritish Columbia, Canada 45920.3×
- 2Fort McMurrayAlberta, Canada 26812.9×
- 3Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo 2109.0×
- 4CoyhaiqueAysén, Chile 1887.2×
- 5Lahorelow-cost sensorsPunjab, Pakistan 1634.9×
- 6Puerto VarasLos Lagos Region, Chile 1634.8×
- 7ValdiviaLos Ríos Region, Chile 1624.7×
- 8Kampalalow-cost sensorsCentral Region, Uganda 1533.8×
- 9Şabāḩ as SālimMubārak al Kabīr, Kuwait 1483.6×
- 10QuillotaValparaiso, Chile 1453.6×
- 11SantiagoSantiago Metropolitan, Chile 1363.3×
- 12Santa Anita - Los FicusLima region, Peru 1313.2×
- 13Puente AltoSantiago Metropolitan, Chile 1313.2×
- 14HualquiBiobio, Chile 1303.2×
- 15La UniónLos Ríos Region, Chile 1263.0×
- 16LimaLima Province, Peru 1243.0×
- 17AntananarivoAnalamanga, Madagascar 1243.0×
- 18TalaganteSantiago Metropolitan, Chile 1212.9×
- 19RancaguaO'Higgins Region, Chile 1172.8×
- 20Puerto AysénAysén, Chile 1162.8×
- 21CairoCairo, Egypt 1142.7×
- 22StrumicaStrumica, North Macedonia 1142.7×
- 23JakartaJakarta, Indonesia 1132.7×
- 23OsornoLos Lagos Region, Chile 1132.7×
- 25TemucoAraucania, Chile 1102.6×
- 26Addis AbabaAddis Ababa, Ethiopia 1072.5×
- 27VillarricaAraucania, Chile 1062.5×
- 28CoronelBiobio, Chile 1022.4×
- 28San Francisco De BorjaLima region, Peru 1022.4×
- 30ChiguayanteBiobio, Chile 1012.4×
- 31RengoO'Higgins Region, Chile 992.3×
- 32EdmontonAlberta, Canada 982.3×
- 33QuilpuéValparaiso, Chile 982.3×
- 34BitolaBitola, North Macedonia 982.3×
- 35ToméBiobio, Chile 962.2×
- 36São PauloSão Paulo, Brazil 962.2×
- 37QuinteroValparaiso, Chile 952.2×
- 38CuranilahueBiobio, Chile 942.2×
- 39BeijingBeijing, China 932.1×
- 40CallaoCallao, Peru 922.1×
- 41CuricóMaule Region, Chile 922.1×
- 42TalcahuanoBiobio, Chile 912.1×
- 43CauquenesMaule Region, Chile 902.0×
- 44Viña del MarValparaiso, Chile 902.0×
- 45NacimientoBiobio, Chile 902.0×
- 46HualpénBiobio, Chile 892.0×
- 46St. AlbertAlberta, Canada 892.0×
- 48MeridianIdaho, United States 881.9×
- 49TakasakiGunma, Japan 881.9×
- 50SarajevoFederation of B&H, Bosnia and Herzegovina 861.9×
- 51DushanbeDushanbe, Tajikistan 861.9×
- 52AricaArica y Parinacota Region, Chile 861.9×
- 53HanoiHanoi, Vietnam 861.8×
- 54Los ÁngelesBiobio, Chile 851.8×
- 55AntofagastaAntofagasta, Chile 851.8×
- 56KavadarciKavadarci, North Macedonia 851.8×
- 57Los AngelesCalifornia, United States 841.8×
- 58ChillánÑuble, Chile 841.8×
- 58Jacobo HunterArequipa, Peru 841.8×
- 60ConcónValparaiso, Chile 841.8×
- 61Islamabadlow-cost sensorsIslamabad, Pakistan 841.8×
- 62CopiapóAtacama, Chile 831.8×
- 63Puerto MonttLos Lagos Region, Chile 831.8×
- 64Karachilow-cost sensorsSindh, Pakistan 831.7×
- 65ChimboteAncash, Peru 821.7×
- 66ŌmeTokyo, Japan 821.7×
- 67ShanghaiShanghai, China 811.7×
- 68TalcaMaule Region, Chile 811.7×
- 69Asunciónlow-cost sensorsAsuncion, Paraguay 801.7×
- 70MitoIbaraki, Japan 801.7×
- 70BoiseIdaho, United States 801.7×
- 72ConcepciónBiobio, Chile 801.6×
- 73WillebroekFlanders, Belgium 791.6×
- 74MaputoMaputo City, Mozambique 791.6×
- 74IrumaSaitama, Japan 791.6×
- 76NampaIdaho, United States 781.6×
- 77KiryūGunma, Japan 781.6×
- 78Villa Poeta José Gálvez BarrenecheaLima region, Peru 781.6×
- 79CalgaryAlberta, Canada 771.5×
- 80ShibukawaGunma, Japan 771.5×
- 80Kodamachō-kodamaminamiSaitama, Japan 771.5×
- 80ChocopeLa Libertad, Peru 771.5×
- 83ThessaloníkiCentral Macedonia, Greece 761.5×
- 84YaitaTochigi, Japan 761.5×
- 85TatebayashiGunma, Japan 751.5×
- 86NasukarasuyamaTochigi, Japan 751.5×
- 87KanumaTochigi, Japan 751.5×
- 88SanoTochigi, Japan 751.5×
- 88ChikuseiIbaraki, Japan 751.5×
- 90MorohongōSaitama, Japan 741.4×
- 90BolzanoTrentino-Alto Adige, Italy 741.4×
- 90CoquimboCoquimbo Region, Chile 741.4×
- 93MenumaSaitama, Japan 741.4×
- 94MilanLombardy, Italy 741.4×
- 94TocopillaAntofagasta, Chile 741.4×
- 94Grande PrairieAlberta, Canada 741.4×
- 97Sherwood ParkAlberta, Canada 741.4×
- 98MissoulaMontana, United States 741.4×
- 99Sakai-nakajimaGunma, Japan 741.4×
- 100HonjōSaitama, Japan 731.4×
- 100GyōdaSaitama, Japan 731.4×
- 100CalamaAntofagasta, Chile 731.4×
- 103LazarevacCentral Serbia, Serbia 731.4×
- 103NumataGunma, Japan 731.4×
- 103MissionTexas, United States 731.4×
- 106Bang NaBangkok, Thailand 731.4×
- 106DunkirkHauts-de-France, France 731.4×
- 108VelesVeles, North Macedonia 721.4×
- 108Novi PazarCentral Serbia, Serbia 721.4×
- 108HelenaMontana, United States 721.4×
- 111OyamaTochigi, Japan 721.4×
- 111AshikagaTochigi, Japan 721.4×
- 111MookaTochigi, Japan 721.4×
- 111YamanashiYamanashi, Japan 721.4×
- 115TochigiTochigi, Japan 721.4×
- 115ChichibuSaitama, Japan 721.4×
- 115Falconara MarittimaThe Marches, Italy 721.4×
- 115Les AbymesGuadeloupe, Guadeloupe 721.4×
- 119YoriiSaitama, Japan 721.4×
- 120KaminokawaTochigi, Japan 721.3×
- 121GostivarGostivar, North Macedonia 711.3×
- 121UtsunomiyaTochigi, Japan 711.3×
- 121AsahikawaHokkaido, Japan 711.3×
- 121Alto HospicioTarapacá, Chile 711.3×
- 121FontanaCalifornia, United States 711.3×
- 126MarigotSaint Martin 711.3×
- 126YauriCuzco Department, Peru 711.3×
- 128BendOregon, United States 711.3×
- 129NakanojōGunma, Japan 711.3×
- 129ShirakawaFukushima, Japan 711.3×
- 131KasamaIbaraki, Japan 701.3×
- 131LotaBiobio, Chile 701.3×
- 133ComoLombardy, Italy 701.3×
- 133AkishimaTokyo, Japan 701.3×
- 135YokotaTokyo, Japan 701.3×
- 135San Pedro de la PazBiobio, Chile 701.3×
- 137TomiokaGunma, Japan 701.3×
- 137SayamaSaitama, Japan 701.3×
- 137UžiceCentral Serbia, Serbia 701.3×
- 137Prince GeorgeBritish Columbia, Canada 701.3×
- 141ManamaManama, Bahrain 691.3×
- 141HannōSaitama, Japan 691.3×
- 141KomárnoNitra Region, Slovakia 691.3×
- 144KasaokaOkayama, Japan 691.3×
- 145ButteMontana, United States 691.2×
- 145SheridanWyoming, United States 691.2×
- 145Higashi-MatsuyamaSaitama, Japan 691.2×
- 148IgusaSaitama, Japan 691.2×
- 148IwakiFukushima, Japan 691.2×
- 148KoksijdeFlanders, Belgium 691.2×
- 151OgawamachiSaitama, Japan 681.2×
- 151Accralow-cost sensorsGreater Accra, Ghana 681.2×
- 153Wan ChaiWan Chai, Hong Kong 681.2×
- 153KumagayaSaitama, Japan 681.2×
- 153Abujalow-cost sensorsFCT, Nigeria 681.2×
- 153JōetsuNiigata, Japan 681.2×
- 157Great FallsMontana, United States 681.2×
- 158TetovoTetovo, North Macedonia 671.2×
- 158Kathmandulow-cost sensorsBagmati Province, Nepal 671.2×
- 158KazoSaitama, Japan 671.2×
- 158RoveretoTrentino-Alto Adige, Italy 671.2×
- 162ŌtaGunma, Japan 671.2×
- 162NasushiobaraTochigi, Japan 671.2×
- 164Debrecenlow-cost sensorsHajdú-Bihar, Hungary 671.2×
- 164TokorozawaSaitama, Japan 671.2×
- 166GwangmyeongGyeonggi-do, South Korea 671.2×
- 166ReginaSaskatchewan, Canada 671.2×
- 168SeoulSeoul, South Korea 661.2×
- 168SakadoSaitama, Japan 661.2×
- 170Goyang-siGyeonggi-do, South Korea 661.1×
- 170NitraNitra Region, Slovakia 661.1×
- 170Inglewoodlow-cost sensorsCalifornia, United States 661.1×
- 170Twin FallsIdaho, United States 661.1×
- 174KaiserslauternRheinland-Pfalz, Germany 661.1×
- 174MostÚstí nad Labem Region, Czechia 661.1×
- 174TrentoTrentino-Alto Adige, Italy 661.1×
- 177KōriyamaFukushima, Japan 661.1×
- 177's-GravenzandeSouth Holland, The Netherlands 661.1×
- 177SereďTrnava Region, Slovakia 661.1×
- 177AirdrieAlberta, Canada 661.1×
- 181Carsonlow-cost sensorsCalifornia, United States 651.1×
- 182KōnosuSaitama, Japan 651.1×
- 182Jurong WestSingapore 651.1×
- 182BakersfieldCalifornia, United States 651.1×
- 185EisenGyeongsangbuk-do, South Korea 651.1×
- 185CheorwonGangwon-do, South Korea 651.1×
- 185PezinokBratislava Region, Slovakia 651.1×
- 185SaskatoonSaskatchewan, Canada 651.1×
- 189KawagoeSaitama, Japan 651.1×
- 190KragujevacCentral Serbia, Serbia 651.1×
- 190EindhovenNorth Brabant, The Netherlands 651.1×
- 190StarnbergBavaria, Germany 651.1×
- 193CatañoCataño, Puerto Rico 641.1×
- 193CranbrookBritish Columbia, Canada 641.1×
- 195KraljevoCentral Serbia, Serbia 641.1×
- 195NamyangjuGyeonggi-do, South Korea 641.1×
- 197AshgabatAshgabat, Turkmenistan 641.1×
- 197Shimo-tsumaIbaraki, Japan 641.1×
- 197Ulu BedokSingapore 641.1×
- 197Hawthornelow-cost sensorsCalifornia, United States 641.1×
Top 200 of 2,180 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 19, 2024, smogrank.com/history/2024-07-19 (accessed 3 Oct 2026).
You're welcome to reuse a single chart, image or figure with this citation and a link. Terms.