SmogRank / History / October 18, 2024
Most polluted cities on October 18, 2024
2,285 cities ranked by their average PM2.5 over the day; the worst was Lahore, Pakistan, at 222.0 µg/m³. Each city's own local calendar day.
← Lahore 222.0 µg/m³
200 µg/m³15 WHO 24-hour guideline
- 1Lahorelow-cost sensorsPunjab, Pakistan 29714.8×
- 2TraunreutBavaria, Germany 27913.6×
- 3Kinshasalow-cost sensorsKinshasa, Democratic Republic of the Congo 2179.5×
- 4Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan 2068.7×
- 5Kampalalow-cost sensorsCentral Region, Uganda 1846.8×
- 6DelhiDelhi, India 1816.5×
- 7Kathmandulow-cost sensorsBagmati Province, Nepal 1745.9×
- 8Dhakalow-cost sensorsDhaka Division, Bangladesh 1745.9×
- 9GulfportMississippi, United States 1725.7×
- 10Islamabadlow-cost sensorsIslamabad, Pakistan 1624.8×
- 11AstanaAstana, Kazakhstan 1624.8×
- 12Şabāḩ as SālimMubārak al Kabīr, Kuwait 1604.5×
- 13Banja LukaSrpska, Bosnia and Herzegovina 1564.2×
- 14Santa Anita - Los FicusLima region, Peru 1433.5×
- 15AshgabatAshgabat, Turkmenistan 1403.4×
- 16BaghdadBaghdad, Iraq 1283.1×
- 17UžiceCentral Serbia, Serbia 1182.8×
- 18BeijingBeijing, China 1142.7×
- 19TravnikFederation of B&H, Bosnia and Herzegovina 1142.7×
- 20HanoiHanoi, Vietnam 1102.6×
- 21Novi PazarCentral Serbia, Serbia 1092.6×
- 22ValjevoCentral Serbia, Serbia 1082.6×
- 23LimaLima Province, Peru 1042.5×
- 24CairoCairo, Egypt 1032.4×
- 25DushanbeDushanbe, Tajikistan 1022.4×
- 26NegotinCentral Serbia, Serbia 1002.4×
- 27MumbaiMaharashtra, India 992.3×
- 28YangonYangon, Myanmar 992.3×
- 29Puerto VarasLos Lagos Region, Chile 982.3×
- 30Bang NaBangkok, Thailand 982.3×
- 31Villa Poeta José Gálvez BarrenecheaLima region, Peru 982.3×
- 32San Francisco De BorjaLima region, Peru 952.2×
- 33Addis AbabaAddis Ababa, Ethiopia 952.2×
- 34RacibórzSilesia, Poland 942.2×
- 35ŻywiecSilesia, Poland 942.1×
- 36ZhushanTaiwan, Taiwan 932.1×
- 37Little RockArkansas, United States 932.1×
- 38Nong KhaemBangkok, Thailand 932.1×
- 39SalorTashkent Region, Uzbekistan 922.1×
- 40Karachilow-cost sensorsSindh, Pakistan 922.1×
- 41ShanghaiShanghai, China 912.0×
- 42PuliTaiwan, Taiwan 902.0×
- 43GuangzhouGuangdong, China 902.0×
- 44KigaliKigali, Rwanda 892.0×
- 45Ban Samae DamBangkok, Thailand 881.9×
- 46SarajevoFederation of B&H, Bosnia and Herzegovina 881.9×
- 47Ang Mo Kio New TownSingapore 881.9×
- 47ColumbusOhio, United States 881.9×
- 49Lat KrabangBangkok, Thailand 881.9×
- 50N'DjamenaN’Djaména, Chad 871.9×
- 51AntananarivoAnalamanga, Madagascar 861.9×
- 52Puente AltoSantiago Metropolitan, Chile 851.8×
- 53DouliuTaiwan, Taiwan 851.8×
- 54SantiagoSantiago Metropolitan, Chile 841.8×
- 55NantouTaiwan, Taiwan 841.8×
- 55MonsWallonia, Belgium 841.8×
- 57CallaoCallao, Peru 841.8×
- 58Wan ChaiWan Chai, Hong Kong 831.7×
- 59BuziTaiwan, Taiwan 831.7×
- 60KolkataWest Bengal, India 821.7×
- 60XinyingTaiwan, Taiwan 821.7×
- 60Victoria de DurangoDurango, Mexico 821.7×
- 63ErlunTaiwan, Taiwan 811.7×
- 63Bielsko-BialaSilesia, Poland 811.7×
- 65TaichungTaiwan, Taiwan 811.7×
- 66ConcónValparaiso, Chile 811.7×
- 67BeigangTaiwan, Taiwan 811.7×
- 68DejCluj County, Romania 801.6×
- 68OsornoLos Lagos Region, Chile 801.6×
- 68YumaArizona, United States 801.6×
- 71CoyhaiqueAysén, Chile 801.6×
- 72Chiayi CityTaiwan, Taiwan 801.6×
- 72Medina Estateslow-cost sensorsGreater Accra, Ghana 801.6×
- 72Jastrzębie ZdrójSilesia, Poland 801.6×
- 75FengshanTakao, Taiwan 791.6×
- 76CoronelBiobio, Chile 781.6×
- 77XizhouTaiwan, Taiwan 781.6×
- 77ChanghuaTaiwan, Taiwan 781.6×
- 77HualpénBiobio, Chile 781.6×
- 80QuinteroValparaiso, Chile 781.6×
- 81Saphan SungBangkok, Thailand 781.6×
- 82Falconara MarittimaThe Marches, Italy 771.6×
- 82VillarricaAraucania, Chile 771.6×
- 84ToméBiobio, Chile 771.5×
- 85SzczecinWest Pomerania, Poland 771.5×
- 85ChiguayanteBiobio, Chile 771.5×
- 87HavířovMoravian-Silesian Region, Czechia 761.5×
- 88RixensartWallonia, Belgium 761.5×
- 88Jacobo HunterArequipa, Peru 761.5×
- 88Columbialow-cost sensorsMissouri, United States 761.5×
- 88Khan Na YaoBangkok, Thailand 761.5×
- 92Puerto MonttLos Lagos Region, Chile 761.5×
- 93Viña del MarValparaiso, Chile 761.5×
- 94QuilpuéValparaiso, Chile 751.5×
- 95QuillotaValparaiso, Chile 751.5×
- 96PrešovPrešov Region, Slovakia 751.5×
- 96YongkangTaiwan, Taiwan 751.5×
- 96TalaganteSantiago Metropolitan, Chile 751.5×
- 99ErlinTaiwan, Taiwan 751.5×
- 99AarschotFlanders, Belgium 751.5×
- 101Jurong WestSingapore 741.4×
- 101NijmegenGelderland, The Netherlands 741.4×
- 101Wodzisław ŚląskiSilesia, Poland 741.4×
- 104Bueng KumBangkok, Thailand 731.4×
- 105NacimientoBiobio, Chile 731.4×
- 106Nong ChokBangkok, Thailand 731.4×
- 107TainanTaiwan, Taiwan 731.4×
- 108ChennaiTamil Nadu, India 721.4×
- 108KaohsiungTakao, Taiwan 721.4×
- 108CórdobaAndalusia, Spain 721.4×
- 111AntofagastaAntofagasta, Chile 721.4×
- 112BangkokBangkok, Thailand 721.4×
- 112MartinŽilina Region, Slovakia 721.4×
- 112ValdiviaLos Ríos Region, Chile 721.4×
- 115IaşiIași County, Romania 711.3×
- 116ZaventemFlanders, Belgium 711.3×
- 116RengoO'Higgins Region, Chile 711.3×
- 118Bang KapiBangkok, Thailand 711.3×
- 119Ganghwa-gunIncheon, South Korea 711.3×
- 120MiaoliTaiwan, Taiwan 701.3×
- 120GimcheonGyeongsangbuk-do, South Korea 701.3×
- 120La SerenaCoquimbo Region, Chile 701.3×
- 123RēzekneRēzekne, Latvia 701.3×
- 123Ban Khlong PrawetBangkok, Thailand 701.3×
- 123AugsburgBavaria, Germany 701.3×
- 126KazincbarcikaBorsod-Abaúj-Zemplén, Hungary 701.3×
- 126PrzemyślSubcarpathia, Poland 701.3×
- 126Gimpo-siGyeonggi-do, South Korea 701.3×
- 126IndianapolisIndiana, United States 701.3×
- 130JinchengFukien, Taiwan 701.3×
- 130ChaozhouTaiwan, Taiwan 701.3×
- 130ChillánÑuble, Chile 701.3×
- 133GrimbergenFlanders, Belgium 691.3×
- 133LučenecBanská Bystrica Region, Slovakia 691.3×
- 133BogotáBogota D.C., Colombia 691.3×
- 133Khlong Sam WaBangkok, Thailand 691.3×
- 137Vientianelow-cost sensorsVientiane Prefecture, Laos 691.3×
- 137WoodlandsSingapore 691.3×
- 137BrusselsBrussels Capital, Belgium 691.3×
- 137Halle (Saale)Saxony-Anhalt, Germany 691.3×
- 137CuricóMaule Region, Chile 691.3×
- 142VilniusVilnius, Lithuania 691.3×
- 142MiskolcBorsod-Abaúj-Zemplén, Hungary 691.3×
- 142TaibaoTaiwan, Taiwan 691.3×
- 142DaxiTaiwan, Taiwan 691.3×
- 142HualquiBiobio, Chile 691.3×
- 142WittenbergSaxony-Anhalt, Germany 691.3×
- 148DetroitMichigan, United States 691.2×
- 149TalcahuanoBiobio, Chile 691.2×
- 149RancaguaO'Higgins Region, Chile 691.2×
- 149Lak SiBangkok, Thailand 691.2×
- 152Istanbullow-cost sensorsIstanbul, Turkey 691.2×
- 152AricaArica y Parinacota Region, Chile 691.2×
- 152BirminghamAlabama, United States 691.2×
- 155HasseltFlanders, Belgium 681.2×
- 155OpoleOpole Voivodeship, Poland 681.2×
- 155TocopillaAntofagasta, Chile 681.2×
- 158TemucoAraucania, Chile 681.2×
- 158RedfordMichigan, United States 681.2×
- 160SaijōEhime, Japan 681.2×
- 160EindhovenNorth Brabant, The Netherlands 681.2×
- 160BernburgSaxony-Anhalt, Germany 681.2×
- 160KatowiceSilesia, Poland 681.2×
- 160Sioux FallsSouth Dakota, United States 681.2×
- 165HayangGyeongsangbuk-do, South Korea 681.2×
- 165NeubrandenburgMecklenburg-Vorpommern, Germany 681.2×
- 165Saint-QuentinHauts-de-France, France 681.2×
- 165BerounCentral Bohemia, Czechia 681.2×
- 165CauquenesMaule Region, Chile 681.2×
- 165ShikokuchūōEhime, Japan 681.2×
- 171SpeyerRheinland-Pfalz, Germany 681.2×
- 171DessauSaxony-Anhalt, Germany 681.2×
- 171ChocopeLa Libertad, Peru 681.2×
- 171CopiapóAtacama, Chile 681.2×
- 175ToufenTaiwan, Taiwan 671.2×
- 175YeojuGyeonggi-do, South Korea 671.2×
- 175OurenseGalicia, Spain 671.2×
- 175San Pedro de la PazBiobio, Chile 671.2×
- 179MolFlanders, Belgium 671.2×
- 179TeltowBrandenburg, Germany 671.2×
- 179PilsenPlzeň Region, Czechia 671.2×
- 179CoquimboCoquimbo Region, Chile 671.2×
- 183Queenstown Estatelow-cost sensorsSingapore 671.2×
- 183Alto HospicioTarapacá, Chile 671.2×
- 185CheorwonGangwon-do, South Korea 671.2×
- 185MagdeburgSaxony-Anhalt, Germany 671.2×
- 185ConcepciónBiobio, Chile 671.2×
- 188Neu-UlmBavaria, Germany 661.2×
- 188MostÚstí nad Labem Region, Czechia 661.2×
- 190UlmBaden-Wurttemberg, Germany 661.2×
- 190GdyniaPomerania, Poland 661.2×
- 192NiihamaEhime, Japan 661.1×
- 192BerlinState of Berlin, Germany 661.1×
- 192Ústí nad LabemÚstí nad Labem Region, Czechia 661.1×
- 192Zielona GóraLubusz, Poland 661.1×
- 196HalstenbekSchleswig-Holstein, Germany 661.1×
- 196HalberstadtSaxony-Anhalt, Germany 661.1×
- 196Czechowice-DziedziceSilesia, Poland 661.1×
- 196TalcaMaule Region, Chile 661.1×
- 200CharleroiWallonia, Belgium 661.1×
Top 200 of 2,285 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, October 18, 2024, smogrank.com/history/2024-10-18 (accessed 3 Oct 2026).
You're welcome to reuse a single chart, image or figure with this citation and a link. Terms.