SmogRank / History / week of June 19, 2023
Most polluted cities, week of June 19, 2023
1,317 cities ranked by their average PM2.5 over the 7 days; the worst was Coyhaique, Chile, at 188.2 µg/m³. A city needs measurements on 70% of the days to be ranked.
- North-eastern United States and Canada, June and July 202325 June to 2 July 2023, 8 days279 cities453Saguenay
- Illinois and Wisconsin, United States, June 202322 to 23 June 2023, 2 days18 cities51Green Bay
- Germany, Slovakia and 2 more countries, June 202320 to 21 June 2023, 2 days19 cities36Senica
- North-eastern United States and Canada, June 202314 to 19 June 2023, 6 days161 cities105Minneapolis
Bad-air episodes during week of June 19, 2023. All episodes.
← Coyhaique 188.2 µg/m³
150 µg/m³0
- 1CoyhaiqueAysén, Chile 263
- 2SaguenayQuebec, Canada 180
- 3NacimientoBiobio, Chile 172
- 4Puerto VarasLos Lagos Region, Chile 171
- 5North BayOntario, Canada 170
- 6TemucoAraucania, Chile 165
- 7Rouyn-NorandaQuebec, Canada 163
- 8Greater SudburyOntario, Canada 162
- 9CuranilahueBiobio, Chile 161
- 10OsornoLos Lagos Region, Chile 157
- 11LinaresMaule Region, Chile 157
- 12TlaquepaqueJalisco, Mexico 156
- 13Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan 155
- 14KaiserslauternRheinland-Pfalz, Germany 155
- 15San CarlosÑuble, Chile 154
- 16DushanbeDushanbe, Tajikistan 154
- 17HualpénBiobio, Chile 154
- 18ChillánÑuble, Chile 153
- 19Lahorelow-cost sensorsPunjab, Pakistan 151
- 20KigaliKigali, Rwanda 148
- 21Los ÁngelesBiobio, Chile 147
- 22Puerto MonttLos Lagos Region, Chile 145
- 23Puerto AysénAysén, Chile 145
- 24HualquiBiobio, Chile 140
- 25RengoO'Higgins Region, Chile 135
- 26Islamabadlow-cost sensorsIslamabad, Pakistan 132
- 27CuricóMaule Region, Chile 128
- 28La UniónLos Ríos Region, Chile 124
- 29Dhakalow-cost sensorsDhaka Division, Bangladesh 121
- 30Addis AbabaAddis Ababa, Ethiopia 121
- 30RancaguaO'Higgins Region, Chile 121
- 32JakartaJakarta, Indonesia 117
- 33CauquenesMaule Region, Chile 117
- 34SantiagoSantiago Metropolitan, Chile 108
- 35TalcaMaule Region, Chile 107
- 36ValdiviaLos Ríos Region, Chile 103
- 37Sault Ste. MarieOntario, Canada 102
- 38TalaganteSantiago Metropolitan, Chile 98
- 39TalcahuanoBiobio, Chile 97
- 40DelhiDelhi, India 97
- 41ShawiniganQuebec, Canada 96
- 42SarajevoFederation of B&H, Bosnia and Herzegovina 96
- 43PristinaPristina, Kosovo 95
- 43HyderabadTelangana, India 95
- 45Puente AltoSantiago Metropolitan, Chile 94
- 46CoronelBiobio, Chile 93
- 47ChennaiTamil Nadu, India 92
- 48OttawaOntario, Canada 90
- 49AshgabatAshgabat, Turkmenistan 90
- 50QuillotaValparaiso, Chile 88
- 51ManamaManama, Bahrain 88
- 52AntananarivoAnalamanga, Madagascar 88
- 53São PauloSão Paulo, Brazil 87
- 54Karachilow-cost sensorsSindh, Pakistan 87
- 54ToméBiobio, Chile 87
- 56Şabāḩ as SālimMubārak al Kabīr, Kuwait 86
- 57AppletonWisconsin, United States 86
- 58NairobiNairobi County, Kenya 84
- 59San Pedro de la PazBiobio, Chile 83
- 60ChiguayanteBiobio, Chile 83
- 61Green BayWisconsin, United States 82
- 62Rivière-des-Prairies–Pointe-aux-TremblesQuebec, Canada 82
- 63BrossardQuebec, Canada 81
- 64ConcepciónBiobio, Chile 80
- 65SalamancaGuanajuato, Mexico 80
- 66HanoiHanoi, Vietnam 80
- 66CelayaGuanajuato, Mexico 80
- 68SuperiorWisconsin, United States 80
- 69DuluthMinnesota, United States 80
- 70BeijingBeijing, China 79
- 70WaukeshaWisconsin, United States 79
- 70MontréalQuebec, Canada 79
- 73DrummondvilleQuebec, Canada 79
- 74CoquimboCoquimbo Region, Chile 78
- 74South MilwaukeeWisconsin, United States 78
- 76MadisonWisconsin, United States 78
- 77JolietIllinois, United States 77
- 78CopiapóAtacama, Chile 77
- 79MilwaukeeWisconsin, United States 77
- 80Viña del MarValparaiso, Chile 77
- 81NapervilleIllinois, United States 77
- 82LotaBiobio, Chile 77
- 82DorvalQuebec, Canada 77
- 82Saint-Jean-sur-RichelieuQuebec, Canada 77
- 85BloomingtonIllinois, United States 76
- 86SalorTashkent Region, Uzbekistan 76
- 87RockfordIllinois, United States 76
- 88Ciudad JuárezChihuahua, Mexico 75
- 89GranbyQuebec, Canada 75
- 89Trois-RivièresQuebec, Canada 75
- 91ShenyangLiaoning, China 75
- 91HammondIndiana, United States 75
- 91Fort St. JohnBritish Columbia, Canada 75
- 94L'Ancienne-LoretteQuebec, Canada 74
- 95ConcónValparaiso, Chile 74
- 96TrnavaTrnava Region, Slovakia 74
- 97Calumet CityIllinois, United States 73
- 98Alto HospicioTarapacá, Chile 72
- 99QuinteroValparaiso, Chile 72
- 99La SerenaCoquimbo Region, Chile 72
- 101DecaturIllinois, United States 72
- 101Des PlainesIllinois, United States 72
- 103KolkataWest Bengal, India 71
- 103CaryIllinois, United States 71
- 103Grande PrairieAlberta, Canada 71
- 106PrešovPrešov Region, Slovakia 71
- 106East ChicagoIndiana, United States 71
- 108ClintonIowa, United States 71
- 109ColomboWestern Province, Sri Lanka 71
- 109CornwallOntario, Canada 71
- 111HollandMichigan, United States 70
- 112IrapuatoGuanajuato, Mexico 70
- 112MolineIllinois, United States 70
- 114GuangzhouGuangdong, China 70
- 114NorthbrookIllinois, United States 70
- 116CalamaAntofagasta, Chile 69
- 117KošiceKošice Region, Slovakia 69
- 118NaplesCampania, Italy 69
- 118PortageIndiana, United States 69
- 120PesaroThe Marches, Italy 68
- 120BeneventoCampania, Italy 68
- 120AbasoloGuanajuato, Mexico 68
- 120Eau ClaireWisconsin, United States 68
- 124SpringfieldIllinois, United States 68
- 125Naucalpan de JuárezMéxico, Mexico 67
- 125DavenportIowa, United States 67
- 125Franklin ParkIllinois, United States 67
- 128Český TěšínMoravian-Silesian Region, Czechia 67
- 129MartinŽilina Region, Slovakia 67
- 129Iowa CityIowa, United States 67
- 129ChicagoIllinois, United States 67
- 129ZionIllinois, United States 67
- 129QuébecQuebec, Canada 67
- 134León de los AldamaGuanajuato, Mexico 67
- 135RužomberokŽilina Region, Slovakia 67
- 135East Saint LouisIllinois, United States 67
- 137NišCentral Serbia, Serbia 66
- 137La CrosseWisconsin, United States 66
- 139GaryIndiana, United States 66
- 140BakuBaki, Azerbaijan 66
- 140Kathmandulow-cost sensorsBagmati Province, Nepal 66
- 140MuscatineIowa, United States 66
- 143HavířovMoravian-Silesian Region, Czechia 65
- 144HumennéPrešov Region, Slovakia 65
- 144TocopillaAntofagasta, Chile 65
- 144SpringdaleArkansas, United States 65
- 144St. LouisMissouri, United States 65
- 148Grand RapidsMichigan, United States 65
- 149BratislavaBratislava Region, Slovakia 65
- 149WaterlooIowa, United States 65
- 151Nong KhaemBangkok, Thailand 65
- 151GrazStyria, Austria 65
- 151TeltowBrandenburg, Germany 65
- 151San Luis de la PazGuanajuato, Mexico 65
- 155EisenhüttenstadtBrandenburg, Germany 64
- 155BurnsvilleMinnesota, United States 64
- 157Spišská Nová VesKošice Region, Slovakia 64
- 157Kuala LumpurKuala Lumpur, Malaysia 64
- 157Ecatepec de MorelosMéxico, Mexico 64
- 157IndianapolisIndiana, United States 64
- 161Port ArthurTexas, United States 64
- 161South BendIndiana, United States 64
- 163RochesterMinnesota, United States 64
- 163EdmundstonNew Brunswick, Canada 64
- 165PécsBaranya, Hungary 63
- 165Little RockArkansas, United States 63
- 165AustinTexas, United States 63
- 168DěčínÚstí nad Labem Region, Czechia 63
- 169WolfsbergCarinthia, Austria 63
- 169PřerovOlomouc Region, Czechia 63
- 169GuanajuatoGuanajuato, Mexico 63
- 169HoustonTexas, United States 63
- 169Oak LawnIllinois, United States 63
- 174OstravaMoravian-Silesian Region, Czechia 63
- 174MostÚstí nad Labem Region, Czechia 63
- 174BaytownTexas, United States 63
- 177SliemaTas-Sliema, Malta 63
- 177NeuenhagenBrandenburg, Germany 63
- 177BerlinState of Berlin, Germany 63
- 177AnkenyIowa, United States 63
- 177MinneapolisMinnesota, United States 63
- 182Klagenfurt am WörtherseeCarinthia, Austria 63
- 182Frýdek-MístekMoravian-Silesian Region, Czechia 63
- 184AthensAttica, Greece 62
- 184Frankfurt (Oder)Brandenburg, Germany 62
- 184Bernau bei BerlinBrandenburg, Germany 62
- 187KadaňÚstí nad Labem Region, Czechia 62
- 187VigoGalicia, Spain 62
- 187LafayetteIndiana, United States 62
- 187Eagle PassTexas, United States 62
- 191VentspilsVentspils, Latvia 62
- 191Bang Bo DistrictSamut Prakan, Thailand 62
- 191BerounCentral Bohemia, Czechia 62
- 191Fort WorthTexas, United States 62
- 191Saint PaulMinnesota, United States 62
- 196PotsdamBrandenburg, Germany 62
- 196BohumínMoravian-Silesian Region, Czechia 62
- 196TrentoTrentino-Alto Adige, Italy 62
- 196LaredoTexas, United States 62
- 196Blankenfelde-MahlowBrandenburg, Germany 62
Top 200 of 1,317 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
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SmogRank, most polluted cities, PM2.5, week of June 19, 2023, smogrank.com/history/2023-W25 (accessed 2 Oct 2026).
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