SmogRank / History / week of September 22, 2025
Most polluted cities, week of September 22, 2025
2,444 cities ranked by their average PM2.5 over the 7 days; the worst was Calexico, United States, at 253.1 µg/m³. A city needs measurements on 70% of the days to be ranked.
- 1CalexicoCalifornia, United States 253.1
- 2KanchipuramTamil Nadu, India 240.7
- 3Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan 98.5
- 4Blantyrelow-cost sensorsSouthern Region, Malawi 85.4
- 5CuddaloreTamil Nadu, India 84.7
- 6Gujranwalalow-cost sensorsPunjab, Pakistan 81.1
- 7UnderaGujarat, India 78.9
- 8DushanbeDushanbe, Tajikistan 76.2
- 9GummidipundiTamil Nadu, India 69.3
- 10WenatcheeWashington, United States 65.6
- 11Faisalabadlow-cost sensorsPunjab, Pakistan 65.0
- 12Sialkotlow-cost sensorsPunjab, Pakistan 64.9
- 13Multanlow-cost sensorsPunjab, Pakistan 63.6
- 14Lahorelow-cost sensorsPunjab, Pakistan 63.4
- 15LucknowUttar Pradesh, India 59.8
- 16BhāgalpurBihar, India 58.4
- 17BaddiHimachal Pradesh, India 56.8
- 18KarauliRajasthan, India 50.4
- 19BhiwadiRajasthan, India 49.9
- 20BānswāraRajasthan, India 48.7
- 21Islamabadlow-cost sensorsIslamabad, Pakistan 48.1
- 22NarelaDelhi, India 47.8
- 23MorādābādUttar Pradesh, India 44.9
- 24Rawalpindilow-cost sensorsPunjab, Pakistan 44.6
- 25MuzaffarnagarUttar Pradesh, India 44.4
- 26RasapūdipalemAndhra Pradesh, India 44.3
- 26HājīpurBihar, India 44.3
- 28MeerutUttar Pradesh, India 42.9
- 29GhāziābādUttar Pradesh, India 42.7
- 30DādriUttar Pradesh, India 41.8
- 31Greater NoidaUttar Pradesh, India 41.2
- 32Yellowknifelow-cost sensorsNorthwest Territories, Canada 40.3
- 33BāghpatUttar Pradesh, India 40.1
- 33JakartaJakarta, Indonesia 40.1
- 35TirupatiAndhra Pradesh, India 39.8
- 36TonkRajasthan, India 39.7
- 37HāpurUttar Pradesh, India 39.6
- 38AgraUttar Pradesh, India 39.2
- 39Dubailow-cost sensorsDubai, United Arab Emirates 38.8
- 40Bahawalpurlow-cost sensorsPunjab, Pakistan 38.6
- 40RoparPunjab, India 38.6
- 42KanpurUttar Pradesh, India 38.3
- 43BuxarBihar, India 38.0
- 43NoidaUttar Pradesh, India 38.0
- 45Addis AbabaAddis Ababa, Ethiopia 37.9
- 45Grants PassOregon, United States 37.9
- 47DelhiDelhi, India 37.8
- 48GwaliorMadhya Pradesh, India 37.5
- 49ChandigarhChandigarh, India 37.3
- 50SerilingampalleTelangana, India 36.6
- 51DhaulpurRajasthan, India 36.5
- 52Santa Anita - Los FicusLima region, Peru 36.4
- 53Vereeniginglow-cost sensorsGauteng, South Africa 36.3
- 53JalandharPunjab, India 36.3
- 55Aya NagarDelhi, India 35.8
- 56VapiGujarat, India 35.4
- 57ArāriaBihar, India 34.4
- 58Quettalow-cost sensorsBalochistan, Pakistan 33.8
- 59NalbāriAssam, India 33.6
- 60NagaonAssam, India 33.2
- 61JalgaonMaharashtra, India 33.1
- 61AnantapurAndhra Pradesh, India 33.1
- 61QuthbullapurTelangana, India 33.1
- 64ChāpraBihar, India 33.0
- 65JaipurRajasthan, India 32.7
- 65HanumāngarhRajasthan, India 32.7
- 67SaugorMadhya Pradesh, India 32.6
- 68GayaBihar, India 32.3
- 69KhargharMaharashtra, India 32.1
- 70PatnaBihar, India 31.7
- 71Wadgaon KolhatiMaharashtra, India 31.5
- 72NajafgarhDelhi, India 31.4
- 73Santa CatarinaNuevo León, Mexico 31.3
- 74JodaOdisha, India 31.0
- 75ChittorgarhRajasthan, India 30.2
- 76Karachilow-cost sensorsSindh, Pakistan 30.0
- 77ShenyangLiaoning, China 29.8
- 78RourkelaOdisha, India 29.6
- 79TiruchirappalliTamil Nadu, India 29.4
- 80Sri GanganagarRajasthan, India 29.0
- 81BharatpurRajasthan, India 28.8
- 82RānīganjWest Bengal, India 28.7
- 83AriyalūrTamil Nadu, India 28.0
- 84AnkleshwarGujarat, India 27.9
- 84AjmerRajasthan, India 27.9
- 84LimaLima Province, Peru 27.9
- 87San Francisco De BorjaLima region, Peru 27.7
- 88DausaRajasthan, India 27.6
- 89KalyānMaharashtra, India 27.5
- 90AngulOdisha, India 27.4
- 91NagpurMaharashtra, India 27.3
- 92BengaluruKarnataka, India 26.9
- 92AurangabadMaharashtra, India 26.9
- 94SiwānBihar, India 26.5
- 95BaripādaOdisha, India 26.2
- 96CallaoCallao, Peru 26.0
- 97ChāndaMaharashtra, India 25.5
- 98SirohiRajasthan, India 25.3
- 99PanvelMaharashtra, India 25.1
- 100BhopalMadhya Pradesh, India 24.7
- 100BārānRajasthan, India 24.7
- 102KolkataWest Bengal, India 23.9
- 102Royal Oaklow-cost sensorsMichigan, United States 23.9
- 104PatiālaPunjab, India 23.6
- 105Moses LakeWashington, United States 23.5
- 106MadikeriKarnataka, India 23.3
- 107BhilwaraRajasthan, India 22.9
- 108XonacatlánMéxico, Mexico 22.8
- 109NashikMaharashtra, India 22.6
- 110JabalpurMadhya Pradesh, India 22.5
- 110BadlapurMaharashtra, India 22.5
- 112BoisarMaharashtra, India 22.4
- 112Lagoslow-cost sensorsLagos, Nigeria 22.4
- 114SilcharAssam, India 21.9
- 115DhuleMaharashtra, India 21.8
- 116HyderabadTelangana, India 21.4
- 116PrayagrajUttar Pradesh, India 21.4
- 116Changchunlow-cost sensorsJilin, China 21.4
- 119ChennaiTamil Nadu, India 21.3
- 120Sawai MadhopurRajasthan, India 21.2
- 120KotaRajasthan, India 21.2
- 120BhiwandiMaharashtra, India 21.2
- 120CholulaPuebla, Mexico 21.2
- 120Coeur d'AleneIdaho, United States 21.2
- 125SīkarRajasthan, India 21.0
- 125ĀsansolWest Bengal, India 21.0
- 127AhmedabadGujarat, India 20.8
- 127Quezon Citylow-cost sensorsNational Capital Region, Philippines 20.8
- 129ParbhaniMaharashtra, India 20.6
- 129DūngarpurRajasthan, India 20.6
- 131VirārMaharashtra, India 20.5
- 132PratāpgarhRajasthan, India 20.4
- 133Istanbullow-cost sensorsIstanbul, Turkey 20.2
- 134JhunjhunūnRajasthan, India 20.1
- 135NandriRajasthan, India 19.7
- 136NaharlagunArunachal Pradesh, India 19.6
- 137MalegaonMaharashtra, India 19.5
- 137JalorRajasthan, India 19.5
- 137YuanlinTaiwan, Taiwan 19.5
- 137CuernavacaMorelos, Mexico 19.5
- 141BikanerRajasthan, India 19.4
- 142SalemTamil Nadu, India 19.3
- 142AkolaMaharashtra, India 19.3
- 142SarajevoFederation of B&H, Bosnia and Herzegovina 19.3
- 145AmravatiMaharashtra, India 19.2
- 146GandhinagarGujarat, India 19.1
- 147RairangpurOdisha, India 19.0
- 148Iloilolow-cost sensorsWestern Visayas, Philippines 18.9
- 149TirupparangunramTamil Nadu, India 18.8
- 149ShivamoggaKarnataka, India 18.8
- 149ErlunTaiwan, Taiwan 18.8
- 152HubballiKarnataka, India 18.7
- 152BhubaneswarOdisha, India 18.7
- 152YakimaWashington, United States 18.7
- 155GarcíaNuevo León, Mexico 18.6
- 156CoimbatoreTamil Nadu, India 18.5
- 156SaltilloCoahuila, Mexico 18.5
- 156LewistonIdaho, United States 18.5
- 156CranbrookBritish Columbia, Canada 18.5
- 156NavalpattuTamil Nadu, India 18.5
- 161Spokane ValleyWashington, United States 18.2
- 162SpokaneWashington, United States 17.9
- 163BhilaiChhattisgarh, India 17.7
- 163Almatylow-cost sensorsAlmaty, Kazakhstan 17.7
- 165RaipurChhattisgarh, India 17.6
- 165GudalurTamil Nadu, India 17.6
- 167RājsamandRajasthan, India 17.5
- 168JhālāwārRajasthan, India 17.4
- 169MumbaiMaharashtra, India 17.3
- 169DouliuTaiwan, Taiwan 17.3
- 169BeigangTaiwan, Taiwan 17.3
- 169SunnysideWashington, United States 17.3
- 173HaldiaWest Bengal, India 17.0
- 173San Salvador TizatlalliMéxico, Mexico 17.0
- 175KolhāpurMaharashtra, India 16.9
- 175ChanghuaTaiwan, Taiwan 16.9
- 175Fort McMurrayAlberta, Canada 16.9
- 178ThāneMaharashtra, India 16.7
- 178PuneMaharashtra, India 16.7
- 178BuziTaiwan, Taiwan 16.7
- 181CuttackOdisha, India 16.6
- 181Naucalpan de JuárezMéxico, Mexico 16.6
- 183AgartalaTripura, India 16.4
- 184Wan ChaiWan Chai, Hong Kong 16.3
- 184MoscowIdaho, United States 16.3
- 186EllensburgWashington, United States 16.2
- 187JodhpurRajasthan, India 16.1
- 187ErlinTaiwan, Taiwan 16.1
- 187LoznicaCentral Serbia, Serbia 16.1
- 190TaibaoTaiwan, Taiwan 16.0
- 190GijónAsturias, Spain 16.0
- 192GuwahatiAssam, India 15.9
- 192Ciudad Benito JuárezNuevo León, Mexico 15.9
- 194Torrejón de ArdozMadrid, Spain 15.8
- 194BarbilOdisha, India 15.8
- 196JaisalmerRajasthan, India 15.7
- 196TaichungTaiwan, Taiwan 15.7
- 198TetovoTetovo, North Macedonia 15.6
- 199MahādMaharashtra, India 15.4
- 200ChūruRajasthan, India 15.3
Top 200 of 2,444 shown.
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+