SmogRank / History / July 20, 2025
Most polluted cities on July 20, 2025
2,539 cities ranked by their average PM2.5 over the day; the worst was Arāria, India, at 243.0 µg/m³. Each city's own local calendar day.
Bad-air episodes during July 20, 2025. All episodes.
← Arāria 243.0 µg/m³
200 µg/m³15 WHO 24-hour guideline
- 1ArāriaBihar, India 33616.2×
- 2SaugorMadhya Pradesh, India 28413.9×
- 3Puerto MonttLos Lagos Region, Chile 2179.5×
- 4LinaresMaule Region, Chile 1937.7×
- 5VillarricaAraucania, Chile 1897.3×
- 6Puerto VarasLos Lagos Region, Chile 1897.3×
- 7CuricóMaule Region, Chile 1796.4×
- 8TemucoAraucania, Chile 1776.2×
- 9JodaOdisha, India 1735.8×
- 10BhelaiChhattisgarh, India 1725.7×
- 11CoronelBiobio, Chile 1705.5×
- 12DushanbeDushanbe, Tajikistan 1665.1×
- 13KigaliKigali, Rwanda 1665.1×
- 14NacimientoBiobio, Chile 1655.0×
- 15UnderaGujarat, India 1655.0×
- 16QuilpuéValparaiso, Chile 1644.9×
- 17RancaguaO'Higgins Region, Chile 1634.8×
- 18Gujranwalalow-cost sensorsPunjab, Pakistan 1624.7×
- 19TalaganteSantiago Metropolitan, Chile 1624.7×
- 20RengoO'Higgins Region, Chile 1614.7×
- 21GobindgarhPunjab, India 1614.6×
- 22Fort McMurrayAlberta, Canada 1604.6×
- 23SantiagoSantiago Metropolitan, Chile 1604.5×
- 24TalcaMaule Region, Chile 1564.2×
- 25ValdiviaLos Ríos Region, Chile 1564.1×
- 26GayaBihar, India 1554.1×
- 27GummidipundiTamil Nadu, India 1554.1×
- 28Sialkotlow-cost sensorsPunjab, Pakistan 1523.8×
- 29Sri GanganagarRajasthan, India 1523.8×
- 30OsornoLos Lagos Region, Chile 1523.8×
- 31HualpénBiobio, Chile 1523.8×
- 32NagapattinamTamil Nadu, India 1513.7×
- 33QuillotaValparaiso, Chile 1513.7×
- 34HualquiBiobio, Chile 1453.5×
- 35HafnarfjörðurCapital Region, Iceland 1443.5×
- 36Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan 1443.5×
- 36CoyhaiqueAysén, Chile 1443.5×
- 38CholulaPuebla, Mexico 1423.5×
- 39Rawalpindilow-cost sensorsPunjab, Pakistan 1373.4×
- 40Los ÁngelesBiobio, Chile 1363.3×
- 41SamāstipurBihar, India 1343.3×
- 41La UniónLos Ríos Region, Chile 1343.3×
- 43JhānsiUttar Pradesh, India 1333.2×
- 44Faisalabadlow-cost sensorsPunjab, Pakistan 1303.2×
- 45Prince AlbertSaskatchewan, Canada 1303.1×
- 46Puente AltoSantiago Metropolitan, Chile 1293.1×
- 47Puerto AysénAysén, Chile 1263.0×
- 48DuluthMinnesota, United States 1243.0×
- 49CuranilahueBiobio, Chile 1233.0×
- 50RamanathapuramTamil Nadu, India 1233.0×
- 51QuinteroValparaiso, Chile 1233.0×
- 52TalcahuanoBiobio, Chile 1222.9×
- 53ConcónValparaiso, Chile 1212.9×
- 54HājīpurBihar, India 1192.9×
- 55Gadag-BetageriKarnataka, India 1182.8×
- 56Lahorelow-cost sensorsPunjab, Pakistan 1172.8×
- 57ToméBiobio, Chile 1172.8×
- 57ChiguayanteBiobio, Chile 1172.8×
- 59BaddiHimachal Pradesh, India 1172.8×
- 60ConcepciónBiobio, Chile 1172.8×
- 61SuperiorWisconsin, United States 1152.7×
- 62CauquenesMaule Region, Chile 1142.7×
- 63KadapaAndhra Pradesh, India 1122.7×
- 64ChillánÑuble, Chile 1122.7×
- 65Islamabadlow-cost sensorsIslamabad, Pakistan 1092.6×
- 65VijayawadaAndhra Pradesh, India 1092.6×
- 65ReykjavíkCapital Region, Iceland 1092.6×
- 68MorādābādUttar Pradesh, India 1082.6×
- 69KanpurUttar Pradesh, India 1062.5×
- 70LucknowUttar Pradesh, India 1052.5×
- 71Viña del MarValparaiso, Chile 1052.5×
- 72Dubailow-cost sensorsDubai, United Arab Emirates 1042.4×
- 73JakartaJakarta, Indonesia 1032.4×
- 74KotaRajasthan, India 1022.4×
- 75TonkRajasthan, India 1012.4×
- 75Santa Anita - Los FicusLima region, Peru 1012.4×
- 77AnantapurAndhra Pradesh, India 1002.3×
- 78ManamaManama, Bahrain 992.3×
- 78DhaulpurRajasthan, India 992.3×
- 78San Pedro de la PazBiobio, Chile 992.3×
- 81GorakhpurUttar Pradesh, India 992.3×
- 82MohaliPunjab, India 982.3×
- 83KanchipuramTamil Nadu, India 982.3×
- 84ChāndaMaharashtra, India 962.2×
- 85ChandigarhChandigarh, India 952.2×
- 86MothīhāriBihar, India 952.2×
- 87ByasanagarOdisha, India 942.1×
- 88MuzaffarpurBihar, India 932.1×
- 89Dera Colliery TownshipOdisha, India 922.1×
- 90PatnaBihar, India 922.1×
- 91AmritsarPunjab, India 922.1×
- 92TiruchirappalliTamil Nadu, India 912.1×
- 93NalbāriAssam, India 902.0×
- 93NagpurMaharashtra, India 902.0×
- 93EdmontonAlberta, Canada 902.0×
- 96SangāreddiTelangana, India 902.0×
- 96GūduvāncheriTamil Nadu, India 902.0×
- 98ArrahBihar, India 902.0×
- 99SīkarRajasthan, India 902.0×
- 100NajafgarhDelhi, India 892.0×
- 100Wadgaon KolhatiMaharashtra, India 892.0×
- 102MalegaonMaharashtra, India 892.0×
- 103RasapūdipalemAndhra Pradesh, India 892.0×
- 104DurgChhattisgarh, India 881.9×
- 104San Francisco De BorjaLima region, Peru 881.9×
- 106TocopillaAntofagasta, Chile 881.9×
- 107Multanlow-cost sensorsPunjab, Pakistan 881.9×
- 107LoniUttar Pradesh, India 881.9×
- 109MahādMaharashtra, India 881.9×
- 109MandideepMadhya Pradesh, India 881.9×
- 111Karachilow-cost sensorsSindh, Pakistan 871.9×
- 111QuthbullapurTelangana, India 871.9×
- 113BhiwandiMaharashtra, India 871.9×
- 114Addis AbabaAddis Ababa, Ethiopia 861.9×
- 115HyderabadTelangana, India 861.8×
- 116BawānaDelhi, India 851.8×
- 117Quettalow-cost sensorsBalochistan, Pakistan 851.8×
- 118TuxtlaChiapas, Mexico 851.8×
- 118CallaoCallao, Peru 851.8×
- 120NandedMaharashtra, India 851.8×
- 120MuzaffarnagarUttar Pradesh, India 851.8×
- 122MaiharMadhya Pradesh, India 851.8×
- 123GhāziābādUttar Pradesh, India 841.8×
- 124BaripādaOdisha, India 841.8×
- 125SaskatoonSaskatchewan, Canada 841.8×
- 126DurgapurWest Bengal, India 821.7×
- 127Istanbullow-cost sensorsIstanbul, Turkey 821.7×
- 128PratāpgarhRajasthan, India 821.7×
- 129MeerutUttar Pradesh, India 821.7×
- 129KhannaPunjab, India 821.7×
- 129TaupoWaikato Region, New Zealand 821.7×
- 132AriyalūrTamil Nadu, India 811.7×
- 132VapiGujarat, India 811.7×
- 134ThrissurKerala, India 811.7×
- 135GwaliorMadhya Pradesh, India 811.7×
- 136DelhiDelhi, India 811.7×
- 137Hyderabadlow-cost sensorsSindh, Pakistan 801.7×
- 137RourkelaOdisha, India 801.7×
- 139LotaBiobio, Chile 801.6×
- 139CoquimboCoquimbo Region, Chile 801.6×
- 141DhuleMaharashtra, India 801.6×
- 142AppletonWisconsin, United States 791.6×
- 143JaipurRajasthan, India 791.6×
- 144San Francisco TlalcilalcalpanMéxico, Mexico 781.6×
- 144PithampurMadhya Pradesh, India 781.6×
- 146NarelaDelhi, India 781.6×
- 147AngulOdisha, India 781.6×
- 147AmravatiMaharashtra, India 781.6×
- 149La SerenaCoquimbo Region, Chile 781.6×
- 150SilcharAssam, India 781.6×
- 150PrayagrajUttar Pradesh, India 781.6×
- 150LimaLima Province, Peru 781.6×
- 153DausaRajasthan, India 771.6×
- 154DamohMadhya Pradesh, India 771.5×
- 155BarbilOdisha, India 771.5×
- 156SāngliMaharashtra, India 771.5×
- 156Iloilolow-cost sensorsWestern Visayas, Philippines 771.5×
- 156Sherwood ParkAlberta, Canada 771.5×
- 159AjmerRajasthan, India 761.5×
- 159Quezon Citylow-cost sensorsNational Capital Region, Philippines 761.5×
- 161PanvelMaharashtra, India 761.5×
- 161JhālāwārRajasthan, India 761.5×
- 161Greater NoidaUttar Pradesh, India 761.5×
- 164HāpurUttar Pradesh, India 761.5×
- 165AricaArica y Parinacota Region, Chile 761.5×
- 166BareillyUttar Pradesh, India 751.5×
- 166BānswāraRajasthan, India 751.5×
- 166BāghpatUttar Pradesh, India 751.5×
- 169BadlapurMaharashtra, India 751.5×
- 169ChristchurchCanterbury, New Zealand 751.5×
- 169CopiapóAtacama, Chile 751.5×
- 172KolkataWest Bengal, India 751.5×
- 172BhiwadiRajasthan, India 751.5×
- 174RangioraCanterbury, New Zealand 751.5×
- 175UdaipurRajasthan, India 741.4×
- 176AurangābādBihar, India 741.4×
- 177JabalpurMadhya Pradesh, India 741.4×
- 178AhmedabadGujarat, India 741.4×
- 178L'Ancienne-LoretteQuebec, Canada 741.4×
- 180Pasadenalow-cost sensorsCalifornia, United States 741.4×
- 181AkolaMaharashtra, India 731.4×
- 181QuébecQuebec, Canada 731.4×
- 183VijayapuraKarnataka, India 731.4×
- 184BārānRajasthan, India 731.4×
- 184ĀsansolWest Bengal, India 731.4×
- 186SerilingampalleTelangana, India 731.4×
- 187Duque de CaxiasRio de Janeiro, Brazil 731.4×
- 188Accralow-cost sensorsGreater Accra, Ghana 721.4×
- 188Villa Poeta José Gálvez BarrenecheaLima region, Peru 721.4×
- 190Medina Estateslow-cost sensorsGreater Accra, Ghana 721.4×
- 191RājsamandRajasthan, India 721.4×
- 191Nepeanlow-cost sensorsOntario, Canada 721.4×
- 193XonacatlánMéxico, Mexico 721.3×
- 194PuneMaharashtra, India 711.3×
- 194TimaruCanterbury, New Zealand 711.3×
- 196DewasMadhya Pradesh, India 711.3×
- 197RājgīrBihar, India 711.3×
- 197NashikMaharashtra, India 711.3×
- 197BagalkotKarnataka, India 711.3×
- 197AgraUttar Pradesh, India 711.3×
Top 200 of 2,539 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, July 20, 2025, smogrank.com/history/2025-07-20 (accessed 2 Oct 2026).
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