SmogRank / History / July 16, 2025
Most polluted cities on July 16, 2025
2,505 cities ranked by their average PM2.5 over the day; the worst was Surat, India, at 235.0 µg/m³. Each city's own local calendar day.
- North-western Canada, July 202514 to 17 July 2025, 4 days10 cities116Saskatoon
- North-eastern United States and Canada, July 202512 to 16 July 2025, 5 days119 cities117Superior
Bad-air episodes during July 16, 2025. All episodes.
← Surat 235.0 µg/m³
200 µg/m³15 WHO 24-hour guideline
- 1SuratGujarat, India 32015.7×
- 2TiruppurTamil Nadu, India 27013.0×
- 3OsornoLos Lagos Region, Chile 26612.7×
- 4Puerto VarasLos Lagos Region, Chile 25211.8×
- 5NacimientoBiobio, Chile 22510.0×
- 6NagapattinamTamil Nadu, India 2078.8×
- 7HualpénBiobio, Chile 1947.8×
- 8VillarricaAraucania, Chile 1897.3×
- 9ManamaManama, Bahrain 1735.8×
- 10KigaliKigali, Rwanda 1715.6×
- 11TemucoAraucania, Chile 1705.5×
- 12ValdiviaLos Ríos Region, Chile 1634.8×
- 13Puente AltoSantiago Metropolitan, Chile 1624.8×
- 14BhelaiChhattisgarh, India 1594.5×
- 15SantiagoSantiago Metropolitan, Chile 1584.4×
- 16La UniónLos Ríos Region, Chile 1584.3×
- 17LinaresMaule Region, Chile 1574.3×
- 18San CarlosÑuble, Chile 1574.3×
- 19Prince AlbertSaskatchewan, Canada 1574.3×
- 20CuranilahueBiobio, Chile 1564.2×
- 21TalaganteSantiago Metropolitan, Chile 1554.1×
- 22CoronelBiobio, Chile 1544.0×
- 22SaskatoonSaskatchewan, Canada 1544.0×
- 24VelloreTamil Nadu, India 1544.0×
- 25Los ÁngelesBiobio, Chile 1544.0×
- 26GayaBihar, India 1544.0×
- 27TalcahuanoBiobio, Chile 1533.9×
- 28AjmerRajasthan, India 1533.9×
- 29ChillánÑuble, Chile 1533.9×
- 30HassanKarnataka, India 1523.8×
- 31Swift CurrentSaskatchewan, Canada 1523.8×
- 32SangāreddiTelangana, India 1513.7×
- 33Dubailow-cost sensorsDubai, United Arab Emirates 1513.7×
- 34CuttackOdisha, India 1493.7×
- 35JakartaJakarta, Indonesia 1483.6×
- 36Faisalabadlow-cost sensorsPunjab, Pakistan 1483.6×
- 37TalcaMaule Region, Chile 1473.6×
- 37AltamontOregon, United States 1473.6×
- 39DushanbeDushanbe, Tajikistan 1453.5×
- 40Puerto AysénAysén, Chile 1443.5×
- 41VirārMaharashtra, India 1433.5×
- 42ArāriaBihar, India 1433.5×
- 43CuricóMaule Region, Chile 1413.5×
- 44Santa LucíaCanary Islands, Spain 1413.4×
- 45Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa 1383.4×
- 46LoniUttar Pradesh, India 1303.2×
- 47RengoO'Higgins Region, Chile 1303.1×
- 48RancaguaO'Higgins Region, Chile 1293.1×
- 49GummidipundiTamil Nadu, India 1283.1×
- 50CauquenesMaule Region, Chile 1273.1×
- 51QuillotaValparaiso, Chile 1243.0×
- 52DausaRajasthan, India 1233.0×
- 53Lahorelow-cost sensorsPunjab, Pakistan 1212.9×
- 54Nepeanlow-cost sensorsOntario, Canada 1202.9×
- 55BadlapurMaharashtra, India 1202.9×
- 56Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan 1192.8×
- 57KotaRajasthan, India 1182.8×
- 58Gujranwalalow-cost sensorsPunjab, Pakistan 1162.8×
- 59Puerto MonttLos Lagos Region, Chile 1152.7×
- 60ChittoorAndhra Pradesh, India 1152.7×
- 61HualquiBiobio, Chile 1142.7×
- 62Medicine HatAlberta, Canada 1132.7×
- 63KalyānMaharashtra, India 1112.6×
- 64GwaliorMadhya Pradesh, India 1102.6×
- 65UdaipurRajasthan, India 1092.6×
- 66VijayawadaAndhra Pradesh, India 1092.6×
- 67NeelankaraiTamil Nadu, India 1082.6×
- 68NagaonAssam, India 1072.5×
- 68GobindgarhPunjab, India 1072.5×
- 70TiruchirappalliTamil Nadu, India 1062.5×
- 71Sialkotlow-cost sensorsPunjab, Pakistan 1062.5×
- 72JodaOdisha, India 1052.5×
- 73MalegaonMaharashtra, India 1032.4×
- 73BhiwandiMaharashtra, India 1032.4×
- 75TirupparangunramTamil Nadu, India 1032.4×
- 75AnantapurAndhra Pradesh, India 1032.4×
- 75CopiapóAtacama, Chile 1032.4×
- 78DūngarpurRajasthan, India 1012.4×
- 79VapiGujarat, India 1002.4×
- 80QuilpuéValparaiso, Chile 992.3×
- 80CoyhaiqueAysén, Chile 992.3×
- 82KadapaAndhra Pradesh, India 992.3×
- 83RasapūdipalemAndhra Pradesh, India 982.3×
- 83L'Ancienne-LoretteQuebec, Canada 982.3×
- 85ChiguayanteBiobio, Chile 982.3×
- 86DhaulpurRajasthan, India 972.3×
- 86PithampurMadhya Pradesh, India 972.3×
- 88Bahawalpurlow-cost sensorsPunjab, Pakistan 972.3×
- 88TuxtlaChiapas, Mexico 972.3×
- 90SāngliMaharashtra, India 962.2×
- 91XonacatlánMéxico, Mexico 962.2×
- 92SaugorMadhya Pradesh, India 962.2×
- 92GhāziābādUttar Pradesh, India 962.2×
- 94MiramichiNew Brunswick, Canada 962.2×
- 94ShawiniganQuebec, Canada 962.2×
- 96QuébecQuebec, Canada 962.2×
- 97CoquimboCoquimbo Region, Chile 942.1×
- 98MahādMaharashtra, India 932.1×
- 99ĀsansolWest Bengal, India 932.1×
- 100JaipurRajasthan, India 932.1×
- 100ConcepciónBiobio, Chile 932.1×
- 102BharatpurRajasthan, India 922.1×
- 103Trois-RivièresQuebec, Canada 922.1×
- 104NewmarketOntario, Canada 922.1×
- 105KhannaPunjab, India 922.1×
- 105Sorel-TracyQuebec, Canada 922.1×
- 105San Pedro de la PazBiobio, Chile 922.1×
- 108HyderabadTelangana, India 922.1×
- 109CholulaPuebla, Mexico 912.1×
- 110TorontoOntario, Canada 912.0×
- 111Accralow-cost sensorsGreater Accra, Ghana 912.0×
- 112GandhinagarGujarat, India 902.0×
- 112Grand JunctionColorado, United States 902.0×
- 114NalbāriAssam, India 902.0×
- 115JalorRajasthan, India 902.0×
- 116ToméBiobio, Chile 902.0×
- 117DhuleMaharashtra, India 902.0×
- 117DādriUttar Pradesh, India 902.0×
- 117AhmedabadGujarat, India 902.0×
- 120MorādābādUttar Pradesh, India 902.0×
- 120BawānaDelhi, India 902.0×
- 120DorvalQuebec, Canada 902.0×
- 123JhānsiUttar Pradesh, India 892.0×
- 124QuinteroValparaiso, Chile 892.0×
- 124ConcónValparaiso, Chile 892.0×
- 124Wadgaon KolhatiMaharashtra, India 892.0×
- 127MontréalQuebec, Canada 892.0×
- 128San Francisco TlalcilalcalpanMéxico, Mexico 892.0×
- 129RedmondOregon, United States 881.9×
- 129EdmontonAlberta, Canada 881.9×
- 131MiltonOntario, Canada 881.9×
- 132NarelaDelhi, India 871.9×
- 133MaiharMadhya Pradesh, India 871.9×
- 134PratāpgarhRajasthan, India 871.9×
- 135OakvilleOntario, Canada 871.9×
- 136AriyalūrTamil Nadu, India 871.9×
- 137Iloilolow-cost sensorsWestern Visayas, Philippines 861.9×
- 138IndoreMadhya Pradesh, India 861.9×
- 138KannurKerala, India 861.9×
- 138CallaoCallao, Peru 861.9×
- 138AlangadKerala, India 861.9×
- 142PeterboroughOntario, Canada 861.9×
- 143La SerenaCoquimbo Region, Chile 861.8×
- 144Karachilow-cost sensorsSindh, Pakistan 851.8×
- 144BhiwadiRajasthan, India 851.8×
- 146AngulOdisha, India 851.8×
- 146BellevilleOntario, Canada 851.8×
- 146WaterdownOntario, Canada 851.8×
- 149Naucalpan de JuárezMéxico, Mexico 841.8×
- 149BarrieOntario, Canada 841.8×
- 151Istanbullow-cost sensorsIstanbul, Turkey 841.8×
- 151RatlāmMadhya Pradesh, India 841.8×
- 151BārmerRajasthan, India 841.8×
- 154RājsamandRajasthan, India 841.8×
- 154NandriRajasthan, India 841.8×
- 156Aya NagarDelhi, India 831.8×
- 156UliyazhathuraKerala, India 831.8×
- 158NāgaurRajasthan, India 831.8×
- 158BhilwaraRajasthan, India 831.8×
- 158Red DeerAlberta, Canada 831.8×
- 161MuzaffarnagarUttar Pradesh, India 831.8×
- 161Rivière-des-Prairies–Pointe-aux-TremblesQuebec, Canada 831.8×
- 163GranbyQuebec, Canada 831.7×
- 163OttawaOntario, Canada 831.7×
- 163Dera Colliery TownshipOdisha, India 831.7×
- 166FrederictonNew Brunswick, Canada 831.7×
- 167DelhiDelhi, India 821.7×
- 168BramptonOntario, Canada 821.7×
- 169HamiltonOntario, Canada 821.7×
- 170JhālāwārRajasthan, India 821.7×
- 171AtlixcoPuebla, Mexico 821.7×
- 171KingstonOntario, Canada 821.7×
- 171SydneyNova Scotia, Canada 821.7×
- 174SīkarRajasthan, India 811.7×
- 174MississaugaOntario, Canada 811.7×
- 176EdmundstonNew Brunswick, Canada 811.7×
- 177Duque de CaxiasRio de Janeiro, Brazil 801.7×
- 178Sawai MadhopurRajasthan, India 801.7×
- 178NashikMaharashtra, India 801.7×
- 178BrantfordOntario, Canada 801.7×
- 178Greater NoidaUttar Pradesh, India 801.7×
- 182Rawalpindilow-cost sensorsPunjab, Pakistan 801.6×
- 183San Francisco De BorjaLima region, Peru 801.6×
- 184NoidaUttar Pradesh, India 801.6×
- 185Ciudad Benito JuárezNuevo León, Mexico 791.6×
- 185BendOregon, United States 791.6×
- 185AllistonOntario, Canada 791.6×
- 188JodhpurRajasthan, India 791.6×
- 189TehuacánPuebla, Mexico 791.6×
- 190ImabariEhime, Japan 791.6×
- 191AmravatiMaharashtra, India 791.6×
- 191BrossardQuebec, Canada 791.6×
- 191GuelphOntario, Canada 791.6×
- 191ReginaSaskatchewan, Canada 791.6×
- 195AricaArica y Parinacota Region, Chile 781.6×
- 195CornwallOntario, Canada 781.6×
- 197PuneMaharashtra, India 781.6×
- 198DrummondvilleQuebec, Canada 781.6×
- 198HigashihiroshimaHiroshima, Japan 781.6×
- 200St. CatharinesOntario, Canada 781.6×
Top 200 of 2,505 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 16, 2025, smogrank.com/history/2025-07-16 (accessed 2 Oct 2026).
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