SmogRank / History / May 15, 2025
Most polluted cities on May 15, 2025
2,714 cities ranked by their average PM2.5 over the day; the worst was Aya Nagar, India, at 252.0 µg/m³. Each city's own local calendar day.
- Northern Mexico and United States, May 202515 to 20 May 2025, 6 days12 cities49Ciudad Benito Juárez
- North-western India, May 202515 to 16 May 2025, 2 days23 cities252Aya Nagar
Bad-air episodes during May 15, 2025. All episodes.
← Aya Nagar 252.0 µg/m³
200 µg/m³15 WHO 24-hour guideline
- 1Aya NagarDelhi, India 35416.8×
- 2NagapattinamTamil Nadu, India 33216.1×
- 3NarelaDelhi, India 32615.9×
- 4Dera MāndiDelhi, India 31615.5×
- 5BawānaDelhi, India 29014.3×
- 6DelhiDelhi, India 28013.7×
- 7NajafgarhDelhi, India 27613.4×
- 8BulandshahrUttar Pradesh, India 25512.0×
- 8BāghpatUttar Pradesh, India 25512.0×
- 10GhāziābādUttar Pradesh, India 25311.9×
- 11LoniUttar Pradesh, India 24011.0×
- 12Greater NoidaUttar Pradesh, India 23110.4×
- 13BhiwadiRajasthan, India 2209.6×
- 14NoidaUttar Pradesh, India 2199.6×
- 15MuzaffarnagarUttar Pradesh, India 2098.9×
- 16DādriUttar Pradesh, India 1927.6×
- 17LucknowUttar Pradesh, India 1897.3×
- 18GobindgarhPunjab, India 1877.1×
- 19SasarāmBihar, India 1786.2×
- 20KeonjhargarhOdisha, India 1756.0×
- 21PatiālaPunjab, India 1755.9×
- 21VillarricaAraucania, Chile 1755.9×
- 23MeerutUttar Pradesh, India 1705.5×
- 24TonkRajasthan, India 1665.1×
- 25LudhianaPunjab, India 1665.1×
- 26JalandharPunjab, India 1665.1×
- 27BhelaiChhattisgarh, India 1644.9×
- 28KhannaPunjab, India 1634.9×
- 28San CarlosÑuble, Chile 1634.9×
- 30Sawai MadhopurRajasthan, India 1634.8×
- 31Santa Anita - Los FicusLima region, Peru 1624.8×
- 32ChūruRajasthan, India 1624.8×
- 32CuranilahueBiobio, Chile 1624.8×
- 34HāpurUttar Pradesh, India 1624.7×
- 35MohaliPunjab, India 1624.7×
- 36HualpénBiobio, Chile 1624.7×
- 37TalaganteSantiago Metropolitan, Chile 1614.7×
- 38AmritsarPunjab, India 1614.7×
- 39HanumāngarhRajasthan, India 1614.6×
- 40SantiagoSantiago Metropolitan, Chile 1604.6×
- 41AnkleshwarGujarat, India 1584.4×
- 42CoronelBiobio, Chile 1584.4×
- 43BathindaPunjab, India 1574.3×
- 44NacimientoBiobio, Chile 1574.2×
- 45ManamaManama, Bahrain 1564.2×
- 46HualquiBiobio, Chile 1564.2×
- 47AjmerRajasthan, India 1554.1×
- 48SīkarRajasthan, India 1554.1×
- 49ChillánÑuble, Chile 1554.1×
- 50JhunjhunūnRajasthan, India 1533.9×
- 51FīrozābādUttar Pradesh, India 1533.9×
- 51BaddiHimachal Pradesh, India 1533.9×
- 53RourkelaOdisha, India 1533.9×
- 54TalcahuanoBiobio, Chile 1533.9×
- 55ChandigarhChandigarh, India 1533.8×
- 56Sukutalow-cost sensorsWestern, Gambia 1523.8×
- 57KanpurUttar Pradesh, India 1523.8×
- 58KoppalKarnataka, India 1513.7×
- 59AgraUttar Pradesh, India 1513.7×
- 60GayaBihar, India 1493.7×
- 61KarauliRajasthan, India 1483.6×
- 62JaipurRajasthan, India 1473.6×
- 63RamanathapuramTamil Nadu, India 1463.6×
- 63AurangābādBihar, India 1463.6×
- 65Los ÁngelesBiobio, Chile 1463.6×
- 66JhālāwārRajasthan, India 1453.5×
- 67VrindāvanUttar Pradesh, India 1443.5×
- 67TirumalaAndhra Pradesh, India 1443.5×
- 69Puente AltoSantiago Metropolitan, Chile 1413.5×
- 70LinaresMaule Region, Chile 1413.4×
- 71PatnaBihar, India 1403.4×
- 72CuricóMaule Region, Chile 1403.4×
- 73Islamabadlow-cost sensorsIslamabad, Pakistan 1393.4×
- 74TemucoAraucania, Chile 1383.4×
- 75HājīpurBihar, India 1383.4×
- 76ĀsansolWest Bengal, India 1333.2×
- 77TalcaMaule Region, Chile 1323.2×
- 78Hacienda Santa FeJalisco, Mexico 1323.2×
- 79RengoO'Higgins Region, Chile 1323.2×
- 80NāgaurRajasthan, India 1313.2×
- 81GandhinagarGujarat, India 1313.2×
- 82GorakhpurUttar Pradesh, India 1303.1×
- 83JodhpurRajasthan, India 1293.1×
- 84RasapūdipalemAndhra Pradesh, India 1253.0×
- 85BegusaraiBihar, India 1253.0×
- 85CauquenesMaule Region, Chile 1253.0×
- 87DausaRajasthan, India 1243.0×
- 88BuxarBihar, India 1243.0×
- 88AlwarRajasthan, India 1243.0×
- 90CuttackOdisha, India 1233.0×
- 91SingrauliMadhya Pradesh, India 1233.0×
- 92VijayawadaAndhra Pradesh, India 1233.0×
- 93AhmedabadGujarat, India 1233.0×
- 94PrayagrajUttar Pradesh, India 1222.9×
- 95RairangpurOdisha, India 1222.9×
- 96San Pedro de la PazBiobio, Chile 1212.9×
- 97BharatpurRajasthan, India 1212.9×
- 98DehradunUttarakhand, India 1192.9×
- 98BikanerRajasthan, India 1192.9×
- 100BhiwandiMaharashtra, India 1182.8×
- 101Dera Colliery TownshipOdisha, India 1172.8×
- 102SangāreddiTelangana, India 1162.8×
- 102JodaOdisha, India 1162.8×
- 104QuillotaValparaiso, Chile 1162.8×
- 105RancaguaO'Higgins Region, Chile 1162.8×
- 105NandriRajasthan, India 1162.8×
- 107LimaLima Province, Peru 1152.7×
- 108AmaravatiAndhra Pradesh, India 1152.7×
- 109BhāgalpurBihar, India 1142.7×
- 110CallaoCallao, Peru 1142.7×
- 111ToméBiobio, Chile 1142.7×
- 111MandideepMadhya Pradesh, India 1142.7×
- 113UdaipurRajasthan, India 1132.7×
- 114Sri GanganagarRajasthan, India 1122.7×
- 115TirupatiAndhra Pradesh, India 1122.7×
- 115KohimaNagaland, India 1122.7×
- 117AguascalientesAguascalientes, Mexico 1122.7×
- 118TambaramTamil Nadu, India 1122.7×
- 119Ciudad Benito JuárezNuevo León, Mexico 1112.6×
- 120PanvelMaharashtra, India 1112.6×
- 121ConcepciónBiobio, Chile 1102.6×
- 122KalyānMaharashtra, India 1092.6×
- 122AurangabadMaharashtra, India 1092.6×
- 124BadlapurMaharashtra, India 1082.6×
- 124CholulaPuebla, Mexico 1082.6×
- 124BarbilOdisha, India 1082.6×
- 127MorādābādUttar Pradesh, India 1082.5×
- 128KhargharMaharashtra, India 1062.5×
- 129SrinagarJammu and Kashmir, India 1052.5×
- 130MuzaffarpurBihar, India 1052.5×
- 131ThāneMaharashtra, India 1052.5×
- 131ConcónValparaiso, Chile 1052.5×
- 133BilāspurChhattisgarh, India 1032.4×
- 134GwaliorMadhya Pradesh, India 1022.4×
- 134TocopillaAntofagasta, Chile 1022.4×
- 134Puerto AysénAysén, Chile 1022.4×
- 134NeelankaraiTamil Nadu, India 1022.4×
- 138KigaliKigali, Rwanda 1022.4×
- 139MahādMaharashtra, India 1022.4×
- 140QuilpuéValparaiso, Chile 1012.4×
- 141DushanbeDushanbe, Tajikistan 1002.3×
- 142NagpurMaharashtra, India 992.3×
- 143GummidipundiTamil Nadu, India 992.3×
- 143BelpaharOdisha, India 992.3×
- 145MalegaonMaharashtra, India 992.3×
- 146PāliRajasthan, India 982.3×
- 147Viña del MarValparaiso, Chile 982.3×
- 148VirārMaharashtra, India 982.3×
- 149MonterreyNuevo León, Mexico 982.3×
- 150ChennaiTamil Nadu, India 972.3×
- 151BārānRajasthan, India 972.2×
- 151Cadereyta JiménezNuevo León, Mexico 972.2×
- 153AtlixcoPuebla, Mexico 962.2×
- 154Santa CatarinaNuevo León, Mexico 962.2×
- 155QuinteroValparaiso, Chile 962.2×
- 155La SerenaCoquimbo Region, Chile 962.2×
- 155GarcíaNuevo León, Mexico 962.2×
- 158San Francisco De BorjaLima region, Peru 952.2×
- 159RajamahendravaramAndhra Pradesh, India 942.2×
- 160TlaquepaqueJalisco, Mexico 942.1×
- 161BhayandarMaharashtra, India 932.1×
- 161BaripādaOdisha, India 932.1×
- 163OsornoLos Lagos Region, Chile 932.1×
- 164KolhāpurMaharashtra, India 922.1×
- 165RānīganjWest Bengal, India 922.1×
- 166PatancheruTelangana, India 922.1×
- 166LaturMaharashtra, India 922.1×
- 166KotaRajasthan, India 922.1×
- 169Ciudad General EscobedoNuevo León, Mexico 922.1×
- 169ByasanagarOdisha, India 922.1×
- 171ThrissurKerala, India 912.1×
- 171TiruchirappalliTamil Nadu, India 912.1×
- 171SāngliMaharashtra, India 912.1×
- 171CoquimboCoquimbo Region, Chile 912.1×
- 175ShenyangLiaoning, China 912.0×
- 176YeongjuGyeongsangbuk-do, South Korea 912.0×
- 176RangioraCanterbury, New Zealand 912.0×
- 178VelloreTamil Nadu, India 902.0×
- 179Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa 902.0×
- 180Wadgaon KolhatiMaharashtra, India 892.0×
- 181AkolaMaharashtra, India 892.0×
- 181UnderaGujarat, India 892.0×
- 183ArrahBihar, India 881.9×
- 183ChiguayanteBiobio, Chile 881.9×
- 185MothīhāriBihar, India 881.9×
- 185DhaulpurRajasthan, India 881.9×
- 185ValdiviaLos Ríos Region, Chile 881.9×
- 188Jardines de la SillaNuevo León, Mexico 881.9×
- 189TepicNayarit, Mexico 881.9×
- 190DhuleMaharashtra, India 871.9×
- 190LotaBiobio, Chile 871.9×
- 192Addis AbabaAddis Ababa, Ethiopia 871.9×
- 192MumbaiMaharashtra, India 871.9×
- 195PurniaBihar, India 861.9×
- 195BoisarMaharashtra, India 861.9×
- 195BhilwaraRajasthan, India 861.9×
- 195CoyhaiqueAysén, Chile 861.9×
- 199JakartaJakarta, Indonesia 851.8×
- 199YecheonGyeongsangbuk-do, South Korea 851.8×
Top 200 of 2,714 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.
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SmogRank, most polluted cities, PM2.5, May 15, 2025, smogrank.com/history/2025-05-15 (accessed 2 Oct 2026).
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