SmogRank / History / June 30, 2025
Most polluted cities on June 30, 2025
2,468 cities ranked by their average PM2.5 over the day; the worst was Osorno, Chile, at 211.0 µg/m³. Each city's own local calendar day.
- Japan, June and July 202530 June to 10 July 2025, 11 days508 cities117Kōka
- South-western Chile, June and July 202529 June to 4 July 2025, 6 days17 cities291Osorno
Bad-air episodes during June 30, 2025. All episodes.
← Osorno 211.0 µg/m³
200 µg/m³15 WHO 24-hour guideline
- 1OsornoLos Lagos Region, Chile 28614.1×
- 2Puerto VarasLos Lagos Region, Chile 26412.6×
- 3CoyhaiqueAysén, Chile 24311.2×
- 4CuranilahueBiobio, Chile 24011.0×
- 5La UniónLos Ríos Region, Chile 2179.5×
- 6Puerto MonttLos Lagos Region, Chile 2169.4×
- 7LinaresMaule Region, Chile 2159.3×
- 8TemucoAraucania, Chile 2058.7×
- 9ValdiviaLos Ríos Region, Chile 1917.5×
- 10NacimientoBiobio, Chile 1806.4×
- 11LoznicaCentral Serbia, Serbia 1766.1×
- 12RengoO'Higgins Region, Chile 1624.8×
- 13TalaganteSantiago Metropolitan, Chile 1614.7×
- 14Dubailow-cost sensorsDubai, United Arab Emirates 1614.6×
- 15SantiagoSantiago Metropolitan, Chile 1614.6×
- 16HualquiBiobio, Chile 1604.6×
- 17TalcaMaule Region, Chile 1604.5×
- 18RancaguaO'Higgins Region, Chile 1584.4×
- 18HualpénBiobio, Chile 1584.4×
- 20Gujranwalalow-cost sensorsPunjab, Pakistan 1554.1×
- 21Puerto AysénAysén, Chile 1544.0×
- 22KigaliKigali, Rwanda 1523.8×
- 23QuilpuéValparaiso, Chile 1523.8×
- 23CoronelBiobio, Chile 1523.8×
- 25Sialkotlow-cost sensorsPunjab, Pakistan 1483.6×
- 26ChillánÑuble, Chile 1443.5×
- 27San CarlosÑuble, Chile 1413.5×
- 28Puente AltoSantiago Metropolitan, Chile 1403.4×
- 29DushanbeDushanbe, Tajikistan 1333.2×
- 30QuillotaValparaiso, Chile 1303.2×
- 31Lahorelow-cost sensorsPunjab, Pakistan 1293.1×
- 32ManamaManama, Bahrain 1273.1×
- 33CauquenesMaule Region, Chile 1172.8×
- 34TalcahuanoBiobio, Chile 1162.8×
- 35RangioraCanterbury, New Zealand 1132.7×
- 36QuinteroValparaiso, Chile 1112.6×
- 37Rawalpindilow-cost sensorsPunjab, Pakistan 1092.6×
- 38ConcónValparaiso, Chile 1082.6×
- 39CoquimboCoquimbo Region, Chile 1022.4×
- 40La SerenaCoquimbo Region, Chile 992.3×
- 41Faisalabadlow-cost sensorsPunjab, Pakistan 982.3×
- 42Los ÁngelesBiobio, Chile 972.3×
- 43CopiapóAtacama, Chile 942.1×
- 44CholulaPuebla, Mexico 942.1×
- 45JakartaJakarta, Indonesia 932.1×
- 45ConcepciónBiobio, Chile 932.1×
- 47Islamabadlow-cost sensorsIslamabad, Pakistan 922.1×
- 48AntofagastaAntofagasta, Chile 912.0×
- 49AsoKumamoto, Japan 912.0×
- 50Quettalow-cost sensorsBalochistan, Pakistan 902.0×
- 51Ban Talat BuengChon Buri, Thailand 892.0×
- 52Karachilow-cost sensorsSindh, Pakistan 892.0×
- 52Viña del MarValparaiso, Chile 892.0×
- 54HitoyoshiKumamoto, Japan 871.9×
- 55Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan 871.9×
- 56DelhiDelhi, India 861.9×
- 57KikuchiKumamoto, Japan 851.8×
- 58YamanashiYamanashi, Japan 841.8×
- 59Fort McMurrayAlberta, Canada 841.8×
- 60ŌzuKumamoto, Japan 831.8×
- 61HitaOita, Japan 831.7×
- 62ŌtsukiYamanashi, Japan 821.7×
- 63TocopillaAntofagasta, Chile 821.7×
- 64YamagaKumamoto, Japan 811.7×
- 64ToméBiobio, Chile 811.7×
- 66MifuneKumamoto, Japan 811.7×
- 67IkedachōTokushima, Japan 801.7×
- 67San Pedro de la PazBiobio, Chile 801.7×
- 69Alcalá de GuadairaAndalusia, Spain 801.6×
- 70FuenlabradaMadrid, Spain 791.6×
- 71KasaokaOkayama, Japan 791.6×
- 71AnanTokushima, Japan 791.6×
- 73Istanbullow-cost sensorsIstanbul, Turkey 791.6×
- 73MimaTokushima, Japan 791.6×
- 75Hyderabadlow-cost sensorsSindh, Pakistan 781.6×
- 75TsuyamaOkayama, Japan 781.6×
- 77ChiguayanteBiobio, Chile 771.6×
- 78NakatsuOita, Japan 771.5×
- 79AcerraCampania, Italy 771.5×
- 80TatsunoHyōgo, Japan 761.5×
- 81KofuYamanashi, Japan 761.5×
- 82OkayamaOkayama, Japan 761.5×
- 82KashiwaraNara, Japan 761.5×
- 84SevillaAndalusia, Spain 751.5×
- 85HonmachiKumamoto, Japan 751.5×
- 86NiimiOkayama, Japan 751.5×
- 86BolzanoTrentino-Alto Adige, Italy 751.5×
- 86HiragiKagawa, Japan 751.5×
- 89OurenseGalicia, Spain 751.5×
- 89CallaoCallao, Peru 751.5×
- 89KotōKumamoto, Japan 751.5×
- 89UkihaFukuoka, Japan 751.5×
- 93Iloilolow-cost sensorsWestern Visayas, Philippines 751.5×
- 93Uekimachi-mōnoKumamoto, Japan 751.5×
- 95MinamataKumamoto, Japan 741.4×
- 96YoukaichiShiga, Japan 741.4×
- 96ChristchurchCanterbury, New Zealand 741.4×
- 96YoshinogawaTokushima, Japan 741.4×
- 99TakahashiOkayama, Japan 741.4×
- 99MarugameKagawa, Japan 741.4×
- 99Laem ChabangChon Buri, Thailand 741.4×
- 102Quezon Citylow-cost sensorsNational Capital Region, Philippines 741.4×
- 102TamanoOkayama, Japan 741.4×
- 102OnoHyōgo, Japan 741.4×
- 102HoustonTexas, United States 741.4×
- 106Port ArthurTexas, United States 741.4×
- 107NagahamaShiga, Japan 731.4×
- 108Shin’ichiHiroshima, Japan 731.4×
- 108GalvestonTexas, United States 731.4×
- 108NantanKyoto, Japan 731.4×
- 111Kashihara-shiNara, Japan 731.4×
- 111AioiHyōgo, Japan 731.4×
- 113ZentsujichóKagawa, Japan 731.4×
- 113SandachōHyōgo, Japan 731.4×
- 113KurashikiOkayama, Japan 731.4×
- 113KumamotoKumamoto, Japan 731.4×
- 117UtoKumamoto, Japan 721.4×
- 117MatsusakaMie, Japan 721.4×
- 117BizenOkayama, Japan 721.4×
- 120Khlong LuangPathum Thani, Thailand 721.4×
- 120Accralow-cost sensorsGreater Accra, Ghana 721.4×
- 120CatañoCataño, Puerto Rico 721.4×
- 120IgaMie, Japan 721.4×
- 124BaytownTexas, United States 721.4×
- 125IshinomakiMiyagi, Japan 721.4×
- 125CosladaMadrid, Spain 721.4×
- 125DallasTexas, United States 721.4×
- 128La PorteTexas, United States 721.3×
- 128InabeMie, Japan 721.3×
- 130YasothonYasothon, Thailand 711.3×
- 130Tanushimarumachi-toyokiFukuoka, Japan 711.3×
- 130SōjaOkayama, Japan 711.3×
- 130IwakiFukushima, Japan 711.3×
- 134LimaLima Province, Peru 711.3×
- 134PasadenaTexas, United States 711.3×
- 136Si Maha PhotPrachin Buri, Thailand 711.3×
- 136PattaniPattani, Thailand 711.3×
- 136Ban Samae DamBangkok, Thailand 711.3×
- 136IkarugaHyōgo, Japan 711.3×
- 140PhatthalungPhatthalung, Thailand 711.3×
- 140OnomichiHiroshima, Japan 711.3×
- 140KameokaKyoto, Japan 711.3×
- 140AyabeKyoto, Japan 711.3×
- 140KariyaHyōgo, Japan 711.3×
- 140MizuhoGifu, Japan 711.3×
- 146ShinagawaEhime, Japan 701.3×
- 146TakashimaShiga, Japan 701.3×
- 148ShikokuchūōEhime, Japan 701.3×
- 149KalasinKalasin, Thailand 701.3×
- 149Tottori-shiTottori, Japan 701.3×
- 149FukuchiyamaKyoto, Japan 701.3×
- 149YameFukuoka, Japan 701.3×
- 153Almatylow-cost sensorsAlmaty, Kazakhstan 701.3×
- 153TsuchiuraIbaraki, Japan 701.3×
- 153Saphan SungBangkok, Thailand 701.3×
- 156HigashinozoeHyōgo, Japan 701.3×
- 157ŌmutaFukuoka, Japan 691.3×
- 157KitahamaShiga, Japan 691.3×
- 157FukuyamaHiroshima, Japan 691.3×
- 157OwariasahiAichi, Japan 691.3×
- 161TakinomiyaKagawa, Japan 691.3×
- 161KochiKochi, Japan 691.3×
- 161Kakogawachō-honmachiHyōgo, Japan 691.3×
- 161IkomaNara, Japan 691.3×
- 161HuelvaAndalusia, Spain 691.3×
- 161NovaraPiedmont, Italy 691.3×
- 167YokkaichiMie, Japan 691.2×
- 167ŌgakiGifu, Japan 691.2×
- 167BraPiedmont, Italy 691.2×
- 170SaijōEhime, Japan 691.2×
- 171YaitaTochigi, Japan 691.2×
- 171ŌitaOita, Japan 691.2×
- 171NiihamaEhime, Japan 691.2×
- 171GetxoBasque Country, Spain 691.2×
- 171ConroeTexas, United States 691.2×
- 171KaniGifu, Japan 691.2×
- 171AraoKumamoto, Japan 691.2×
- 171AmaAichi, Japan 691.2×
- 179TamanaKumamoto, Japan 681.2×
- 179HimejiHyōgo, Japan 681.2×
- 181Bang NaBangkok, Thailand 681.2×
- 181SekimachiGifu, Japan 681.2×
- 181IbiGifu, Japan 681.2×
- 184Nara-shiNara, Japan 681.2×
- 184KyotoKyoto, Japan 681.2×
- 184Kamojimachō-jōgejimaTokushima, Japan 681.2×
- 184GyōdaSaitama, Japan 681.2×
- 184AsakuchiOkayama, Japan 681.2×
- 189MukdahanMukdahan, Thailand 681.2×
- 189Santa LucíaCanary Islands, Spain 681.2×
- 191Ueno-ebisumachiMie, Japan 681.2×
- 191TakarazukaHyōgo, Japan 681.2×
- 191SusakiKochi, Japan 681.2×
- 191ObamaFukui, Japan 681.2×
- 191KōtariKyoto, Japan 681.2×
- 191AkiKochi, Japan 681.2×
- 191KirishimaKagoshima, Japan 681.2×
- 191MineYamaguchi, Japan 681.2×
- 199Bang Bo DistrictSamut Prakan, Thailand 671.2×
- 199GeroGifu, Japan 671.2×
Top 200 of 2,468 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, June 30, 2025, smogrank.com/history/2025-06-30 (accessed 2 Oct 2026).
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