SmogRank / History / June 25, 2024
Most polluted cities on June 25, 2024
2,233 cities ranked by their average PM2.5 over the day; the worst was Hualpén, Chile, at 149.0 µg/m³. Each city's own local calendar day.
Bad-air episodes during June 25, 2024. All episodes.
← Hualpén 149.0 µg/m³
100 µg/m³15 WHO 24-hour guideline
- 1HualpénBiobio, Chile 2249.9×
- 2San CarlosÑuble, Chile 2219.7×
- 3OsornoLos Lagos Region, Chile 2028.4×
- 4BadgerAlaska, United States 2018.4×
- 5NacimientoBiobio, Chile 1988.2×
- 6CoyhaiqueAysén, Chile 1978.1×
- 7ManamaManama, Bahrain 1957.9×
- 8TemucoAraucania, Chile 1947.8×
- 9TalcahuanoBiobio, Chile 1937.7×
- 10VillarricaAraucania, Chile 1917.5×
- 11Puerto MonttLos Lagos Region, Chile 1846.8×
- 12CuranilahueBiobio, Chile 1836.7×
- 13ChillánÑuble, Chile 1816.5×
- 14Puerto VarasLos Lagos Region, Chile 1816.5×
- 15CuricóMaule Region, Chile 1675.2×
- 16La UniónLos Ríos Region, Chile 1655.1×
- 17FairbanksAlaska, United States 1594.4×
- 18Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan 1574.3×
- 19Santa Anita - Los FicusLima region, Peru 1564.2×
- 20DelhiDelhi, India 1554.0×
- 21TalcaMaule Region, Chile 1544.0×
- 22ToméBiobio, Chile 1544.0×
- 23Puerto AysénAysén, Chile 1533.9×
- 24RengoO'Higgins Region, Chile 1513.7×
- 25TocopillaAntofagasta, Chile 1513.7×
- 26Los ÁngelesBiobio, Chile 1463.6×
- 27CoronelBiobio, Chile 1443.5×
- 28HualquiBiobio, Chile 1413.4×
- 29N'DjamenaN’Djaména, Chad 1373.3×
- 30BaghdadBaghdad, Iraq 1363.3×
- 31RancaguaO'Higgins Region, Chile 1323.2×
- 32CairoCairo, Egypt 1263.1×
- 33San Pedro de la PazBiobio, Chile 1172.8×
- 34ChiguayanteBiobio, Chile 1152.8×
- 35ConcepciónBiobio, Chile 1142.7×
- 36San Francisco De BorjaLima region, Peru 1082.6×
- 37QuillotaValparaiso, Chile 1072.5×
- 38Islamabadlow-cost sensorsIslamabad, Pakistan 1032.4×
- 39BakuBaki, Azerbaijan 1032.4×
- 40Shakaskraallow-cost sensorsKwaZulu-Natal, South Africa 992.3×
- 40DushanbeDushanbe, Tajikistan 992.3×
- 42Dhakalow-cost sensorsDhaka Division, Bangladesh 982.3×
- 43Kathmandulow-cost sensorsBagmati Province, Nepal 982.3×
- 44Torrejón de ArdozMadrid, Spain 982.3×
- 45Addis AbabaAddis Ababa, Ethiopia 972.3×
- 46BeijingBeijing, China 972.2×
- 47SarajevoFederation of B&H, Bosnia and Herzegovina 962.2×
- 48JakartaJakarta, Indonesia 922.1×
- 49Puente AltoSantiago Metropolitan, Chile 902.0×
- 50Karachilow-cost sensorsSindh, Pakistan 892.0×
- 51CallaoCallao, Peru 881.9×
- 52LotaBiobio, Chile 881.9×
- 53Kampalalow-cost sensorsCentral Region, Uganda 871.9×
- 54Şabāḩ as SālimMubārak al Kabīr, Kuwait 851.8×
- 55Jacobo HunterArequipa, Peru 851.8×
- 56Neu-UlmBavaria, Germany 821.7×
- 57ValdiviaLos Ríos Region, Chile 801.6×
- 58HanoiHanoi, Vietnam 801.6×
- 59SangjuGyeongsangbuk-do, South Korea 791.6×
- 60Accralow-cost sensorsGreater Accra, Ghana 791.6×
- 61ShanghaiShanghai, China 781.6×
- 62SantiagoSantiago Metropolitan, Chile 781.6×
- 63TalaganteSantiago Metropolitan, Chile 781.6×
- 64EisenGyeongsangbuk-do, South Korea 771.5×
- 65Abujalow-cost sensorsFCT, Nigeria 761.5×
- 66KolkataWest Bengal, India 761.5×
- 67AyaseKanagawa, Japan 761.5×
- 68TongyeongGyeongsangnam-do, South Korea 761.5×
- 68SeogwipoJeju-do, South Korea 761.5×
- 68TsushimaNagasaki, Japan 761.5×
- 71PohangGyeongsangbuk-do, South Korea 751.5×
- 71ŌtsukiYamanashi, Japan 751.5×
- 73UozuToyama, Japan 751.5×
- 74HayangGyeongsangbuk-do, South Korea 751.5×
- 75MaputoMaputo City, Mozambique 741.4×
- 76Jeju CityJeju-do, South Korea 741.4×
- 76CoquimboCoquimbo Region, Chile 741.4×
- 78QuinteroValparaiso, Chile 741.4×
- 79AndongGyeongsangbuk-do, South Korea 741.4×
- 80BusanBusan, South Korea 741.4×
- 81GijangBusan, South Korea 731.4×
- 81AshburtonCanterbury, New Zealand 731.4×
- 83KamisuIbaraki, Japan 731.4×
- 84NaesŏGyeongsangnam-do, South Korea 731.4×
- 85BitolaBitola, North Macedonia 721.4×
- 85WaegwanGyeongsangbuk-do, South Korea 721.4×
- 85Cheongsong gunGyeongsangbuk-do, South Korea 721.4×
- 85ChangwonGyeongsangnam-do, South Korea 721.4×
- 89ItoigawaNiigata, Japan 721.4×
- 89YamanashiYamanashi, Japan 721.4×
- 91GyeongjuGyeongsangbuk-do, South Korea 721.4×
- 91KofuYamanashi, Japan 721.4×
- 91CopiapóAtacama, Chile 721.4×
- 94TakasakiGunma, Japan 721.3×
- 95SokchoGangwon-do, South Korea 711.3×
- 96KanchanaburiKanchanaburi, Thailand 711.3×
- 96UlsanUlsan, South Korea 711.3×
- 96Guatemala CityGuatemala, Guatemala 711.3×
- 96JōetsuNiigata, Japan 711.3×
- 100OurenseGalicia, Spain 701.3×
- 100ConcónValparaiso, Chile 701.3×
- 100ChangnyeongGyeongsangnam-do, South Korea 701.3×
- 103AntananarivoAnalamanga, Madagascar 701.3×
- 103NajuJeollanam-do, South Korea 701.3×
- 103La SerenaCoquimbo Region, Chile 701.3×
- 103AntofagastaAntofagasta, Chile 701.3×
- 107MinamirinkanKanagawa, Japan 701.3×
- 107NagaiYamagata, Japan 701.3×
- 107PúchovTrenčín Region, Slovakia 701.3×
- 107Little RockArkansas, United States 701.3×
- 111ShiroishiMiyagi, Japan 701.3×
- 112ShibataNiigata, Japan 691.3×
- 112ChocopeLa Libertad, Peru 691.3×
- 112Nepeanlow-cost sensorsOntario, Canada 691.3×
- 115Viña del MarValparaiso, Chile 691.3×
- 116AiharaKanagawa, Japan 691.3×
- 116UngsangGyeongsangnam-do, South Korea 691.3×
- 116LochristiFlanders, Belgium 691.3×
- 116BartlettTennessee, United States 691.3×
- 120ImizuToyama, Japan 691.2×
- 120SadoNiigata, Japan 691.2×
- 122Quezon Citylow-cost sensorsNational Capital Region, Philippines 691.2×
- 122ChigasakiKanagawa, Japan 691.2×
- 122YonezawaYamagata, Japan 691.2×
- 125YeongjuGyeongsangbuk-do, South Korea 691.2×
- 125MiryangGyeongsangnam-do, South Korea 691.2×
- 125CatañoCataño, Puerto Rico 691.2×
- 128KimhaeGyeongsangnam-do, South Korea 681.2×
- 128NyūzenToyama, Japan 681.2×
- 130MikuniFukui, Japan 681.2×
- 131SuwaNagano, Japan 681.2×
- 131RabinalBaja Verapaz, Guatemala 681.2×
- 133UnnanShimane, Japan 681.2×
- 134YangsanGyeongsangnam-do, South Korea 681.2×
- 134SakuNagano, Japan 681.2×
- 134GotembaShizuoka, Japan 681.2×
- 134AricaArica y Parinacota Region, Chile 681.2×
- 138JangheungJeollanam-do, South Korea 671.2×
- 139Tottori-shiTottori, Japan 671.2×
- 139HimimachiToyama, Japan 671.2×
- 139GwangyangJeollanam-do, South Korea 671.2×
- 142GaigeturiJeju-do, South Korea 671.2×
- 142ŌmeTokyo, Japan 671.2×
- 142UžiceCentral Serbia, Serbia 671.2×
- 142HadongGyeongsangnam-do, South Korea 671.2×
- 146MatsumotoNagano, Japan 671.2×
- 147Fukui-shiFukui, Japan 671.2×
- 147MinawaKanagawa, Japan 671.2×
- 147ChikuseiIbaraki, Japan 671.2×
- 147TsuchiuraIbaraki, Japan 671.2×
- 151NamerikawaToyama, Japan 661.2×
- 151HiratsukaKanagawa, Japan 661.2×
- 151SagaeYamagata, Japan 661.2×
- 154GoseongGyeongsangnam-do, South Korea 661.2×
- 154OkayaNagano, Japan 661.2×
- 154NaganoNagano, Japan 661.2×
- 157YeojuGyeonggi-do, South Korea 661.1×
- 157ChinjuGyeongsangnam-do, South Korea 661.1×
- 157MiyazuKyoto, Japan 661.1×
- 157WangarattaVictoria, Australia 661.1×
- 161ToyamaToyama, Japan 661.1×
- 161NiigataNiigata, Japan 661.1×
- 161NagaokaNiigata, Japan 661.1×
- 161Kameda-honchōNiigata, Japan 661.1×
- 161KōriyamaFukushima, Japan 661.1×
- 166KalasinKalasin, Thailand 661.1×
- 167IidaNagano, Japan 661.1×
- 167FukushimaFukushima, Japan 661.1×
- 169TetovoTetovo, North Macedonia 651.1×
- 169AtsugiKanagawa, Japan 651.1×
- 169TokiGifu, Japan 651.1×
- 169KakudaMiyagi, Japan 651.1×
- 169WeidenBavaria, Germany 651.1×
- 174TakayamaGifu, Japan 651.1×
- 174TakaokaToyama, Japan 651.1×
- 174OdawaraKanagawa, Japan 651.1×
- 174RoeselareFlanders, Belgium 651.1×
- 174KagaIshikawa, Japan 651.1×
- 179Niitsu-honchōNiigata, Japan 651.1×
- 179MasudaShimane, Japan 651.1×
- 179EvergemFlanders, Belgium 651.1×
- 182YokohamaKanagawa, Japan 651.1×
- 182Ōdachō-ōdaShimane, Japan 651.1×
- 182GōtsuchōShimane, Japan 651.1×
- 182YamagataYamagata, Japan 651.1×
- 182JaénAndalusia, Spain 651.1×
- 182TonamiToyama, Japan 651.1×
- 188ObamaFukui, Japan 651.1×
- 188MatsutōIshikawa, Japan 651.1×
- 188IzumoShimane, Japan 651.1×
- 188GifuGifu, Japan 651.1×
- 188NakaIbaraki, Japan 651.1×
- 193ShironeNiigata, Japan 641.1×
- 193MakiNiigata, Japan 641.1×
- 193Kashima-shiIbaraki, Japan 641.1×
- 193Ulan BatorUlaanbaatar, Mongolia 641.1×
- 193SpringdaleArkansas, United States 641.1×
- 198AshgabatAshgabat, Turkmenistan 641.1×
- 198HadanoKanagawa, Japan 641.1×
- 198OwariasahiAichi, Japan 641.1×
Top 200 of 2,233 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.
Use this board
SmogRank, most polluted cities, PM2.5, June 25, 2024, smogrank.com/history/2024-06-25 (accessed 3 Oct 2026).
You're welcome to reuse a single chart, image or figure with this citation and a link. Terms.