All 2,894 cities by PM2.5, last 7 days

Every city with enough measurements in this window, worst first.

CPCB in India: no readings since 12 Oct (488 monitors). EEA and Catalonia Medi Ambient I Sostenibilitat in Spain: no readings since 13 Oct (336 monitors). Their cities show older figures or are missing from this board, not clean.

Hide the 297 cities with only 1–2 sensors

These cities have only one or two low-cost sensors, and one cheap unit can read well off, so they take no rank. They sit at their place by value, marked –, and every ranked city keeps its number.

=1114IzunokuniShizuoka, Japan 47 US AQI▼52
=1114SaikaiNagasaki, Japan 47 US AQI▲79
not rankedLimassolLimassol, Cyprus 47 US AQI
=1138GyeongjuGyeongsangbuk-do, South Korea 46 US AQI▲58
=1138YonagoTottori, Japan 46 US AQI▲126
=1138YamaguchiYamaguchi, Japan 46 US AQI▲200
=1138UtsunomiyaTochigi, Japan 46 US AQI▲201
=1138ŌtsukiYamanashi, Japan 46 US AQI▲204
=1138ObitaNagasaki, Japan 46 US AQI▲61
=1138NobeokaMiyazaki, Japan 46 US AQI▲94
=1138NishinomiyaHyōgo, Japan 46 US AQI▲95
=1138KawaguchiTokushima, Japan 46 US AQI▲99
=1138KanumaTochigi, Japan 46 US AQI▲236
=1138IzumiKagoshima, Japan 46 US AQI▲35
=1138HōfuYamaguchi, Japan 46 US AQI▲167
=1138AshikagaTochigi, Japan 46 US AQI▲169
=1138TorideIbaraki, Japan 46 US AQI▲133
=1138ShinjōYamagata, Japan 46 US AQI▲38
=1138MookaTochigi, Japan 46 US AQI▲238
=1138KawasakiMiyagi, Japan 46 US AQI▲170
=1138LiverpoolNew South Wales, Australia 46 US AQI▲240
=1138BrisbaneQueensland, Australia 46 US AQI▲335
=1138GranadaAndalusia, Spain 46 US AQI
=1138El Planlast full day 11 OctMurcia, Spain 46 US AQI
=1138SereďTrnava Region, Slovakia 46 US AQI▼462
=1138Gorzów WielkopolskiLubusz, Poland 46 US AQI▼49
=1138MadridMadrid, Spain 46 US AQI
=1138BeneventoCampania, Italy 46 US AQI▼599
=1138SrbacSrpska, Bosnia and Herzegovina 46 US AQI▼12
=1138CampinasSão Paulo, Brazil 46 US AQI▼242
=1138GaryIndiana, United States 46 US AQI▲192
=1138King CityCalifornia, United States 46 US AQI▲81
=1138Santa MonicaCalifornia, United States 46 US AQI▼79
=1138Aizu-WakamatsuFukushima, Japan 46 US AQI▲154
=1138Tannum SandsQueensland, Australia 46 US AQI▲322
=1138HiragiKagawa, Japan 46 US AQI▲83
=1138YameFukuoka, Japan 46 US AQI▲159
=1172SvishtovVeliko Tarnovo, Bulgaria 46 US AQI▼104
=1172SanzhiTaipei, Taiwan 46 US AQI▲494
=1172YokosukaKanagawa, Japan 46 US AQI▲165
=1172UrayasuChiba, Japan 46 US AQI▲168
=1172TondabayashichōOsaka, Japan 46 US AQI▲199
=1172TakanabeMiyazaki, Japan 46 US AQI▼222
=1172ShironeNiigata, Japan 46 US AQI▲131
=1172SakuNagano, Japan 46 US AQI▲292
=1172OkayamaOkayama, Japan 46 US AQI▲96
=1172KumagawaFukui, Japan 46 US AQI▲175
=1172KochiKochi, Japan 46 US AQI▲64
=1172HirakataOsaka, Japan 46 US AQI▲98
=1172ŌmihachimanShiga, Japan 46 US AQI▲238
=1172NaritaChiba, Japan 46 US AQI▲69
=1172MobaraChiba, Japan 46 US AQI▲101
=1172ChibaChiba, Japan 46 US AQI▲137
=1172Toongabbie WestNew South Wales, Australia 46 US AQI▼55
=1172RockhamptonQueensland, Australia 46 US AQI▲265
=1172MackayQueensland, Australia 46 US AQI▲266
=1172MostaIl-Mosta, Malta 46 US AQI▼240
=1172WolfsbergCarinthia, Austria 46 US AQI▼457
=1172KościerzynaPomerania, Poland 46 US AQI▼48
=1172GarcíaNuevo León, Mexico 46 US AQI▲150
=1172Kendale LakesFlorida, United States 46 US AQI▲15
=1172KaufmanTexas, United States 46 US AQI▼17
=1172Iowa CityIowa, United States 46 US AQI▲222
=1172Elmwood ParkIllinois, United States 46 US AQI▲113
=1172PeoriaIllinois, United States 46 US AQI▲188
=1172Alta SierraCalifornia, United States 46 US AQI▲224
=1172LivermoreCalifornia, United States 46 US AQI▲89
=1172KagaIshikawa, Japan 46 US AQI▲162
=1172YachiyoChiba, Japan 46 US AQI▲121
=1172Candler-McAfeeGeorgia, United States 46 US AQI▲287
=1172MotonaChiba, Japan 46 US AQI▲230
not rankedNéa ErythraíaAttica, Greece 46 US AQI
=1206VilniusVilnius, Lithuania 45 US AQI▲458
=1206VratsaVratsa, Bulgaria 45 US AQI▼507
=1206KameokaKyoto, Japan 45 US AQI▲143
=1206IzumiOsaka, Japan 45 US AQI▲144
=1206IkomaNara, Japan 45 US AQI▲169
=1206HimejiHyōgo, Japan 45 US AQI▲100
=1206FujiedaShizuoka, Japan 45 US AQI▼62
=1206TomakomaiHokkaido, Japan 45 US AQI▲230
=1206Coffs HarbourNew South Wales, Australia 45 US AQI▲308
=1206Murcialast full day 11 OctMurcia, Spain 45 US AQI
=1206JaénAndalusia, Spain 45 US AQI
=1206WeizStyria, Austria 45 US AQI▼318
=1206TullnLower Austria, Austria 45 US AQI▼407
=1206LeibnitzStyria, Austria 45 US AQI▼448
=1206EdenderryLeinster, Ireland 45 US AQI▲211
=1206KroměřížZlín, Czechia 45 US AQI▼83
=1206BrnoSouth Moravian, Czechia 45 US AQI▼155
=1206SalernoCampania, Italy 45 US AQI▼514
=1206SaldanhaWestern Cape, South Africa 45 US AQI▼153
=1206CincinnatiOhio, United States 45 US AQI▲185
=1206ElkhartIndiana, United States 45 US AQI▲217
=1206BeatriceNebraska, United States 45 US AQI▲125
=1206Grand IslandNebraska, United States 45 US AQI▼112
=1206OregonOhio, United States 45 US AQI▲81
=1206Sioux FallsSouth Dakota, United States 45 US AQI▼47
=1206DavisCalifornia, United States 45 US AQI▼46
=1206LewistonIdaho, United States 45 US AQI▼333
=1206White CenterWashington, United States 45 US AQI▼416

What stands behind each figure: Checked at 2+ sites One reference monitor Low-cost sensors 1–2 sensors, not ranked About these marks

Low-cost sensors: consumer units, counted only in cities with no government-grade monitor; they read close to reference monitors on the whole, but 15 to 25% high in humid air. How we use them.

Good0–50

Moderate51–100

Unhealthy for 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, Turkey and Iran, which publish only on their own websites. We are building the reader for China's network. The networks of Turkey and Iran don't answer requests from outside their countries, so we can't read them. Most cities there are missing from this board, not clean. Why.

Use this board

SmogRank, all cities ranked by mean PM2.5 (µg/m³), last 7 days to 14 Oct 2026, 06:00 UTC: each city's mean of its daily means, cities measured on 5 or more of the 7 days. Monitor data from national networks via OpenAQ and the publishers listed at smogrank.com/sources. smogrank.com/rankings?w=7d. Ranked on low-cost sensors, with no reference monitor in the city: #1 Kuala Lumpur, #3 Dhaka, #4 Faisalabad, #5 Kasur, #6 Gujranwala, #7 Lahore, #8 Peshawar, #9 Multan and #10 Jakarta. Some readings from Vietnam's government monitors; Uzhydromet (Uzbekistan's Hydrometeorological Service); Aurassure; Department of Environment, Nepal; RMCAB (Secretaría Distrital de Ambiente, Bogotá); Love My Air (City and County of Denver); Umhverfisstofnun (Environment Agency of Iceland), no reuse terms published.

Download top 10 (PNG)

You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.

Updated 2026-10-14 06:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index. Some readings: Vietnam's government monitors; Uzhydromet (Uzbekistan's Hydrometeorological Service); Aurassure; Department of Environment, Nepal; RMCAB (Secretaría Distrital de Ambiente, Bogotá); Love My Air (City and County of Denver); Umhverfisstofnun (Environment Agency of Iceland), no reuse terms published (why we use them).