All 3,291 cities by PM2.5, last 30 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.

=1859La GrandeOregon, United States 37 US AQI▼164
=1859CeutaCeuta, Spain 37 US AQI
=1859ChikuseiIbaraki, Japan 37 US AQI▼112
=1859KikugawaShizuoka, Japan 37 US AQI▼17
=1859HabikinoOsaka, Japan 37 US AQI▼110
=1859NantanKyoto, Japan 37 US AQI▼107
=1859Dodong-riGyeongsangbuk-do, South Korea 37 US AQI▼106
=1908KlaipėdaKlaipėda County, Lithuania 36 US AQI
=1908DimitrovgradHaskovo, Bulgaria 36 US AQI▼247
=1908Maputolast full day 8 OctMaputo City, Mozambique 36 US AQI▼246
=1908YokosukaKanagawa, Japan 36 US AQI▼153
=1908TsuyamaOkayama, Japan 36 US AQI▼207
=1908TokyoTokyo, Japan 36 US AQI▼206
=1908OyamaTochigi, Japan 36 US AQI▼151
=1908MorohongōSaitama, Japan 36 US AQI▼203
=1908HiratsukaKanagawa, Japan 36 US AQI▼147
=1908HimejiHyōgo, Japan 36 US AQI▼107
=1908AshikagaTochigi, Japan 36 US AQI▼105
=1908AioiHyōgo, Japan 36 US AQI▼146
=1908SayamaSaitama, Japan 36 US AQI▼145
=1908YamagataYamagata, Japan 36 US AQI▼198
=1908IchinomiyaChiba, Japan 36 US AQI▼237
=1908ChristchurchCanterbury, New Zealand 36 US AQI▼274
=1908Jumillalast full day 11 OctMurcia, Spain 36 US AQI
=1908GħarbL-Għarb, Malta 36 US AQI▼273
=1908WorthingEngland, United Kingdom 36 US AQI
=1908MaidstoneEngland, United Kingdom 36 US AQI
=1908PayerneVaud, Switzerland 36 US AQI▼236
=1908GroningenGroningen, The Netherlands 36 US AQI▼193
=1908BadhoevedorpNorth Holland, The Netherlands 36 US AQI▼234
=1908HalleinSalzburg, Austria 36 US AQI▼191
=1908MolFlanders, Belgium 36 US AQI▼190
=1908HasseltFlanders, Belgium 36 US AQI▼188
=1908Warsteinlast full day 10 OctNorth Rhine-Westphalia, Germany 36 US AQI
=1908Braunschweiglast full day 10 OctLower Saxony, Germany 36 US AQI▼183
=1908LyonAuvergne-Rhône-Alpes, France 36 US AQI▼137
=1908GrenobleAuvergne-Rhône-Alpes, France 36 US AQI▼179
=1908DieppeNormandy, France 36 US AQI▲132
=1908AnnemasseAuvergne-Rhône-Alpes, France 36 US AQI▼177
=1908SarriaGalicia, Spain 36 US AQI
=1908MariborUrban Municipality of Maribor, Slovenia 36 US AQI▼174
=1908AbasoloGuanajuato, Mexico 36 US AQI▼134
=1908Lexington-FayetteKentucky, United States 36 US AQI▼133
=1908ClemmonsNorth Carolina, United States 36 US AQI▼130
=1908SpringfieldOhio, United States 36 US AQI▼129
=1908HendersonvilleTennessee, United States 36 US AQI▼168
=1908ChicagoIllinois, United States 36 US AQI▼78
=1908BerkeleyCalifornia, United States 36 US AQI▼127
=1908BrawleyCalifornia, United States 36 US AQI▼217
=1908GuadalupeCalifornia, United States 36 US AQI▼164
=1908Morro Baylast full day 7 OctCalifornia, United States 36 US AQI▼163
=1908UkiahCalifornia, United States 36 US AQI▼70
=1908SmithfieldUtah, United States 36 US AQI▼162
=1908BandōIbaraki, Japan 36 US AQI▼121
=1908KagaIshikawa, Japan 36 US AQI▼160
=1908AzaminoKanagawa, Japan 36 US AQI▼118
=1908MimaTokushima, Japan 36 US AQI▼117
=1958YonagoTottori, Japan 36 US AQI▼164
=1958YanagawaFukuoka, Japan 36 US AQI▼163
=1958ToyonakaOsaka, Japan 36 US AQI▼160
=1958SanoTochigi, Japan 36 US AQI▼111
=1958SakataYamagata, Japan 36 US AQI▼202
=1958Nakamalast full day 11 OctFukuoka, Japan 36 US AQI▼291
=1958MiyoshiHiroshima, Japan 36 US AQI▼200
=1958Masudalast full day 11 OctShimane, Japan 36 US AQI▼252
=1958KumagawaFukui, Japan 36 US AQI▼62
=1958KisarazuChiba, Japan 36 US AQI▼199
=1958KamakuraKanagawa, Japan 36 US AQI▼159
=1958HamakitaShizuoka, Japan 36 US AQI▲34
=1958SeirōNiigata, Japan 36 US AQI▼154
=1958MobaraChiba, Japan 36 US AQI▼152
=1958IwakiFukushima, Japan 36 US AQI▼102
=1958IchinosekiIwate, Japan 36 US AQI▼151
=1958HigashineYamagata, Japan 36 US AQI▼150
=1958KitamiHokkaido, Japan 36 US AQI▼149
=1958ManchesterEngland, United Kingdom 36 US AQI▲577
=1958StrausbergBrandenburg, Germany 36 US AQI▼320
=1958Stendallast full day 10 OctSaxony-Anhalt, Germany 36 US AQI▼143
=1958Sinnersdorflast full day 10 OctNorth Rhine-Westphalia, Germany 36 US AQI
=1958Lüneburglast full day 10 OctLower Saxony, Germany 36 US AQI▼280
=1958Bonnlast full day 10 OctNorth Rhine-Westphalia, Germany 36 US AQI
=1958Romans-sur-IsèreAuvergne-Rhône-Alpes, France 36 US AQI▼189
=1958RognacProvence-Alpes-Côte d'Azur, France 36 US AQI
=1958MontargisCentre-Val de Loire, France 36 US AQI▼1
=1958MetzGrand Est, France 36 US AQI▼188
=1958LavalPays de la Loire, France 36 US AQI
=1958CreilHauts-de-France, France 36 US AQI▼141
=1958AlbertvilleAuvergne-Rhône-Alpes, France 36 US AQI▼186
=1958SalamancaCastille and León, Spain 36 US AQI
=1958Medina del CampoCastille and León, Spain 36 US AQI
=1958Nova GoricaUrban Municipality of Nova Gorica, Slovenia 36 US AQI▼185
=1958LawrencevilleGeorgia, United States 36 US AQI▼139
=1958KennerLouisiana, United States 36 US AQI▼136
=1958LafayetteLouisiana, United States 36 US AQI▼135
=1958WavelandMississippi, United States 36 US AQI▼133
=1958LexingtonNorth Carolina, United States 36 US AQI▼132
=1958CamdenNew Jersey, United States 36 US AQI▼131
=1958ElkhartIndiana, United States 36 US AQI▼126
=1958PortageIndiana, United States 36 US AQI▼39
=1958DearbornMichigan, United States 36 US AQI▼83

What stands behind each figure: Checked at 2+ sites One reference monitor Low-cost sensors 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 30 days to 14 Oct 2026, 06:00 UTC: each city's mean of its daily means, cities measured on 21 or more of the 30 days. Monitor data from national networks via OpenAQ and the publishers listed at smogrank.com/sources. smogrank.com/rankings?w=30d. Ranked on low-cost sensors, with no reference monitor in the city: #1 Kasur, #2 Gujranwala, #3 Kuala Lumpur, #5 Lahore, #6 Faisalabad, #9 Peshawar and #10 Dhaka. Some values from Sensor.Community, ODbL. Some readings from Vietnam's government monitors; 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 low-cost readings: Sensor.Community, ODbL (data and licence). Some readings: Vietnam's government monitors; 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).