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.

56LeslieMpumalanga, South Africa 89 US AQI▼12
=57QibrayTashkent Region, Uzbekistan 89 US AQI
=57AbujaFCT, Nigeria 89 US AQI▼10
not rankedHong KongHong Kong 88 US AQI
not rankedTubanBali, Indonesia 88 US AQI
not rankedHo Chi Minh CityHo Chi Minh City (HCMC), Vietnam 88 US AQI
59HualpénBiobio, Chile 88 US AQI▼9
60Saint-LouisSaint-Louis, Senegal 87 US AQI▲5
61SeonghwanChungcheongnam-do, South Korea 86 US AQI▼5
not rankedPhotharamRatchaburi, Thailand 86 US AQI
62IstanbulIstanbul, Turkey 85 US AQI▼5
not rankedUlan BatorUlaanbaatar, Mongolia 85 US AQI
63ValdiviaLos Ríos Region, Chile 84 US AQI▼9
64IloiloWestern Visayas, Philippines 84 US AQI▲3
not rankedNang RongBuriram, Thailand 84 US AQI
=65BanepāBagmati Province, Nepal 84 US AQI
=65PubalGyeonggi-do, South Korea 84 US AQI▲7
67Wan ChaiWan Chai, Hong Kong 83 US AQI▲3
68Puerto VarasLos Lagos Region, Chile 83 US AQI▼16
=69JanakpurMadhesh, Nepal 82 US AQI
=69TalgharAlmaty Region, Kazakhstan 82 US AQI▼14
not rankedKangarPerlis, Malaysia 82 US AQI
not rankedPran BuriPrachuap Khiri Khan, Thailand 82 US AQI
not rankedSadaoSongkhla, Thailand 82 US AQI
71Târgu MureşMureș County, Romania 82 US AQI▼18
72PyeongtaekGyeonggi-do, South Korea 82 US AQI▼4
73DeukhurīLumbini Province, Nepal 82 US AQI
not rankedLubangoHuíla, Angola 82 US AQI
not rankedByblosMount Lebanon, Lebanon 81 US AQI
not rankedEl ShoroukCairo, Egypt 81 US AQI
=74KimjeJeollabuk-do, South Korea 81 US AQI▼5
=74PrijedorSrpska, Bosnia and Herzegovina 81 US AQI▼11
not rankedBan MaiSongkhla, Thailand 81 US AQI
not rankedThawi WatthanaBangkok, Thailand 80 US AQI
not rankedDavaoDavao Region, Philippines 80 US AQI
not rankedIrpinKyiv Oblast, Ukraine 80 US AQI
not rankedNicosiaNicosia, Cyprus 80 US AQI
=76La UniónLos Ríos Region, Chile 79 US AQI▼18
=76Lak SiBangkok, Thailand 79 US AQI▲6
not rankedBang Bua ThongNonthaburi, Thailand 79 US AQI
78Novi PazarCentral Serbia, Serbia 79 US AQI▼14
not rankedAcreNorthern District, Israel 79 US AQI
=79TangjinChungcheongnam-do, South Korea 79 US AQI▼5
=79CuranilahueBiobio, Chile 79 US AQI▼8
=79Madhyapur ThimiBagmati Province, Nepal 79 US AQI
not rankedViadanaLombardy, Italy 79 US AQI
82KamaqhekezaMpumalanga, South Africa 78 US AQI▼5
not rankedZikhron Ya‘aqovHaifa, Israel 78 US AQI
=83Ban Samae DamBangkok, Thailand 78 US AQI▼3
=83Tuen MunTuen Mun, Hong Kong 78 US AQI▲35
not rankedBen GuerirMarrakesh-Safi, Morocco 77 US AQI
85Phra PradaengSamut Prakan, Thailand 77 US AQI▼7
not rankedBang Pa-inPhra Nakhon Si Ayutthaya, Thailand 77 US AQI
86PattaniPattani, Thailand 77 US AQI▼13
=87QuettaBalochistan, Pakistan 77 US AQI▼12
=87IksanJeollabuk-do, South Korea 77 US AQI▲13
=87NilópolisRio de Janeiro, Brazil 77 US AQI▲7
=87Khlong Sam WaBangkok, Thailand 77 US AQI▲1
=91JouniehMount Lebanon, Lebanon 76 US AQI▲37
=91Khlong LuangPathum Thani, Thailand 76 US AQI▲1
not rankedZahléBekaa, Lebanon 76 US AQI
=93TetovoTetovo, North Macedonia 76 US AQI▼31
=93BuanJeollabuk-do, South Korea 76 US AQI▲5
not rankedDurleştiChișinău Municipality, Moldova 76 US AQI
=95KathmanduBagmati Province, Nepal 75 US AQI▼35
=95Khon KaenKhon Kaen, Thailand 75 US AQI▲18
=95WanjuJeollabuk-do, South Korea 75 US AQI▲10
=95GunsanJeollabuk-do, South Korea 75 US AQI▲7
=99Quezon CityNational Capital Region, Philippines 75 US AQI▼20
=99Lat KrabangBangkok, Thailand 75 US AQI▲9
=99Khan Na YaoBangkok, Thailand 75 US AQI▼3
not rankedBan Bang KadiPathum Thani, Thailand 75 US AQI
102Ban ChangRayong, Thailand 75 US AQI
=103AlmatyAlmaty, Kazakhstan 75 US AQI▼37
=103YesanChungcheongnam-do, South Korea 75 US AQI▲6
not rankedPort of SpainPort of Spain, Trinidad and Tobago 75 US AQI
105EmalahleniMpumalanga, South Africa 75 US AQI
=106PhuntsholingChukha, Bhutan 74 US AQI▼13
=106Nong KhaemBangkok, Thailand 74 US AQI▲10
not rankedHang DongChiang Mai, Thailand 74 US AQI
=108Tin Shui WaiYuen Long, Hong Kong 74 US AQI▲59
=108Puerto MonttLos Lagos Region, Chile 74 US AQI▼21
=110Nakhon RatchasimaNakhon Ratchasima, Thailand 74 US AQI▲20
=110Gimpo-siGyeonggi-do, South Korea 74 US AQI▲28
=110Cremonalast full day 11 OctLombardy, Italy 74 US AQI
=110JeongeupJeollabuk-do, South Korea 74 US AQI▲13
not rankedSan KamphaengChiang Mai, Thailand 74 US AQI
114Banja LukaSrpska, Bosnia and Herzegovina 74 US AQI▼15
115Hwaseong-siGyeonggi-do, South Korea 74 US AQI▲20
=116Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya, Thailand 73 US AQI▲10
=116Bijelo PoljeBijelo Polje, Montenegro 73 US AQI▼35
=116SantiagoSantiago Metropolitan, Chile 73 US AQI▼9
=116Puerto AysénAysén, Chile 73 US AQI▼21
=120PinetownKwaZulu-Natal, South Africa 73 US AQI
=120ChillánÑuble, Chile 73 US AQI▼8
not rankedDrăgăşaniVâlcea County, Romania 73 US AQI
=122ModimolleLimpopo, South Africa 73 US AQI▲11
=122Ansan-siGyeonggi-do, South Korea 73 US AQI▲29
=122San CarlosÑuble, Chile 73 US AQI▼18
125IncheonIncheon, South Korea 73 US AQI▲19

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).