Cleanest cities in the world58Moderate

Live · world ranking

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AQI · US scale

Moderate

The freshest-air world cities of 50 reporting right now.

Rankings › Cleanest cities in the world

Cleanest Cities in the World Right Now

The cleanest major cities worldwide right now, ranked by lowest live US AQI from OpenAQ station data.

Right now (Nov 2026)

Right now the cleanest world city we track is Kuwait City at US AQI 2 (Good).

Good 0–50Satisfactory 51–100Moderate 101–200Poor 201–300Very Poor 301–400Severe 401–500

World cities ranked by live US AQI (cleanest first)

1 Kuwait CityKuwait GoodPM2.5 2 2 AucklandNew Zealand GoodPM2.5 3 3 HanoiVietnam GoodPM2.5 16 4 CebuPhilippines GoodPM2.5 18 5 JohannesburgSouth Africa GoodPM10 20 6 VancouverCanada GoodPM2.5 21 7 Los AngelesUnited States GoodPM2.5 22 8 Buenos AiresArgentina GoodO₃ 22 9 San FranciscoUnited States GoodPM2.5 22 10 SantiagoChile GoodPM2.5 24 11 Phnom PenhCambodia GoodPM2.5 28 12 TokyoJapan GoodPM2.5 28 13 SydneyAustralia GoodPM2.5 29 14 New YorkUnited States GoodPM2.5 31 15 SeattleUnited States GoodPM2.5 33 16 SofiaBulgaria GoodPM2.5 36 17 ManilaPhilippines GoodO₃ 39 18 DenverUnited States GoodPM2.5 41 19 KampalaUganda GoodPM10 41 20 WashingtonUnited States GoodPM2.5 44 21 OsakaJapan GoodPM2.5 50 22 AthensGreece GoodPM2.5 50 23 Hong KongHong Kong ModeratePM2.5 51 24 BusanSouth Korea ModeratePM2.5 53 25 TaipeiTaiwan ModeratePM2.5 53 26 SkopjeNorth Macedonia ModeratePM2.5 54 27 LagosNigeria ModeratePM2.5 54 28 ChicagoUnited States ModeratePM2.5 55 29 Chiang MaiThailand ModeratePM2.5 56 30 KrakowPoland ModeratePM10 58 31 LimaPeru ModeratePM2.5 58 32 TorontoCanada ModeratePM2.5 60 33 Cape TownSouth Africa ModeratePM2.5 60 34 SingaporeSingapore ModeratePM2.5 61 35 SeoulSouth Korea ModeratePM2.5 62 36 BangkokThailand ModeratePM2.5 67 37 DubaiUnited Arab Emirates ModeratePM2.5 67 38 ColomboSri Lanka ModeratePM10 70 39 YangonMyanmar ModeratePM2.5 71 40 LondonUnited Kingdom ModeratePM2.5 75 41 AmsterdamNetherlands ModeratePM2.5 80 42 BelgradeSerbia ModeratePM2.5 84 43 RiyadhSaudi Arabia ModeratePM2.5 89 44 Kuala LumpurMalaysia Unhealthy for Sensitive GroupsPM2.5 104 45 KathmanduNepal Unhealthy for Sensitive GroupsPM2.5 113 46 BeijingChina Unhealthy for Sensitive GroupsPM10 124 47 JakartaIndonesia Unhealthy for Sensitive GroupsPM2.5 146 48 PokharaNepal UnhealthyPM2.5 152 49 KarachiPakistan UnhealthyPM2.5 157 50 FaisalabadPakistan UnhealthyPM2.5 168

About the world’s cleanest cities

These are the cleanest-air major world cities on live OpenAQ data, US EPA scale, updated hourly. Coastal cities and those with strong environmental regulation and mild, windy climates typically lead. Rankings reflect the current hour — open any city for its full report.

Frequently asked questions

Which is the cleanest city in the world right now?

Kuwait City currently has the cleanest air among the world cities we track at US AQI 2.

Which AQI scale is this?

The US EPA AQI scale, so cities are comparable across countries.

How often does it update?

Hourly, from live OpenAQ station data.

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