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🌐 Cleanest Air

Cities with Best Air Quality in the World in 2026

The cities with the cleanest air worldwide — ranked by Air Quality Index for expats, families and health-conscious residents.

💨 How we rank: Cities are ranked by Air Quality Index (AQI) — lower is better. AQI 0–50 is Good, 51–100 is Moderate, 101–150 is Unhealthy for sensitive groups. PM2.5 (fine particulate matter) is shown as a secondary indicator — WHO guideline is under 15 μg/m³.

💨 GoodAQI: 14🔬 PM2.5: 4.8 μg/m³

SydneyAustralia

💨 GoodAQI: 18🔬 PM2.5: 2.4 μg/m³

CordobaArgentina

💨 GoodAQI: 18🔬 PM2.5: 9.3 μg/m³

RosarioArgentina

💨 GoodAQI: 19🔬 PM2.5: 4.1 μg/m³

CoimbatoreIndia

💨 GoodAQI: 20🔬 PM2.5: 2.2 μg/m³

💨 GoodAQI: 20🔬 PM2.5: 5.5 μg/m³

BrisbaneAustralia

💨 GoodAQI: 20🔬 PM2.5: 3.8 μg/m³

💨 GoodAQI: 21🔬 PM2.5: 4.9 μg/m³

MelbourneAustralia

💨 GoodAQI: 21🔬 PM2.5: 2.5 μg/m³

💨 GoodAQI: 22🔬 PM2.5: 2.7 μg/m³

💨 GoodAQI: 22🔬 PM2.5: 4.8 μg/m³

💨 GoodAQI: 23🔬 PM2.5: 5.8 μg/m³

💨 GoodAQI: 23🔬 PM2.5: 3.4 μg/m³

PeyanvilaiIndia

💨 GoodAQI: 23🔬 PM2.5: 4.1 μg/m³

💨 GoodAQI: 23🔬 PM2.5: 6 μg/m³

💨 GoodAQI: 23🔬 PM2.5: 4 μg/m³

💨 GoodAQI: 23🔬 PM2.5: 5.4 μg/m³

💨 GoodAQI: 23🔬 PM2.5: 8.1 μg/m³

AucklandNew Zealand

💨 GoodAQI: 23🔬 PM2.5: 5.1 μg/m³

Zamboanga CityPhilippines

💨 GoodAQI: 24🔬 PM2.5: 4.3 μg/m³

NurembergGermany

💨 GoodAQI: 24🔬 PM2.5: 3.4 μg/m³

💨 GoodAQI: 24🔬 PM2.5: 5 μg/m³

FrankfurtGermany

💨 GoodAQI: 25🔬 PM2.5: 3.5 μg/m³

💨 GoodAQI: 25🔬 PM2.5: 5.3 μg/m³

BrusselsBelgium

💨 GoodAQI: 25🔬 PM2.5: 4.8 μg/m³

💨 GoodAQI: 25🔬 PM2.5: 3.8 μg/m³

RotterdamNetherlands

💨 GoodAQI: 25🔬 PM2.5: 5.3 μg/m³

Buenos AiresArgentina

💨 GoodAQI: 25🔬 PM2.5: 6.9 μg/m³

AmsterdamNetherlands

💨 GoodAQI: 25🔬 PM2.5: 5.5 μg/m³

AdelaideAustralia

💨 GoodAQI: 25🔬 PM2.5: 6 μg/m³

💨 Best air quality in other regions

🇪🇺 Europe 🌏 Southeast Asia 🌎 Latin America 🌍 Africa 🕌 Middle East 🌎 North America 🌏 South Asia 🏰 Eastern Europe

Clean air sorted. What about safety and cost?

Find cities that score well across all the factors that matter.

🛡️ Safest Cities in the World 💰 Cheapest Cities in the World