Live Rankings
World Air Quality Rankings
Real-time AQI for 30 major cities, ranked worst to best. Data loads live on each visit.
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AQI Scale:
0–50 Good 51–100 Moderate 101–150 Sensitive 151–200 Unhealthy 201–300 Very Unhealthy 301+ Hazardous
Data from the World Air Quality Index (WAQI) project. Rankings refresh on each page visit. ← Search all 400+ cities