US Air Quality Rankings
Compare air quality across major US cities and states. Updated hourly with real-time monitoring data.
Cities Tracked
151
States Covered
50
Update Frequency
Hourly
Live City Rankings
Real-time air quality rankings for major US cities, updated hourly from OpenWeather data.
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Live State Rankings
Real-time air quality rankings by state, calculated from city averages and updated hourly.
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Browse All Cities & States
Explore all tracked cities organized by state. Click any city for detailed air quality information.
Cities by State
California
42 cities
Los Angeles San Diego San Jose San Francisco Fresno Sacramento Long Beach Oakland Bakersfield Anaheim Santa Ana Riverside Stockton Irvine Chula Vista Fremont San Bernardino Modesto Fontana Moreno Valley Glendale Huntington Beach Santa Clarita Oxnard Garden Grove Oceanside Rancho Cucamonga Ontario Santa Rosa Elk Grove Corona Lancaster Palmdale Salinas Hayward Pomona Sunnyvale Escondido Pasadena Torrance Roseville Visalia
Florida
11 cities
Texas
21 cities