Where should we check the air?
Explore live particulate telemetry, AQI trends, and micro-climate sensor networks across the United States.
Trending:
Station Telemetry Active
San Francisco, CACalifornia
EPA Reporting Area: Central Station•Lat 37.77°, Lng -122.42°
Composite IAQ Index NIST CERTIFIED
42ExcellentTarget < 50
Air quality is satisfactory with little to no risk. Ideal conditions for outdoor activities.
Primary PollutantPM2.5
Recorded At08:24 AM - Sep 22
Forecast AQI
TodayGood
TomorrowNot Available