Ann Arbor City Hall
Monitoring Station
· Ann Arbor, United States
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
52
6pm
47
42
51
9pm
51
51
64
12am
64
64
51
3am
51
51
51
6am
64
—
—
9am
—
—
—
12pm
—
—
—
3pm
—
—
Station readings
52
47
42
CAMS model
adj +14
37
37
37
37
37
37
50
50
50
37
37
37
37
50
Air Quality Trend (24h)
PM2.510.2 µg/m³
✓ WHO
Good
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T21:29 UTC.