Air Quality in Ann Arbor, United States

Windy
21.5°C · 55.2% humidity
21.5°
Feels 21.5°
32
Good
Air quality is satisfactory. Enjoy outdoor activities.
9 stations

Nearby Monitoring Stations

AQI Forecast
27 9am
27
25
32 12pm
30
29
28 3pm
27
26
26 6pm
26
25
34 9pm
34
34
34 12am
27
27
27 3am
27
27
27 6am
27
34
AD 728×90

Air Quality Index Trend

45h · 12 stn

Ann Arbor's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

55.2%
Humidity
76.3 km/h
Wind WNW
1018.3 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
32
7.68 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Ann Arbor?

Temperature & Precipitation

PM2.5 Trend

45h · 12 stations
PM2.57.68 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX9.4
Very High
AD 300×250
Station readings (9 stations within 25 km)
7.68
Median
7.33
Average
5.18
Low
9.06
High
PM2.5 µg/m³ · Model: 6.0 · Bias: -1.7

What is the 7-day forecast for Ann Arbor?

09-05
21.5° 16.3°
09-06
27.4° 12.5°
09-07
22.1° 13.0°
8.0 mm
09-08
25.2° 14.6°
1.63 mm
09-09
27.9° 14.2°
0.88 mm
09-10
25.5° 12.8°
0.94 mm
09-11
32.8° 12.3°
0.44 mm
Both models agree Avg diff: 5.0°C

Where are air quality stations near Ann Arbor?

32
Ann Arbor City Hall
0.6 km PM2.5: 7.7 µg/m³
30
Ann Arbor Senior Center
1.8 km PM2.5: 7.1 µg/m³
61
Northside Community Center
2.4 km PM2.5: 16.9 µg/m³
38
Water Treatment Plant
2.7 km PM2.5: 9.1 µg/m³
36
Fire Station 6
3.9 km PM2.5: 8.6 µg/m³
32
Buhr Park
4.2 km PM2.5: 7.6 µg/m³
30
Bryant Community Center
5.4 km PM2.5: 7.2 µg/m³
22
Sugarbush Park
5.5 km PM2.5: 5.2 µg/m³
30
Wastewater Treatment Plant
6.4 km PM2.5: 7.2 µg/m³
26
Ypsilanti, Michigan, USA
12.3 km PM2.5: 6.2 µg/m³

What cities are near Ann Arbor?

26 Ypsilanti 23 Westland 25 Romulus 24 Wayne 19 Novi 22 Livonia 22 Garden City 22 Inkster 23 Farmington Hills 22 Redford
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T16:32 UTC.