Today | Weather | Sunday, August 9, 2026

Weather in Ann Arbor, Michigan

11:01 PM
Now
Cloudy Weather
70° F
Feels Like 72°
Precipitation 47 %
Wind 6 mph
Humidity 96 %
Today
Stormy Weather
Day 86°
Night 68°
Precipitation 57 %
Wind 7 mph

Ann Arbor Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (August 9, 2025)
Night

Day

90°

Night

68°

Wind

6 mph

Precipitation

4 %

Air Quality in Ann Arbor

NOW
36 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 6.06 µg/m³
PM10 6.42 µg/m³
O3 0.039 ppm
NO2 1.2 ppb
SO2 0.1 ppb
CO 0.12 ppm
NH3 1.74 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.56.06 µg/m³
PM106.42 µg/m³
O375.77 µg/m³
NO22.34 µg/m³
SO20.37 µg/m³
CO139.73 µg/m³
NH31.74 µg/m³
NO0 µg/m³