Today | Weather | Wednesday, January 7, 2026

Weather in Ann Arbor, Michigan

04:23 PM
Now
Cloudy Weather
37° F
Feels Like 32°
Precipitation 0 %
Wind 8 mph
UV Index (0 - 11+) 0
Humidity 88 %
Today
Rainy Weather
Day 39°
Night 28°
Precipitation 45 %
Wind 7 mph
UV Index (0 - 11+) 1

Ann Arbor Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (January 7, 2025)
Cloudy Weather

Day

28°

Night

19°

Wind

11 mph

UV Index

2

Precipitation

25 %

Air Quality in Ann Arbor

NOW
52 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 12.71 µg/m³
PM10 13.53 µg/m³
O3 0.017 ppm
NO2 6.4 ppb
SO2 0.6 ppb
CO 0.26 ppm
NH3 0.37 µg/m³
NO 1.29 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.512.71 µg/m³
PM1013.53 µg/m³
O333.7 µg/m³
NO211.98 µg/m³
SO21.59 µg/m³
CO294.47 µg/m³
NH30.37 µg/m³
NO1.29 µg/m³