Today | Weather | Saturday, January 3, 2026

Weather in Ann Arbor, Michigan

04:12 PM
Now
Snowy Weather
25° F
Feels Like 16°
Precipitation 61 %
Wind 7 mph
UV Index (0 - 11+) 0
Humidity 84 %
Today
Snowy Weather
Day 25°
Night 19°
Precipitation 65 %
Wind 6 mph
UV Index (0 - 11+) 1

Ann Arbor Weather Forecast Updated

47 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (January 3, 2025)
Snowy Weather

Day

28°

Night

19°

Wind

14 mph

UV Index

1

Precipitation

88 %

Air Quality in Ann Arbor

NOW
43 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 10.42 µg/m³
PM10 11.31 µg/m³
O3 0.032 ppm
NO2 6.4 ppb
SO2 0.7 ppb
CO 0.18 ppm
NH3 1.24 µg/m³
NO 1.25 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)
PM2.510.42 µg/m³
PM1011.31 µg/m³
O362.8 µg/m³
NO211.96 µg/m³
SO21.92 µg/m³
CO211.17 µg/m³
NH31.24 µg/m³
NO1.25 µg/m³