Today | Weather | Sunday, December 14, 2025

Weather in Ann Arbor, Michigan

08:09 AM
Now
Cloudy Weather
F
Feels Like -15°
Precipitation 12 %
Wind 15 mph
UV Index (0 - 11+) 0
Humidity 68 %
Today
Partly Sunny with a Chance of Snow
Day 19°
Night 10°
Precipitation 41 %
Wind 17 mph
UV Index (0 - 11+) 1

Ann Arbor Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (December 14, 2024)
Icy Road Conditions

Day

37°

Night

32°

Wind

9 mph

Precipitation

100 %

Air Quality in Ann Arbor

NOW
34 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.98 µg/m³
PM10 1.23 µg/m³
O3 0.036 ppm
NO2 2.2 ppb
SO2 0.3 ppb
CO 0.13 ppm
NH3 0.65 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)
PM2.50.98 µg/m³
PM101.23 µg/m³
O371.31 µg/m³
NO24.05 µg/m³
SO20.91 µg/m³
CO149.25 µg/m³
NH30.65 µg/m³
NO0 µg/m³