Today | Weather | Sunday, August 30, 2026

Weather in Ann Arbor, Michigan

01:09 AM
Now
Rainy Weather
64° F
Feels Like 63°
Precipitation 56 %
Wind 5 mph
Humidity 87 %
Today
Sunny with a Chance of Thunderstorms
Day 82°
Night 66°
Precipitation 84 %
Wind 8 mph
UV Index (0 - 11+) 3

Ann Arbor Weather Forecast Updated

52 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (August 30, 2025)
Cloudy Night

Day

73°

Night

45°

Wind

4 mph

Precipitation

2 %

Air Quality in Ann Arbor

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

Pollutant Concentrations:

PM2.5 8.19 µg/m³
PM10 9.53 µg/m³
O3 0.020 ppm
NO2 3.2 ppb
SO2 0.2 ppb
CO 0.12 ppm
NH3 3.14 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)
PM2.58.19 µg/m³
PM109.53 µg/m³
O338.58 µg/m³
NO25.99 µg/m³
SO20.43 µg/m³
CO141.75 µg/m³
NH33.14 µg/m³
NO0 µg/m³