Today | Weather | Sunday, May 17, 2026

Weather in Grand Rapids, Michigan

03:46 AM
Now
Cloudy Weather
61° F
Feels Like 61°
Precipitation 6 %
Wind 5 mph
Humidity 91 %
Today
Stormy Weather
Day 81°
Night 66°
Precipitation 55 %
Wind 9 mph
UV Index (0 - 11+) 2

Grand Rapids Weather Forecast Updated

17 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (May 17, 2025)
Rainy Weather

Day

61°

Night

46°

Wind

15 mph

UV Index

3

Precipitation

96 %

Air Quality in Grand Rapids

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

Pollutant Concentrations:

PM2.5 5.81 µg/m³
PM10 5.97 µg/m³
O3 0.020 ppm
NO2 3 ppb
SO2 0.3 ppb
CO 0.14 ppm
NH3 1.03 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)
PM2.55.81 µg/m³
PM105.97 µg/m³
O338.94 µg/m³
NO25.58 µg/m³
SO20.67 µg/m³
CO162.89 µg/m³
NH31.03 µg/m³
NO0 µg/m³