Today | Weather | Monday, September 21, 2026

Weather in St. Clair Shores, Michigan

05:29 PM
Now
Cloudy Weather
61° F
Feels Like 57°
Precipitation 1 %
Wind 13 mph
UV Index (0 - 11+) 1
Humidity 66 %
Today
Cloudy Weather
Day 63°
Night 48°
Precipitation 11 %
Wind 13 mph
UV Index (0 - 11+) 2

St. Clair Shores Weather Forecast Updated

Last updated on

Air Quality in St. Clair Shores

NOW
25 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.83 µg/m³
PM10 2.34 µg/m³
O3 0.027 ppm
NO2 2.6 ppb
SO2 1.1 ppb
CO 0.17 ppm
NH3 0.51 µg/m³
NO 0.26 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)
PM2.51.83 µg/m³
PM102.34 µg/m³
O353.31 µg/m³
NO24.84 µg/m³
SO22.81 µg/m³
CO197.64 µg/m³
NH30.51 µg/m³
NO0.26 µg/m³