Today | Weather | Tuesday, July 21, 2026

Weather in St. Clair Shores, Michigan

03:11 AM
Now
Cloudy Weather
73° F
Feels Like 72°
Precipitation 49 %
Wind 10 mph
Humidity 80 %
Today
Stormy Weather
Day 82°
Night 57°
Precipitation 88 %
Wind 14 mph
UV Index (0 - 11+) 5

St. Clair Shores Weather Forecast Updated

Last updated on

Air Quality in St. Clair Shores

NOW
55 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 14.37 µg/m³
PM10 14.94 µg/m³
O3 0.040 ppm
NO2 1.9 ppb
SO2 0.5 ppb
CO 0.39 ppm
NH3 1.44 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.514.37 µg/m³
PM1014.94 µg/m³
O378.22 µg/m³
NO23.61 µg/m³
SO21.29 µg/m³
CO447.67 µg/m³
NH31.44 µg/m³
NO0 µg/m³