Today | Weather | Tuesday, July 21, 2026

Weather in Royal Oak, Michigan

03:10 AM
Now
Stormy Weather
72° F
Feels Like 68°
Precipitation 54 %
Wind 9 mph
Humidity 82 %
Today
Stormy Weather
Day 82°
Night 55°
Precipitation 88 %
Wind 12 mph
UV Index (0 - 11+) 5

Royal Oak Weather Forecast Updated

30 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (July 21, 2025)

Day

79°

Night

61°

Air Quality in Royal Oak

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

Pollutant Concentrations:

PM2.5 14.36 µg/m³
PM10 14.89 µg/m³
O3 0.040 ppm
NO2 1.7 ppb
SO2 0.4 ppb
CO 0.39 ppm
NH3 1.61 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)
PM2.514.36 µg/m³
PM1014.89 µg/m³
O378.05 µg/m³
NO23.28 µg/m³
SO21.17 µg/m³
CO452.43 µg/m³
NH31.61 µg/m³
NO0 µg/m³