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Saint Clair (Michigan) (US)

Air Quality Trend (last 7 days)

Good (0-50)
Moderate (51-100)
Unhealthy for Sensitive Groups (101-150)
Unhealthy (151-200)
Very Unhealthy (201-300)
Hazardous (300+)

Weather - 48h MET Norway

Partly cloudy
-17°C
Partly cloudy
Humidity
75.8%
Wind
3 m/s
Pressure
1028.6 hPa
Direction
281°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
-17° / -8°
Precip.
0.6mm
Max wind
5.3 m/s

Hourly Forecast

31.01
Now
Weather
-17°
31.01
03:00
Weather
-17°
31.01
04:00
Weather
-17°
31.01
05:00
Weather
-16°
31.01
06:00
Weather
-16°
31.01
07:00
Weather
-16°
31.01
08:00
Weather
-15°
31.01
09:00
Weather
-14°
31.01
10:00
Weather
-13°
0.2
31.01
11:00
Weather
-13°
0.1
31.01
12:00
Weather
-13°
31.01
13:00
Weather
-13°
31.01
14:00
Weather
-13°
31.01
15:00
Weather
-12°
31.01
16:00
Weather
-11°
31.01
17:00
Weather
-10°
0.1
31.01
18:00
Weather
-10°
0.1
31.01
19:00
Weather
-9°
0.1
31.01
20:00
Weather
-8°
31.01
21:00
Weather
-8°
5
31.01
22:00
Weather
-9°
5
31.01
23:00
Weather
-9°
01.02
00:00
Weather
-9°
01.02
01:00
Weather
-9°

Temperature

-8°C
-17°C
02:00
-17°C
03:00
-17°C
04:00
-17°C
05:00
-16°C
06:00
-16°C
07:00
-16°C
08:00
-15°C
09:00
-14°C
10:00
-13°C
11:00
-13°C
12:00
-13°C
13:00
-13°C
14:00
-13°C
15:00
-12°C
16:00
-11°C
17:00
-10°C
18:00
-10°C
19:00
-9°C
20:00
-8°C
21:00
-8°C
22:00
-9°C
23:00
-9°C
00:00
-9°C
01:00
-9°C
02:00 13:00 01:00

Precipitation

0.2mm
0mm
10:00
0.2mm
11:00
0.1mm
17:00
0.1mm
18:00
0.1mm
19:00
0.1mm
02:00 13:00 01:00

Wind

5.3m/s
0m/s
02:00
3 m/s
03:00
3.1 m/s
04:00
3.2 m/s
05:00
3.6 m/s
06:00
3.6 m/s
07:00
4.1 m/s
08:00
4.2 m/s
09:00
4.3 m/s
10:00
3.9 m/s
11:00
2.7 m/s
12:00
1.9 m/s
13:00
1.9 m/s
14:00
1.7 m/s
15:00
1.6 m/s
16:00
1.7 m/s
17:00
2.1 m/s
18:00
2.2 m/s
19:00
3.8 m/s
20:00
5 m/s
21:00
5.3 m/s
22:00
5.1 m/s
23:00
4.8 m/s
00:00
4.9 m/s
01:00
5 m/s
02:00 13:00 01:00

Radiation

0.027 uSv
92.3 km
3.4%

Measurement time: 2026-01-31 01:00

source: remap_europe

We display the worst measurements from all stations in the area. This approach provides a more cautious assessment of air quality, accounting for local pollution sources.

AQI
72.1 km
97
32.3%

Measurement time: 2026-01-31 03:00

Calculated from PM2.5/PM10

PM2.5
72.1 km
34 µg/m3
40.5%

Measurement time: 2026-01-31 03:00

source: Aqicn

O3
49.2 km
38.04 µg/m3
23.8%

Measurement time: 2026-01-31 03:52

source: OpenWeatherMap

NO2
49.2 km
31.96 µg/m3
16%

Measurement time: 2026-01-31 03:52

source: OpenWeatherMap

PM10
49.2 km
19.64 µg/m3
14%

Measurement time: 2026-01-31 03:52

source: OpenWeatherMap

CO
49.2 km
0.34764 mg/m3
2.5%

Measurement time: 2026-01-31 03:52

source: OpenWeatherMap

SO2
49.2 km
1.92 µg/m3
0.5%

Measurement time: 2026-01-31 03:52

source: OpenWeatherMap

Info


Region: Michigan
Latitude: 42.82087
Longitude: -82.48602


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0 W/m²
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About Air Quality in Saint Clair

Air quality in Saint Clair is monitored in real-time by sensors and measurement stations. On this page you'll find current data on major air pollutants including particulate matter PM2.5 and PM10, nitrogen dioxide (NO2), ozone (O3), and radiation levels.

Common Pollutants in Saint Clair

  • PM2.5 - fine particulate matter up to 2.5 micrometers, particularly harmful to health
  • PM10 - particulate matter up to 10 micrometers from traffic and industry
  • NO2 - nitrogen dioxide mainly emitted by vehicles
  • O3 - tropospheric ozone formed in photochemical reactions

When is Air Quality Best in Saint Clair?

Generally, the best air quality occurs:

  • Early morning (5:00-7:00 AM) before rush hour traffic
  • After rainfall which cleanses the atmosphere
  • During strong winds that disperse pollutants
  • In summer months when heating systems are less used

Tips for Runners in Saint Clair

If you're planning outdoor activities in Saint Clair, always check the current AQI value. When AQI exceeds 100, consider moving your workout indoors or shortening the distance. People with respiratory issues, children, and seniors should be especially cautious during elevated pollution levels. Choose routes away from busy streets and industrial areas.