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  2. United States
  3. Michigan
  4. St. Clair County
  5. Port Huron

Port Huron

St. Clair County, Michigan

2026-01-20 18:00
AQI (US)
Good
Pollutants
PM2.5
μg/m³
3.6
SO2
μg/m³
0.6
Weather
  • ℃
  • ℉
-9℃
57%
28 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • SO2
Places included
PORT HURON
AQI 20
Data Sources
http://www.airnow.gov/

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