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  4. Whatcom County
  5. Sumas

Sumas

Whatcom County, Washington

2026-04-11 15:00
AQI (India)
Good
Pollutants|Pollens
PM10
μg/m³
19
PM2.5
μg/m³
11.3
Weather
  • ℃
  • ℉
11℃
81%
11 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • PM10
  • PM2.5
Data Sources
http://www.airnow.gov/

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