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  4. Whatcom County
  5. Custer

Custer

Whatcom County, Washington

2026-04-30 20:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
68.6
PM10
μg/m³
26.9
PM2.5
μg/m³
3
Weather
  • ℃
  • ℉
21℃
62%
9 kph
4 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Custer-Loomis (SO-AQS)
AQI 30
Data Sources
http://www.airnow.gov/http://www.bcairquality.ca/

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