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  5. Hillsboro

Hillsboro

Washington County, Oregon

2026-10-09 13:00
AQI (China)
Good
Pollutants|Pollens
PM10
μg/m³
67.9
PM2.5
μg/m³
18.6
O3
μg/m³
66.8
NO2
μg/m³
8
CO
μg/m³
244
Weather
  • ℃
  • ℉
11℃
88%
2 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • PM2.5
  • O3
  • NO2
  • CO
Data Sources
http://www.airnow.gov/

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