Hillsboro, Oregon, USA Air Quality

Monitoring Station · Hillsboro, United States
51
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
52 12am
51
117
117 3am
117
117
117 6am
117
117
117 9am
117
117
117 12pm
117
117
— 3pm
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— 6pm
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— 9pm
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Station readings
52
51
CAMS model adj +90
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27

Air Quality Forecast (24h)

PM2.512.1 µg/m³ ✓ WHO
Moderate
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Nearby Monitoring Stations

59
NE Grant St Collocation
0.0 km PM2.5: 16.1 µg/m³
35
Forest Grove Pacific University
10.4 km PM2.5: 8.4 µg/m³
47
Beaverton, Oregon, USA
13.8 km PM2.5: 11.3 µg/m³
41
Portland Roosevelt High School
19.5 km PM2.5: 9.8 µg/m³
39
Portland Lincoln High School
22.2 km PM2.5: 9.3 µg/m³
59
Tualatin I-5 Roadway, Oregon, USA
22.8 km PM2.5: 15.9 µg/m³
56
Tualatin I-5 Roadway, Oregon, USA
22.8 km PM2.5: 14.5 µg/m³
52
Portland Benson High School
25.0 km PM2.5: 12.4 µg/m³

Nearby Cities

26 Hillsboro 54 Bethany 53 Aloha 26 Forest Grove 54 Beaverton 53 Tigard 26 Sherwood 26 Tualatin 26 Newberg

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T03:45 UTC.