NE Grant St Collocation Air Quality

Monitoring Station · Hillsboro, United States
73
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
66 5am
73
66
66 8am
66
66
66 11am
66
66
66 2pm
66
73
73 5pm
73
73
— 8pm
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—
— 11pm
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— 2am
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Station readings
73
CAMS model adj +39
27
27
27
27
27
27
27
27
27
27
27
34
34
34
34

Air Quality Forecast (24h)

PM2.522.5 µg/m³ ×1.5 WHO
Moderate
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Nearby Monitoring Stations

69
Hillsboro, Oregon, USA
0.0 km PM2.5: 20.7 µg/m³
115
Hillsboro Hare Field, Oregon, USA
0.0 km PM2.5: 41.2 µg/m³
63
Forest Grove Pacific University
10.4 km PM2.5: 17.9 µg/m³
65
Beaverton, Oregon, USA
13.8 km PM2.5: 18.8 µg/m³
63
Beaverton, Oregon, USA
13.8 km PM2.5: 17.8 µg/m³
40
Portland Roosevelt High School
19.5 km PM2.5: 9.6 µg/m³
46
Portland Lincoln High School
22.2 km PM2.5: 11.0 µg/m³
75
Tualatin I-5 Roadway, Oregon, USA
22.8 km PM2.5: 23.5 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 2026-08-08T08:23 UTC.