NE Grant St Collocation Air Quality

Monitoring Station · Hillsboro, United States
95
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
81 8pm
95
62
62 11pm
62
62
62 2am
62
62
62 5am
69
69
69 8am
69
—
— 11am
—
—
— 2pm
—
—
— 5pm
—
—
Station readings
81
95
CAMS model adj +35
27
27
27
27
27
27
27
27
27
27
34
34
34
34

Air Quality Forecast (24h)

PM2.532.9 µg/m³ ×2.2 WHO
Moderate
View city history →

Nearby Monitoring Stations

57
Hillsboro, Oregon, USA
0.0 km PM2.5: 15.0 µg/m³
40
Forest Grove Pacific University
10.4 km PM2.5: 9.6 µg/m³
26
Beaverton, Oregon, USA
13.8 km PM2.5: 6.2 µg/m³
54
Portland Roosevelt High School
19.5 km PM2.5: 13.4 µg/m³
57
Portland Lincoln High School
22.2 km PM2.5: 14.9 µg/m³
42
Portland Benson High School
25.0 km PM2.5: 10.1 µg/m³
63
Vancouver-Fort Vancouver Way
27.7 km PM2.5: 17.7 µg/m³

Nearby Cities

94 Hillsboro 80 Bethany 90 Aloha 41 Forest Grove 99 Beaverton 83 Tigard 83 Sherwood 76 Tualatin 65 Newberg

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T23:00 UTC.