NE Grant St Collocation
Monitoring Station
· Hillsboro, United States
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
28
9pm
24
15
15
12am
15
27
40
3am
65
65
65
6am
65
40
40
9am
40
—
—
12pm
—
—
—
3pm
—
—
—
6pm
—
—
Station readings
28
24
CAMS model
adj -10
37
25
25
25
25
37
50
75
75
75
75
50
50
50
Air Quality Trend (24h)
PM2.55.8 µg/m³
✓ WHO
Good
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T00:13 UTC.