Portland, Oregon, USA Air Quality
Monitoring Station
· Lents, United States
52
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
57
12am
52
65
65
3am
65
65
72
6am
72
72
72
9am
72
72
72
12pm
92
92
—
3pm
—
—
—
6pm
—
—
—
9pm
—
—
Station readings
57
52
CAMS model
adj +38
27
27
27
27
27
27
34
34
34
34
34
34
34
54
54
Air Quality Forecast (24h)
PM2.512.6 µg/m³
✓ WHO
Moderate
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T03:54 UTC.