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
View city history →

Nearby Monitoring Stations

29
Portland Lane Middle School
2.8 km PM2.5: 7.0 µg/m³
82
Portland Postal Bldg., Oregon, USA
2.8 km PM2.5: 26.8 µg/m³
52
Portland Benson High School
5.1 km PM2.5: 12.4 µg/m³
45
Portland McDaniel High School
5.3 km PM2.5: 10.8 µg/m³
39
Portland Lincoln High School
7.1 km PM2.5: 9.3 µg/m³
34
Gresham Centennial High School
9.3 km PM2.5: 8.2 µg/m³
46
Vancouver-Blairmont Dr
14.4 km PM2.5: 11.0 µg/m³
41
Portland Roosevelt High School
14.8 km PM2.5: 9.8 µg/m³

Nearby Cities

54 Lents 54 Milwaukie 54 Happy Valley 54 Oak Grove 54 Lake Oswego 54 Gresham 26 West Linn 53 Tigard 26 Oregon City

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T03:54 UTC.