Air Quality in West Linn, United States

Drizzle
31.0°C · 28.1% humidity
31.0°
Feels 31.0°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
12 stations

Nearby Monitoring Stations

AQI Forecast
34 2pm
34
27
25 5pm
27
27
27 8pm
27
27
25 11pm
25
25
25 2am
25
25
24 5am
25
25
25 8am
25
27
27 11am
27
27
AD 728×90

Air Quality Index Trend

48h · 3 stn

West Linn's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in West Linn is 1.2× the WHO annual guideline of 5 µg/m³.

28.1%
Humidity
53.0 km/h
Wind SSW
1020.7 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
25
6.02 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for West Linn?

Temperature & Precipitation

PM2.5 Trend

48h · 3 stations
PM2.56.02 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (12 stations within 25 km)
6.02
Median
5.3
Average
2.09
Low
9.6
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +1.3

What is the 7-day forecast for West Linn?

05-29
31.0° 10.3°
7.06 mm
05-30
16.5° 10.5°
0.62 mm
05-31
30.5° 12.3°
06-01
23.2° 6.4°
06-02
33.4° 8.9°
06-03
25.2° 7.7°
1.63 mm
06-04
22.7° 11.4°
Both models agree Avg diff: 4.1°C

Where are air quality stations near West Linn?

12
Portland Lane Middle School
11.8 km PM2.5: 2.8 µg/m³
27
Portland Postal Bldg., Oregon, USA
11.8 km PM2.5: 6.5 µg/m³
37
Portland Postal Bldg., Oregon, USA
11.8 km PM2.5: 8.9 µg/m³
20
Carus - Spangler Rd., Oregon, USA
12.0 km PM2.5: 4.8 µg/m³
37
Portland, Oregon, USA
14.6 km PM2.5: 8.9 µg/m³
33
Portland, Oregon, USA
14.6 km PM2.5: 7.9 µg/m³
17
Gresham Centennial High School
17.7 km PM2.5: 4.1 µg/m³
12
Portland Lincoln High School
18.0 km PM2.5: 3.0 µg/m³
12
Portland Benson High School
18.3 km PM2.5: 2.9 µg/m³
15
Beaverton, Oregon, USA
19.7 km PM2.5: 3.6 µg/m³

What cities are near West Linn?

25 Oregon City 24 Oak Grove 25 Lake Oswego 24 Milwaukie 22 Happy Valley 29 Tualatin 30 Canby 24 Lents 27 Tigard 28 Wilsonville
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T00:19 UTC.