What is the air quality in West Linn today?

The current Air Quality Index (AQI) in West Linn is 19 (Good). PM2.5 concentration is 4.52 µg/m³.

What is the temperature in West Linn right now?

The current temperature in West Linn is 15.9°C (feels like 15.9°C). Humidity is 54.0% and wind speed is 9.0 km/h.

Is it safe to go outside in West Linn?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in West Linn, United States

Partly Cloudy

15.9°C · 54.0% humidity

15.9°

Feels 15.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

46h · 25 stn

View full history →

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.

54.0%

Humidity

9.0 km/h

Wind WNW

1016.2 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

4.52 µg/m³

PM10▲

27.4 µg/m³

050100150200300500

What is the weather forecast for West Linn?

Temperature & Precipitation

PM2.5 Trend

46h · 25 stations

PM2.54.52 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (2 stations within 25 km)

4.52

Median

4.55

Average

4.3

Low

4.8

High

PM2.5 µg/m³ · Model: 6.5 · Bias: +2.0

Both models agree Avg diff: 4.6°C

Where are air quality stations near West Linn?

Gladstone High School

2.5 km PM2.5: 3.7 µg/m³

Tualatin I-5 Roadway, Oregon, USA

11.0 km PM2.5: 8.9 µg/m³

Portland Lane Middle School

11.8 km PM2.5: 3.7 µg/m³

Sensor Box 5, Oregon, USA

11.8 km PM2.5: 7.4 µg/m³

Carus - Spangler Rd., Oregon, USA

12.0 km PM2.5: 5.5 µg/m³

Portland, Oregon, USA

14.6 km PM2.5: 4.6 µg/m³

Gresham Centennial High School

17.7 km PM2.5: 3.5 µg/m³

Portland Lincoln High School

18.0 km PM2.5: 4.0 µg/m³

Portland Benson High School

18.3 km PM2.5: 2.9 µg/m³

Beaverton, Oregon, USA

19.7 km PM2.5: 4.3 µg/m³

What cities are near West Linn?

19 Oregon City 18 Oak Grove 18 Lake Oswego 19 Milwaukie 19 Happy Valley 20 Tualatin 18 Canby 19 Lents 19 Tigard 18 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 2026-10-21T00:35 UTC.