Air Quality in Lake Oswego, United States

Clear
21.7°C · 40.7% humidity
21.7°
Feels 21.7°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
56 11pm
52
47
54 2am
53
53
53 5am
53
53
53 8am
60
60
60 11am
60
53
53 2pm
53
53
53 5pm
53
53
53 8pm
60
60
Station readings
56
52
47
44
CAMS model adj +26
27
27
27
27
27
27
27
27
27
27
34
34
34
34
27
27
27
27
27
27
27
27
34
34
AD 728×90

Air Quality Index Trend

44h · 3 stn

Lake Oswego's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

40.7%
Humidity
14.2 km/h
Wind WNW
1016.7 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
54
13.47 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Lake Oswego?

Temperature & Precipitation

PM2.5 Trend

44h · 3 stations
PM2.513.47 µg/m³ ✓ WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250
Station readings (2 stations within 25 km)
13.47
Median
13.47
Average
13.25
Low
13.7
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -7.2

What is the 7-day forecast for Lake Oswego?

08-03
36.8° 13.8°
08-04
29.8° 15.4°
08-05
35.2° 17.2°
08-06
28.4° 18.6°
08-07
32.9° 15.3°
08-08
29.7° 12.7°
08-09
29.3° 12.6°
Both models agree Avg diff: 4.2°C

Where are air quality stations near Lake Oswego?

94
Tualatin I-5 Roadway, Oregon, USA
6.3 km PM2.5: 32.5 µg/m³
48
Portland Postal Bldg., Oregon, USA
7.8 km PM2.5: 11.5 µg/m³
40
Portland Lane Middle School
7.8 km PM2.5: 9.5 µg/m³
52
Portland, Oregon, USA
10.0 km PM2.5: 12.6 µg/m³
46
Portland Lincoln High School
10.9 km PM2.5: 11.0 µg/m³
56
Portland Benson High School
12.0 km PM2.5: 14.7 µg/m³
56
Beaverton, Oregon, USA
12.6 km PM2.5: 14.5 µg/m³
52
Portland McDaniel High School
15.2 km PM2.5: 12.8 µg/m³
45
Gresham Centennial High School
16.8 km PM2.5: 10.9 µg/m³
41
Portland Cully Helensview, Oregon, USA
17.4 km PM2.5: 9.8 µg/m³

What cities are near Lake Oswego?

54 Oak Grove 54 Milwaukie 26 West Linn 53 Tigard 26 Tualatin 26 Oregon City 54 Lents 54 Happy Valley 54 Beaverton 26 Sherwood
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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 2026-08-08T09:15 UTC.