Air Quality in Lake Oswego, United States

Clear
22.0°C · 31.9% humidity
22.0°
Feels 22.0°
55
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
17 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
41 10am
50
49
55 1pm
51
49
47 4pm
45
44
44 7pm
43
43
43 10pm
49
49
49 1am
49
49
49 4am
49
42
42 7am
42
49
Station readings
41
50
56
56
CAMS model adj +15
34
34
34
27
27
27
27
27
27
27
27
27
27
34
34
34
34
34
34
34
27
27
27
34
AD 728×90

Air Quality Index Trend

46h · 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.

31.9%
Humidity
25.0 km/h
Wind NNW
1015.3 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
55
13.91 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Lake Oswego?

Temperature & Precipitation

PM2.5 Trend

46h · 3 stations
PM2.513.91 µg/m³ ✓ WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
Station readings (17 stations within 25 km)
13.91
Median
13.91
Average
4.19
Low
26.4
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -3.9

What is the 7-day forecast for Lake Oswego?

07-21
34.5° 15.4°
07-22
28.1° 15.9°
07-23
35.8° 18.2°
07-24
35.9° 16.1°
07-25
27.6° 17.1°
07-26
36.0° 12.7°
07-27
30.6° 16.8°
Both models agree Avg diff: 2.8°C

Where are air quality stations near Lake Oswego?

50
Portland Postal Bldg., Oregon, USA
7.8 km PM2.5: 12.0 µg/m³
152
Portland Postal Bldg., Oregon, USA
7.8 km PM2.5: 57.4 µg/m³
32
Portland Lane Middle School
7.8 km PM2.5: 7.7 µg/m³
42
Portland, Oregon, USA
10.0 km PM2.5: 10.1 µg/m³
58
Portland, Oregon, USA
10.0 km PM2.5: 15.4 µg/m³
39
Portland Lincoln High School
10.9 km PM2.5: 9.3 µg/m³
29
Portland Benson High School
12.0 km PM2.5: 6.9 µg/m³
26
Beaverton, Oregon, USA
12.6 km PM2.5: 6.2 µg/m³
18
Portland McDaniel High School
15.2 km PM2.5: 4.2 µg/m³
46
Gresham Centennial High School
16.8 km PM2.5: 11.1 µg/m³

What cities are near Lake Oswego?

53 Oak Grove 49 Milwaukie 59 West Linn 61 Tigard 66 Tualatin 60 Oregon City 51 Lents 51 Happy Valley 60 Beaverton 61 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 2026-07-21T20:52 UTC.