Stay updated with real-time air quality in West Linn, Oregon featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
28
Good
West Linn, Oregon
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.94 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.97 μg/m³
0
55
155
255
425
605+
30.44 ppb
0
55
71
86
201
201+
0.12 ppb
0
36
76
186
605
1005+
7.20 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
West Linn, Oregon
West Linn, Oregon
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AQI 58
Moderate
12.78μg/m³
PM2.5
56.03μg/m³
PM10
28.32ppb
O3
0.34ppb
SO2
7.60ppb
NO2
0.19ppm
CO
AQI 66
Moderate
17.16μg/m³
PM2.5
75.63μg/m³
PM10
26.34ppb
O3
0.36ppb
SO2
7.99ppb
NO2
0.19ppm
CO
AQI 60
Moderate
14.16μg/m³
PM2.5
61.82μg/m³
PM10
28.77ppb
O3
0.38ppb
SO2
8.37ppb
NO2
0.19ppm
CO
AQI 71
Moderate
20.06μg/m³
PM2.5
88.45μg/m³
PM10
24.61ppb
O3
0.37ppb
SO2
8.06ppb
NO2
0.19ppm
CO
AQI 60
Moderate
14.33μg/m³
PM2.5
62.52μg/m³
PM10
29.25ppb
O3
0.39ppb
SO2
8.51ppb
NO2
0.19ppm
CO
AQI 60
Moderate
13.95μg/m³
PM2.5
61.32μg/m³
PM10
28.20ppb
O3
0.41ppb
SO2
8.78ppb
NO2
0.19ppm
CO
Air quality data and pollutant measurements for Oregon, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for West Linn, Oregon is updated every hour.
The worst air quality in West Linn, Oregon in the last 24 hours was observed at 03:00:00 on 2026-04-24.
In the last 24 hrs, the best air quality in West Linn, Oregon was observed at 06:00:00 on 2026-04-23.
The current air quality in West Linn, Oregon is 30, categorized as Good based on real-time data.
The most common pollutant in West Linn, Oregon is O3.
If the air quality in West Linn, Oregon is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at West Linn, Oregon is 4.492 μg/m3.
The current PM10 concentration at West Linn, Oregon is 19.842 μg/m3.
The current carbon monoxide (CO) concentration at West Linn, Oregon is 0.148 ppm.
The current sulfur dioxide (SO2) concentration at West Linn, Oregon is 0.156 ppb.
The current ozone (O3) concentration at West Linn, Oregon is 32.386 ppm.
The current nitrogen dioxide (NO2) concentration at West Linn, Oregon is 3.862 ppb.
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