Stay updated with real-time air quality in Pendleton, 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)
25
Good
Pendleton, Oregon
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.38 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.97 μg/m³
0
55
155
255
425
605+
26.83 ppb
0
55
71
86
201
201+
0.14 ppb
0
36
76
186
605
1005+
10.39 ppb
0
54
101
361
1250
2050+
0.52 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Pendleton, Oregon
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AQI 25
Good
2.81μg/m³
PM2.5
12.09μg/m³
PM10
26.80ppb
O3
0.14ppb
SO2
10.39ppb
NO2
0.50ppm
CO
AQI 38
Good
1.51μg/m³
PM2.5
6.03μg/m³
PM10
40.52ppb
O3
0.14ppb
SO2
6.64ppb
NO2
0.56ppm
CO
AQI 31
Good
3.07μg/m³
PM2.5
18.18μg/m³
PM10
34.13ppb
O3
0.14ppb
SO2
8.93ppb
NO2
0.53ppm
CO
AQI 31
Good
3.05μg/m³
PM2.5
17.89μg/m³
PM10
34.10ppb
O3
0.14ppb
SO2
8.86ppb
NO2
0.53ppm
CO
AQI 31
Good
4.00μg/m³
PM2.5
17.99μg/m³
PM10
34.42ppb
O3
0.18ppb
SO2
11.67ppb
NO2
0.53ppm
CO
AQI 32
Good
3.25μg/m³
PM2.5
21.79μg/m³
PM10
35.13ppb
O3
0.14ppb
SO2
9.69ppb
NO2
0.51ppm
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 Pendleton, Oregon is updated every hour.
The worst air quality in Pendleton, Oregon in the last 24 hours was observed at 12:00:00 on 2026-03-11.
In the last 24 hrs, the best air quality in Pendleton, Oregon was observed at 03:00:00 on 2026-03-11.
The current air quality in Pendleton, Oregon is 25, categorized as Good based on real-time data.
The most common pollutant in Pendleton, Oregon is O3.
If the air quality in Pendleton, Oregon is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Pendleton, Oregon is 3.385 μg/m3.
The current PM10 concentration at Pendleton, Oregon is 14.966 μg/m3.
The current carbon monoxide (CO) concentration at Pendleton, Oregon is 0.518 ppm.
The current sulfur dioxide (SO2) concentration at Pendleton, Oregon is 0.142 ppb.
The current ozone (O3) concentration at Pendleton, Oregon is 26.832 ppm.
The current nitrogen dioxide (NO2) concentration at Pendleton, Oregon is 10.392 ppb.
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