Stay updated with real-time air quality in La Grande, 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)
36
Good
La Grande, Oregon
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.30 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.99 μg/m³
0
55
155
255
425
605+
39.06 ppb
0
55
71
86
201
201+
0.62 ppb
0
36
76
186
605
1005+
3.29 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
La Grande, Oregon
La Grande, Oregon
Scroll To Air Quality MapLoading...
AQI 34
Good
4.00μg/m³
PM2.5
18.00μg/m³
PM10
37.39ppb
O3
0.64ppb
SO2
3.31ppb
NO2
0.16ppm
CO
AQI 37
Good
3.53μg/m³
PM2.5
16.18μg/m³
PM10
39.84ppb
O3
0.69ppb
SO2
4.47ppb
NO2
0.17ppm
CO
AQI 38
Good
4.10μg/m³
PM2.5
18.00μg/m³
PM10
41.09ppb
O3
0.65ppb
SO2
2.51ppb
NO2
0.17ppm
CO
AQI 39
Good
5.70μg/m³
PM2.5
25.08μg/m³
PM10
41.88ppb
O3
0.69ppb
SO2
4.57ppb
NO2
0.18ppm
CO
AQI 33
Good
5.75μg/m³
PM2.5
31.09μg/m³
PM10
34.76ppb
O3
0.68ppb
SO2
3.70ppb
NO2
0.18ppm
CO
AQI 33
Good
5.77μg/m³
PM2.5
30.97μg/m³
PM10
34.81ppb
O3
0.69ppb
SO2
3.68ppb
NO2
0.18ppm
CO
Air quality measurements for Oregon, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for La Grande, Oregon is updated on an hourly basis.
The worst air quality in La Grande, Oregon was recorded at 01:00:00 on 2025-06-06.
The best air quality in La Grande, Oregon was recorded at 01:00:00 on 2025-06-06.
The real-time air quality index in La Grande, Oregon is 36, currently categorized as Good.
The most common pollutant in La Grande, Oregon is O3.
If the air quality in La Grande, Oregon is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in La Grande, Oregon at present are 5.297 μg/m3.
The current PM10 levels in La Grande, Oregon are 22.987 μg/m3.
The current carbon monoxide (CO) level in La Grande, Oregon is 0.167 ppm.
The current sulfur dioxide (SO2) levels in La Grande, Oregon are 0.624 ppb.
The current ozone (O3) levels at La Grande, Oregon is 39.061 ppm.
The current nitrogen dioxide (NO2) levels at La Grande, Oregon is 3.287 ppb.
All Rights Reserved © Ambee Inc. 2025