Real-time air quality index in Monmouth, Oregon today
Stay updated with real-time air quality in Monmouth, 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)
16
Good
Monmouth, Oregon
Last updated: ... (Local time)
Common air pollutants in Monmouth, Oregon
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
2.55 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
9.98 μg/m³
0
55
155
255
425
605+
Ozone (O3)
15.55 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.33 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
5.79 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Monmouth, Oregon
Monmouth, Oregon
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Monmouth, Oregon air quality map: Real-time AQI near you
Air quality in nearby cities
Independence, Oregon
AQI 15
Good
1.92μg/m³
PM2.5
11.93μg/m³
PM10
15.87ppb
O3
0.33ppb
SO2
6.47ppb
NO2
0.17ppm
CO
Dallas, Oregon
AQI 15
Good
1.91μg/m³
PM2.5
11.46μg/m³
PM10
16.00ppb
O3
0.33ppb
SO2
7.05ppb
NO2
0.17ppm
CO
Salem, Oregon
AQI 17
Good
2.61μg/m³
PM2.5
10.74μg/m³
PM10
18.47ppb
O3
0.33ppb
SO2
6.61ppb
NO2
0.18ppm
CO
Four Corners, Oregon
AQI 17
Good
2.59μg/m³
PM2.5
10.67μg/m³
PM10
18.35ppb
O3
0.33ppb
SO2
6.60ppb
NO2
0.18ppm
CO
Keizer, Oregon
AQI 17
Good
2.42μg/m³
PM2.5
10.12μg/m³
PM10
17.62ppb
O3
0.33ppb
SO2
6.58ppb
NO2
0.18ppm
CO
Hayesville, Oregon
AQI 16
Good
2.26μg/m³
PM2.5
9.55μg/m³
PM10
17.12ppb
O3
0.33ppb
SO2
6.51ppb
NO2
0.18ppm
CO
How accurate is Oregon, USA air quality data?
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
Frequently asked questions
How frequently is the air quality data for Monmouth, Oregon updated?
Air quality data for Monmouth, Oregon is updated on an hourly basis.
When did Monmouth, Oregon experience the worst air quality in the last 24 hours?
The worst air quality in Monmouth, Oregon was recorded at 03:00:00 on 2026-06-08.
When did Monmouth, Oregon have its best air quality in the last 24 hours?
The best air quality in Monmouth, Oregon was recorded at 12:00:00 on 2026-06-08.
What is the real-time air quality index for Monmouth, Oregon?
The real-time air quality index in Monmouth, Oregon is 16, currently categorized as Good.
Which pollutant is found most often in Monmouth, Oregon?
The most common pollutant in Monmouth, Oregon is PM2.5.
What can I do if the air quality in Monmouth, Oregon is poor?
If the air quality in Monmouth, Oregon is poor, limit outdoor activities and use a mask to safeguard your health.
What are the current PM2.5 levels in Monmouth, Oregon?
The measured PM2.5 levels in Monmouth, Oregon at present are 2.769 μg/m3.
What are the current PM10 levels at Monmouth, Oregon?
The current PM10 levels in Monmouth, Oregon are 11.58 μg/m3.
What are the current carbon monoxide (CO) levels at Monmouth, Oregon?
The current carbon monoxide (CO) level in Monmouth, Oregon is 0.172 ppm.
What are the current sulfur dioxide (SO2) levels at Monmouth, Oregon?
The current sulfur dioxide (SO2) levels in Monmouth, Oregon are 0.333 ppb.
What are the current ozone (O3) levels at Monmouth, Oregon?
The current ozone (O3) levels at Monmouth, Oregon is 14.576 ppm.
What are the current nitrogen dioxide (NO2) levels at Monmouth, Oregon?
The current nitrogen dioxide (NO2) levels at Monmouth, Oregon is 6.458 ppb.
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