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

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.30 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.33 μg/m³
0
55
155
255
425
605+
27.34 ppb
0
55
71
86
201
201+
0.22 ppb
0
36
76
186
605
1005+
6.80 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Cornelius, Oregon
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AQI 31
Good
2.45μg/m³
PM2.5
10.27μg/m³
PM10
33.10ppb
O3
0.22ppb
SO2
2.86ppb
NO2
0.10ppm
CO
AQI 29
Good
3.71μg/m³
PM2.5
16.60μg/m³
PM10
31.17ppb
O3
0.22ppb
SO2
2.70ppb
NO2
0.10ppm
CO
AQI 29
Good
2.19μg/m³
PM2.5
9.64μg/m³
PM10
30.66ppb
O3
0.24ppb
SO2
2.55ppb
NO2
0.10ppm
CO
AQI 29
Good
2.60μg/m³
PM2.5
11.47μg/m³
PM10
30.98ppb
O3
0.23ppb
SO2
2.56ppb
NO2
0.10ppm
CO
AQI 29
Good
1.89μg/m³
PM2.5
8.35μg/m³
PM10
30.55ppb
O3
0.24ppb
SO2
2.52ppb
NO2
0.10ppm
CO
AQI 29
Good
2.29μg/m³
PM2.5
9.95μg/m³
PM10
31.47ppb
O3
0.24ppb
SO2
2.45ppb
NO2
0.10ppm
CO
The air quality data for Oregon, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Cornelius, Oregon are available every hour.
Cornelius, Oregon experienced its worst air quality at 01:00:00, 2025-10-25.
The best air quality in Cornelius, Oregon was observed at 09:00:00 on 2025-10-24.
The air quality in Cornelius, Oregon right now is Good, with an AQI of 30.
In Cornelius, Oregon, O3 is the most frequently found pollutant.
When air quality in Cornelius, Oregon is compromised, staying indoors and wearing a mask can reduce health risks.
Cornelius, Oregon currently has a PM2.5 concentration of 3.066 μg/m3.
Cornelius, Oregon currently has a PM10 concentration of 13.358 μg/m3.
The current carbon monoxide (CO) level in Cornelius, Oregon is 0.1 ppm.
The current sulfur dioxide (SO2) concentration in Cornelius, Oregon is 0.222 ppb.
Cornelius, Oregon currently has an ozone (O3) concentration of 32.058 ppm.
The current level of nitrogen dioxide (NO2) in Cornelius, Oregon is 2.774 ppb.
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