Stay updated with real-time air quality in Eugene, 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)
27
Good
Eugene, Oregon
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.65 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.39 μg/m³
0
55
155
255
425
605+
22.27 ppb
0
55
71
86
201
201+
0.34 ppb
0
36
76
186
605
1005+
3.55 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Eugene, Oregon
Eugene, Oregon
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AQI 33
Good
5.68μg/m³
PM2.5
24.93μg/m³
PM10
23.74ppb
O3
0.34ppb
SO2
3.55ppb
NO2
0.15ppm
CO
AQI 22
Good
3.77μg/m³
PM2.5
16.88μg/m³
PM10
22.43ppb
O3
0.34ppb
SO2
3.56ppb
NO2
0.15ppm
CO
AQI 18
Good
3.20μg/m³
PM2.5
13.98μg/m³
PM10
18.88ppb
O3
0.34ppb
SO2
3.50ppb
NO2
0.15ppm
CO
AQI 19
Good
1.10μg/m³
PM2.5
5.00μg/m³
PM10
20.02ppb
O3
0.34ppb
SO2
3.66ppb
NO2
0.15ppm
CO
AQI 19
Good
2.56μg/m³
PM2.5
11.02μg/m³
PM10
20.01ppb
O3
0.34ppb
SO2
3.73ppb
NO2
0.15ppm
CO
AQI 20
Good
1.76μg/m³
PM2.5
7.30μg/m³
PM10
21.55ppb
O3
0.34ppb
SO2
3.68ppb
NO2
0.15ppm
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 Eugene, Oregon are available every hour.
Eugene, Oregon experienced its worst air quality at 09:00:00, 2026-07-22.
The best air quality in Eugene, Oregon was observed at 10:00:00 on 2026-07-23.
The air quality in Eugene, Oregon right now is Good, with an AQI of 27.
In Eugene, Oregon, PM2.5 is the most frequently found pollutant.
When air quality in Eugene, Oregon is compromised, staying indoors and wearing a mask can reduce health risks.
Eugene, Oregon currently has a PM2.5 concentration of 4.652 μg/m3.
Eugene, Oregon currently has a PM10 concentration of 20.39 μg/m3.
The current carbon monoxide (CO) level in Eugene, Oregon is 0.147 ppm.
The current sulfur dioxide (SO2) concentration in Eugene, Oregon is 0.339 ppb.
Eugene, Oregon currently has an ozone (O3) concentration of 22.274 ppm.
The current level of nitrogen dioxide (NO2) in Eugene, Oregon is 3.55 ppb.
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