Stay updated with real-time air quality in Forest Grove, 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)
31
Good
Forest Grove, Oregon
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.18 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.91 μg/m³
0
55
155
255
425
605+
32.88 ppb
0
55
71
86
201
201+
0.22 ppb
0
36
76
186
605
1005+
1.59 ppb
0
54
101
361
1250
2050+
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Forest Grove, Oregon
Forest Grove, Oregon
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AQI 30
Good
3.25μg/m³
PM2.5
14.08μg/m³
PM10
32.37ppb
O3
0.24ppb
SO2
3.07ppb
NO2
0.10ppm
CO
AQI 30
Good
4.09μg/m³
PM2.5
17.68μg/m³
PM10
32.17ppb
O3
0.24ppb
SO2
3.05ppb
NO2
0.10ppm
CO
AQI 30
Good
2.51μg/m³
PM2.5
10.80μg/m³
PM10
31.73ppb
O3
0.24ppb
SO2
2.97ppb
NO2
0.10ppm
CO
AQI 30
Good
3.04μg/m³
PM2.5
13.20μg/m³
PM10
32.00ppb
O3
0.24ppb
SO2
2.93ppb
NO2
0.10ppm
CO
AQI 30
Good
2.09μg/m³
PM2.5
8.88μg/m³
PM10
31.54ppb
O3
0.24ppb
SO2
2.94ppb
NO2
0.10ppm
CO
AQI 30
Good
2.65μg/m³
PM2.5
11.54μg/m³
PM10
32.05ppb
O3
0.23ppb
SO2
2.74ppb
NO2
0.10ppm
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 Forest Grove, Oregon is updated every hour.
The worst air quality in Forest Grove, Oregon in the last 24 hours was observed at 09:00:00 on 2025-10-25.
In the last 24 hrs, the best air quality in Forest Grove, Oregon was observed at 03:00:00 on 2025-10-25.
The current air quality in Forest Grove, Oregon is 31, categorized as Good based on real-time data.
The most common pollutant in Forest Grove, Oregon is O3.
If the air quality in Forest Grove, Oregon is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Forest Grove, Oregon is 2.386 μg/m3.
The current PM10 concentration at Forest Grove, Oregon is 10.37 μg/m3.
The current carbon monoxide (CO) concentration at Forest Grove, Oregon is 0.1 ppm.
The current sulfur dioxide (SO2) concentration at Forest Grove, Oregon is 0.24 ppb.
The current ozone (O3) concentration at Forest Grove, Oregon is 32.568 ppm.
The current nitrogen dioxide (NO2) concentration at Forest Grove, Oregon is 3.064 ppb.
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