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)
25
Good
Forest Grove, Oregon
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.80 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.48 μg/m³
0
55
155
255
425
605+
27.26 ppb
0
55
71
86
201
201+
0.12 ppb
0
36
76
186
605
1005+
7.02 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Forest Grove, Oregon
Forest Grove, Oregon
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AQI 31
Good
3.93μg/m³
PM2.5
16.94μg/m³
PM10
33.87ppb
O3
0.16ppb
SO2
5.51ppb
NO2
0.18ppm
CO
AQI 31
Good
4.90μg/m³
PM2.5
21.58μg/m³
PM10
33.59ppb
O3
0.16ppb
SO2
4.84ppb
NO2
0.17ppm
CO
AQI 31
Good
4.86μg/m³
PM2.5
21.32μg/m³
PM10
33.96ppb
O3
0.16ppb
SO2
9.21ppb
NO2
0.17ppm
CO
AQI 31
Good
4.80μg/m³
PM2.5
21.08μg/m³
PM10
34.29ppb
O3
0.16ppb
SO2
9.86ppb
NO2
0.17ppm
CO
AQI 31
Good
4.82μg/m³
PM2.5
21.13μg/m³
PM10
33.84ppb
O3
0.16ppb
SO2
9.45ppb
NO2
0.18ppm
CO
AQI 32
Good
4.59μg/m³
PM2.5
20.11μg/m³
PM10
34.68ppb
O3
0.16ppb
SO2
12.13ppb
NO2
0.17ppm
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 10:00:00 on 2026-04-23.
In the last 24 hrs, the best air quality in Forest Grove, Oregon was observed at 06:00:00 on 2026-04-23.
The current air quality in Forest Grove, Oregon is 25, 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 2.799 μg/m3.
The current PM10 concentration at Forest Grove, Oregon is 11.484 μg/m3.
The current carbon monoxide (CO) concentration at Forest Grove, Oregon is 0.203 ppm.
The current sulfur dioxide (SO2) concentration at Forest Grove, Oregon is 0.118 ppb.
The current ozone (O3) concentration at Forest Grove, Oregon is 27.264 ppm.
The current nitrogen dioxide (NO2) concentration at Forest Grove, Oregon is 7.02 ppb.
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