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
2.49 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.99 μg/m³
0
55
155
255
425
605+
26.93 ppb
0
55
71
86
201
201+
0.14 ppb
0
36
76
186
605
1005+
8.04 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Forest Grove, Oregon
Scroll To Air Quality MapLoading...
AQI 26
Good
2.61μg/m³
PM2.5
11.01μg/m³
PM10
27.89ppb
O3
0.14ppb
SO2
7.76ppb
NO2
0.16ppm
CO
AQI 27
Good
2.89μg/m³
PM2.5
10.59μg/m³
PM10
29.18ppb
O3
0.14ppb
SO2
8.63ppb
NO2
0.16ppm
CO
AQI 24
Good
2.96μg/m³
PM2.5
12.09μg/m³
PM10
25.51ppb
O3
0.14ppb
SO2
8.26ppb
NO2
0.17ppm
CO
AQI 25
Good
2.77μg/m³
PM2.5
11.65μg/m³
PM10
26.70ppb
O3
0.14ppb
SO2
8.13ppb
NO2
0.16ppm
CO
AQI 23
Good
2.99μg/m³
PM2.5
12.09μg/m³
PM10
25.20ppb
O3
0.14ppb
SO2
8.25ppb
NO2
0.17ppm
CO
AQI 26
Good
2.61μg/m³
PM2.5
11.11μg/m³
PM10
27.66ppb
O3
0.14ppb
SO2
7.99ppb
NO2
0.16ppm
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 04:00:00 on 2026-03-09.
In the last 24 hrs, the best air quality in Forest Grove, Oregon was observed at 06:00:00 on 2026-03-09.
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 2.494 μg/m3.
The current PM10 concentration at Forest Grove, Oregon is 9.992 μg/m3.
The current carbon monoxide (CO) concentration at Forest Grove, Oregon is 0.205 ppm.
The current sulfur dioxide (SO2) concentration at Forest Grove, Oregon is 0.136 ppb.
The current ozone (O3) concentration at Forest Grove, Oregon is 26.934 ppm.
The current nitrogen dioxide (NO2) concentration at Forest Grove, Oregon is 8.038 ppb.
All Rights Reserved © Ambee Inc. 2025