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)
18
Good
Forest Grove, Oregon
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
2.65 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.24 μg/m³
0
55
155
255
425
605+
18.72 ppb
0
55
71
86
201
201+
0.22 ppb
0
36
76
186
605
1005+
2.70 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 21
Good
3.20μg/m³
PM2.5
13.76μg/m³
PM10
22.64ppb
O3
0.30ppb
SO2
2.22ppb
NO2
0.10ppm
CO
AQI 22
Good
3.62μg/m³
PM2.5
15.66μg/m³
PM10
23.05ppb
O3
0.30ppb
SO2
2.38ppb
NO2
0.10ppm
CO
AQI 22
Good
4.04μg/m³
PM2.5
18.04μg/m³
PM10
20.77ppb
O3
0.30ppb
SO2
2.46ppb
NO2
0.10ppm
CO
AQI 22
Good
3.82μg/m³
PM2.5
16.99μg/m³
PM10
21.43ppb
O3
0.29ppb
SO2
2.46ppb
NO2
0.10ppm
CO
AQI 22
Good
4.04μg/m³
PM2.5
18.11μg/m³
PM10
20.31ppb
O3
0.30ppb
SO2
2.49ppb
NO2
0.10ppm
CO
AQI 22
Good
3.72μg/m³
PM2.5
16.68μg/m³
PM10
21.34ppb
O3
0.29ppb
SO2
2.46ppb
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 01:00:00 on 2025-07-22.
In the last 24 hrs, the best air quality in Forest Grove, Oregon was observed at 06:00:00 on 2025-07-21.
The current air quality in Forest Grove, Oregon is 21, 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 2.689 μg/m3.
The current PM10 concentration at Forest Grove, Oregon is 11.418 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 0.282 ppb.
The current ozone (O3) concentration at Forest Grove, Oregon is 22.562 ppm.
The current nitrogen dioxide (NO2) concentration at Forest Grove, Oregon is 2.199 ppb.
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