Stay updated with real-time air quality in Hillsboro, 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)
19
Good
Hillsboro, Oregon
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.13 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.01 μg/m³
0
55
155
255
425
605+
19.98 ppb
0
55
71
86
201
201+
0.22 ppb
0
36
76
186
605
1005+
2.89 ppb
0
54
101
361
1250
2050+
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Hillsboro, Oregon
Hillsboro, Oregon
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AQI 28
Good
2.18μg/m³
PM2.5
8.76μg/m³
PM10
29.59ppb
O3
0.57ppb
SO2
4.53ppb
NO2
0.15ppm
CO
AQI 26
Good
2.50μg/m³
PM2.5
10.02μg/m³
PM10
27.53ppb
O3
0.57ppb
SO2
4.61ppb
NO2
0.15ppm
CO
AQI 28
Good
4.55μg/m³
PM2.5
19.54μg/m³
PM10
29.57ppb
O3
0.57ppb
SO2
4.29ppb
NO2
0.16ppm
CO
AQI 28
Good
3.88μg/m³
PM2.5
16.67μg/m³
PM10
30.24ppb
O3
0.57ppb
SO2
4.17ppb
NO2
0.15ppm
CO
AQI 27
Good
4.89μg/m³
PM2.5
21.02μg/m³
PM10
29.32ppb
O3
0.57ppb
SO2
4.27ppb
NO2
0.17ppm
CO
AQI 28
Good
4.23μg/m³
PM2.5
18.45μg/m³
PM10
30.03ppb
O3
0.56ppb
SO2
4.01ppb
NO2
0.15ppm
CO
Air quality and pollutant data for Oregon, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Hillsboro, Oregon is updated every hour for accuracy.
In the past 24 hours, the air quality in Hillsboro, Oregon was at its worst at 06:00:00 on 2025-07-21.
In the last 24 hours, the best air quality in Hillsboro, Oregon was observed at 04:00:00 on 2025-07-21.
As of now, the AQI in Hillsboro, Oregon is 30, indicating Good conditions.
Hillsboro, Oregon air has the highest levels of O3.
Poor air quality in Hillsboro, Oregon means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Hillsboro, Oregon are currently 1.691 μg/m3.
The PM10 concentration in Hillsboro, Oregon is 6.721 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hillsboro, Oregon is 0.152 ppm.
Currently, Hillsboro, Oregon has a sulfur dioxide (SO2) concentration of 0.57 ppb.
The current ozone (O3) level in Hillsboro, Oregon at the moment is 31.555 ppm.
Nitrogen dioxide (NO2) level in Hillsboro, Oregon at the moment is 4.466 ppb.
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