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)
14
Good
Hillsboro, Oregon
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.47 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.41 μg/m³
0
55
155
255
425
605+
14.96 ppb
0
55
71
86
201
201+
0.16 ppb
0
36
76
186
605
1005+
8.75 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Hillsboro, Oregon
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AQI 16
Good
2.44μg/m³
PM2.5
10.44μg/m³
PM10
17.30ppb
O3
0.16ppb
SO2
8.74ppb
NO2
0.13ppm
CO
AQI 19
Good
2.32μg/m³
PM2.5
10.07μg/m³
PM10
19.85ppb
O3
0.16ppb
SO2
8.73ppb
NO2
0.13ppm
CO
AQI 16
Good
3.28μg/m³
PM2.5
14.69μg/m³
PM10
17.36ppb
O3
0.16ppb
SO2
8.44ppb
NO2
0.12ppm
CO
AQI 16
Good
3.12μg/m³
PM2.5
13.70μg/m³
PM10
16.63ppb
O3
0.16ppb
SO2
8.60ppb
NO2
0.12ppm
CO
AQI 17
Good
3.33μg/m³
PM2.5
15.04μg/m³
PM10
18.05ppb
O3
0.16ppb
SO2
8.34ppb
NO2
0.12ppm
CO
AQI 16
Good
3.08μg/m³
PM2.5
13.47μg/m³
PM10
17.13ppb
O3
0.16ppb
SO2
8.59ppb
NO2
0.12ppm
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 08:00:00 on 2026-03-15.
In the last 24 hours, the best air quality in Hillsboro, Oregon was observed at 02:00:00 on 2026-03-15.
As of now, the AQI in Hillsboro, Oregon is 14, 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 2.472 μg/m3.
The PM10 concentration in Hillsboro, Oregon is 10.409 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hillsboro, Oregon is 0.126 ppm.
Currently, Hillsboro, Oregon has a sulfur dioxide (SO2) concentration of 0.16 ppb.
The current ozone (O3) level in Hillsboro, Oregon at the moment is 14.959 ppm.
Nitrogen dioxide (NO2) level in Hillsboro, Oregon at the moment is 8.751 ppb.
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