Air Quality in Hillsboro, United States
Clear
21.6°C · 41.9% humidity
21.6°
Feels 21.6°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Hillsboro's air quality — share it
AQI Forecast
34
1pm
34
27
26
4pm
27
27
27
7pm
27
27
27
10pm
27
27
27
1am
27
27
27
4am
27
27
27
7am
27
34
34
10am
34
34
Air Quality Index Trend
46h · 19 stnHillsboro's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
41.9%
Humidity
1.2 km/h
Wind ENE
1016.8 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.15 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Hillsboro?
Temperature & Precipitation
PM2.5 Trend
46h · 19 stationsPM2.56.15 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX17.4
Extreme
What is the 7-day forecast for Hillsboro?
08-03
37.2° 11.8°
08-04
29.9° 13.0°
08-05
33.8° 13.9°
08-06
28.6° 16.3°
08-07
33.2° 12.9°
08-08
29.4° 10.5°
08-09
27.9° 10.2°
Both models agree
Avg diff: 4.8°C
Where are air quality stations near Hillsboro?
65
Hillsboro Hare Field, Oregon, USA
58
Hillsboro Hare Field, Oregon, USA
67
NE Grant St Collocation
53
Forest Grove Pacific University
64
Beaverton, Oregon, USA
68
Beaverton, Oregon, USA
32
Portland Roosevelt High School
41
Portland Lincoln High School
73
Tualatin I-5 Roadway, Oregon, USA
What cities are near Hillsboro?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-07T23:59 UTC.