What is the air quality in Hillsboro today?

The current Air Quality Index (AQI) in Hillsboro is 27 (Good). PM2.5 concentration is 6.47 µg/m³.

What is the temperature in Hillsboro right now?

The current temperature in Hillsboro is 17.6°C (feels like 17.6°C). Humidity is 42.9% and wind speed is 6.7 km/h.

Is it safe to go outside in Hillsboro?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Hillsboro, United States

Clear

17.6°C · 42.9% humidity

17.6°

Feels 17.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

6 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 20 stn

View full history →

Hillsboro's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

42.9%

Humidity

6.7 km/h

Wind SSE

1020.5 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.47 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Hillsboro?

Temperature & Precipitation

PM2.5 Trend

45h · 20 stations

PM2.56.47 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (6 stations within 25 km)

6.47

Median

6.35

Average

4.3

Low

9.8

High

PM2.5 µg/m³ · Model: 6.0 · Bias: -0.5

What is the 7-day forecast for Hillsboro?

10-20

17.6° 11.4°

0.13 mm

10-21

17.1° 9.3°

0.06 mm

10-22

21.3° 6.2°

10-23

21.1° 9.6°

10-24

13.7° 7.4°

2.5 mm

10-25

17.0° 7.4°

10-26

14.7° 7.6°

6.38 mm

Both models agree Avg diff: 4.5°C

Where are air quality stations near Hillsboro?

Hillsboro, Oregon, USA

1.5 km PM2.5: 3.8 µg/m³

Hillsboro Hare Field, Oregon, USA

1.5 km PM2.5: 5.3 µg/m³

Hillsboro, Oregon, USA

1.5 km PM2.5: 6.0 µg/m³

Hillsboro, Oregon, USA

1.5 km PM2.5: 4.3 µg/m³

NE Grant St Collocation

1.5 km PM2.5: 6.7 µg/m³

Forest Grove Pacific University

9.0 km PM2.5: 4.7 µg/m³

Beaverton, Oregon, USA

14.8 km PM2.5: 4.3 µg/m³

Beaverton, Oregon, USA

14.8 km PM2.5: 4.3 µg/m³

Portland Roosevelt High School

21.0 km PM2.5: 9.8 µg/m³

Portland Lincoln High School

23.5 km PM2.5: 4.4 µg/m³

What cities are near Hillsboro?

20 Forest Grove 22 Aloha 25 Bethany 19 Beaverton 26 Tigard 24 Sherwood 32 Tualatin 23 Newberg 22 Lake Oswego 24 Vancouver

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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-20T20:06 UTC.