What is the air quality in Hillsboro today?

The current Air Quality Index (AQI) in Hillsboro is 14 (Good). PM2.5 concentration is 3.34 µg/m³.

What is the temperature in Hillsboro right now?

The current temperature in Hillsboro is 19.2°C (feels like 19.2°C). Humidity is 41.8% and wind speed is 10.2 km/h.

Is it safe to go outside in Hillsboro?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 4.4 (Moderate).

Air Quality in Hillsboro, United States

Clear

19.2°C · 41.8% humidity

19.2°

Feels 19.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

8 stations

Nearby Monitoring Stations

AQI Forecast

24 9am

14 12pm

20 3pm

23 6pm

25 9pm

25 12am

25 3am

25 6am

Air Quality Index Trend

48h · 4 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.

41.8%

Humidity

10.2 km/h

Wind S

1016.0 hPa

Pressure

4.4

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

3.34 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Hillsboro?

Temperature & Precipitation

PM2.5 Trend

48h · 4 stations

PM2.53.34 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX4.4

Moderate

Station readings (8 stations within 25 km)

3.34

Median

2.99

Average

1.7

Low

5.0

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +2.5

What is the 7-day forecast for Hillsboro?

06-08

27.6° 9.1°

1.06 mm

06-09

17.2° 10.2°

0.38 mm

06-10

24.9° 14.4°

06-11

26.4° 10.3°

06-12

29.7° 8.9°

06-13

36.7° 8.2°

06-14

29.6° 12.6°

2.19 mm

Both models agree Avg diff: 4.9°C

Where are air quality stations near Hillsboro?

Hillsboro, Oregon, USA

1.5 km PM2.5: 2.2 µg/m³

NE Grant St Collocation

1.5 km PM2.5: 4.8 µg/m³

Forest Grove Pacific University

9.0 km PM2.5: 2.2 µg/m³

Beaverton, Oregon, USA

14.8 km PM2.5: 5.5 µg/m³

Portland Roosevelt High School

21.0 km PM2.5: 1.7 µg/m³

Portland Lincoln High School

23.5 km PM2.5: 2.7 µg/m³

What cities are near Hillsboro?

9 Forest Grove 12 Aloha 12 Bethany 10 Beaverton 15 Tigard 15 Sherwood 17 Tualatin 12 Newberg 14 Lake Oswego 10 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 2026-06-08T19:32 UTC.