What is the air quality in Hillsboro today?

The current Air Quality Index (AQI) in Hillsboro is 48 (Good). PM2.5 concentration is 11.46 µg/m³.

What is the temperature in Hillsboro right now?

The current temperature in Hillsboro is 22.5°C (feels like 22.5°C). Humidity is 31.2% and wind speed is 18.0 km/h.

Is it safe to go outside in Hillsboro?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 12.9 (Extreme).

Air Quality in Hillsboro, United States

Clear

22.5°C · 31.2% humidity

22.5°

Feels 22.5°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

34 7am

48 10am

32 1pm

29 4pm

28 7pm

27 10pm

34 1am

34 4am

Air Quality Index Trend

48h · 2 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.

31.2%

Humidity

18.0 km/h

Wind N

1015.3 hPa

Pressure

12.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

11.46 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Hillsboro?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations

PM2.511.46 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX12.9

Extreme

Station readings (1 station within 25 km)

11.46

Median

11.46

Average

11.46

Low

11.46

High

PM2.5 µg/m³ · Model: 7.35 · Bias: -4.1

What is the 7-day forecast for Hillsboro?

07-21

33.3° 12.2°

07-22

27.2° 13.1°

07-23

35.7° 16.2°

07-24

35.3° 14.4°

07-25

26.8° 15.5°

07-26

35.1° 10.9°

07-27

29.4° 14.0°

Both models agree Avg diff: 2.7°C

Where are air quality stations near Hillsboro?

Hillsboro, Oregon, USA

1.5 km PM2.5: 17.3 µg/m³

NE Grant St Collocation

1.5 km PM2.5: 11.5 µg/m³

Forest Grove Pacific University

9.0 km PM2.5: 4.7 µg/m³

Beaverton, Oregon, USA

14.8 km PM2.5: 6.2 µg/m³

Portland Roosevelt High School

21.0 km PM2.5: 5.6 µg/m³

Portland Lincoln High School

23.5 km PM2.5: 6.8 µg/m³

What cities are near Hillsboro?

48 Forest Grove 47 Aloha 46 Bethany 45 Beaverton 44 Tigard 48 Sherwood 48 Tualatin 31 Newberg 40 Lake Oswego 38 Vancouver

Get AQI alerts for Hillsboro

Notify me when air quality reaches:

ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:15 UTC.