Today | Weather | Monday, October 13, 2025

Weather in Hillsboro, Oregon

10:15 PM
Now
Night
48° F
Feels Like 46°
Precipitation 0 %
Wind 7 mph
Humidity 63 %
Today
Night
Day 61°
Night 37°
Precipitation 1 %
Wind 6 mph

Hillsboro Weather Forecast Updated

Last updated on

Air Quality in Hillsboro

NOW
30 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.5 µg/m³
PM10 0.73 µg/m³
O3 0.032 ppm
NO2 1.6 ppb
SO2 0.1 ppb
CO 0.11 ppm
NH3 0.33 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.50.5 µg/m³
PM100.73 µg/m³
O363.72 µg/m³
NO22.93 µg/m³
SO20.36 µg/m³
CO122.91 µg/m³
NH30.33 µg/m³
NO0 µg/m³