Today | Weather | Wednesday, February 25, 2026

Weather in Tigard, Oregon

09:46 PM
Now
Cloudy Night
39° F
Feels Like 39°
Precipitation 0 %
Wind 4 mph
Humidity 92 %
Today
Cloudy Weather
Day 54°
Night 30°
Precipitation 25 %
Wind 4 mph
UV Index (0 - 11+) 3
Overnight Frost 6 AM – 6 AM
Tomorrow Morning Frost 7 AM – 7 AM

Tigard Weather Forecast Updated

Air Quality in Tigard

NOW
21 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.43 µg/m³
PM10 4.35 µg/m³
O3 0.023 ppm
NO2 3.5 ppb
SO2 0.1 ppb
CO 0.17 ppm
NH3 0.59 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)
PM2.52.43 µg/m³
PM104.35 µg/m³
O345.18 µg/m³
NO26.64 µg/m³
SO20.16 µg/m³
CO192.25 µg/m³
NH30.59 µg/m³
NO0 µg/m³