Today | Weather | Wednesday, March 18, 2026

Weather in Tigard, Oregon

03:22 AM
Now
Rainy Weather
48° F
Feels Like 43°
Precipitation 49 %
Wind 6 mph
Humidity 84 %
Today
Cloudy Weather
Day 68°
Night 48°
Precipitation 12 %
Wind 7 mph
UV Index (0 - 11+) 2

Tigard Weather Forecast Updated

17 minutes ago
Last updated on

Air Quality in Tigard

NOW
11 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.26 µg/m³
PM10 3.71 µg/m³
O3 0.012 ppm
NO2 1.8 ppb
SO2 0 ppb
CO 0.12 ppm
NH3 0.41 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)
PM2.52.26 µg/m³
PM103.71 µg/m³
O323.92 µg/m³
NO23.45 µg/m³
SO20.12 µg/m³
CO138.78 µg/m³
NH30.41 µg/m³
NO0 µg/m³