Today | Weather | Monday, September 21, 2026

Weather in Tigard, Oregon

10:55 AM
Now
Cloudy Weather
63° F
Feels Like 70°
Precipitation 17 %
Wind 4 mph
UV Index (0 - 11+) 3
Humidity 72 %
Today
Cloudy Weather
Day 72°
Night 55°
Precipitation 49 %
Wind 6 mph
UV Index (0 - 11+) 4

Tigard Weather Forecast Updated

57 minutes ago
Last updated on

Air Quality in Tigard

NOW
19 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.54 µg/m³
PM10 5.3 µg/m³
O3 0.020 ppm
NO2 1.6 ppb
SO2 0.2 ppb
CO 0.11 ppm
NH3 0.23 µg/m³
NO 0.27 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)
PM2.52.54 µg/m³
PM105.3 µg/m³
O339.49 µg/m³
NO23.02 µg/m³
SO20.48 µg/m³
CO129.18 µg/m³
NH30.23 µg/m³
NO0.27 µg/m³