Today | Weather | Sunday, November 1, 2026

Weather in Tigard, Oregon

08:35 PM
Now
Cloudy Night
43° F
Feels Like 45°
Precipitation 0 %
Wind 2 mph
Humidity 86 %
Today
Partly Sunny with Showers
Day 50°
Night 37°
Precipitation 80 %
Wind 2 mph
UV Index (0 - 11+) 1

Tigard Weather Forecast Updated

Air Quality in Tigard

NOW
51 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 12.33 µg/m³
PM10 14.67 µg/m³
O3 0.019 ppm
NO2 5.1 ppb
SO2 0.3 ppb
CO 0.20 ppm
NH3 0.93 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.5 – 12.33 µg/m³
PM10 – 14.67 µg/m³
O3 – 37.46 µg/m³
NO2 – 9.64 µg/m³
SO2 – 0.74 µg/m³
CO – 227.74 µg/m³
NH3 – 0.93 µg/m³
NO – 0 µg/m³