Today | Weather | Monday, September 21, 2026

Weather in Spokane, Washington

11:56 AM
Now
Sunny Weather
75° F
Feels Like 79°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 4
Humidity 38 %
Today
Sunny Weather
Day 86°
Night 54°
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 4

Spokane Weather Forecast Updated

30 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 21, 2025)
Cloudy Night

Day

70°

Night

46°

Wind

5 mph

Precipitation

1 %

Air Quality in Spokane

NOW
41 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.13 µg/m³
PM10 4.36 µg/m³
O3 0.044 ppm
NO2 1 ppb
SO2 0.1 ppb
CO 0.12 ppm
NH3 2 µg/m³
NO 0.46 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)
PM2.53.13 µg/m³
PM104.36 µg/m³
O386.84 µg/m³
NO21.79 µg/m³
SO20.37 µg/m³
CO136.1 µg/m³
NH32 µg/m³
NO0.46 µg/m³