What is the air quality trend in Spokane Valley?

Over the past 3 days, Spokane Valley had an average AQI of 123 based on station measurements. The worst day was 2026-08-07 with AQI 147.

How is Spokane Valley air quality measured?

Air quality in Spokane Valley is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Spokane Valley, United States

Name: Spokane Valley Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Spokane Valley, United States.

145

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

44h

PM2.5 Station

44h · 16 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	80	70–86	25.8 µg/m³	4h	16
2026-08-07	147	93–155	56.8 µg/m³	20h	16
2026-08-06	144	126–153	53.2 µg/m³	20h	15

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