What is the air quality trend in Coeur d'Alene?

Over the past 7 days, Coeur d'Alene had an average AQI of 114 based on station measurements. The worst day was 2026-08-04 with AQI 155.

How is Coeur d'Alene air quality measured?

Air quality in Coeur d'Alene 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 Coeur d'Alene, United States

Name: Coeur d'Alene Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Coeur d'Alene, United States.

157

Current AQI
Unhealthy CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 19 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-07	143	91–160	54.6 µg/m³	23h	16
2026-08-06	130	96–152	47.4 µg/m³	24h	19
2026-08-05	115	83–152	41.3 µg/m³	24h	18
2026-08-04	155	81–177	73.9 µg/m³	24h	18
2026-08-03	150	77–174	68.9 µg/m³	24h	16
2026-08-02	59	16–158	18.9 µg/m³	24h	18
2026-08-01	49	11–66	13.0 µg/m³	22h	19

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