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

Over the past 15 days, Coeur d'Alene had an average AQI of 85 based on station measurements. The worst day was 2026-08-04 with AQI 159.

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

333h

PM2.5 Station

333h · 16 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	84	84–84	27.8 µg/m³	1h	16
2026-08-07	145	86–160	56.3 µg/m³	24h	13
2026-08-06	136	93–154	50.4 µg/m³	24h	15
2026-08-05	120	87–135	43.0 µg/m³	24h	15
2026-08-04	159	90–181	82.6 µg/m³	24h	14
2026-08-03	157	88–178	77.7 µg/m³	24h	13
2026-08-02	60	13–162	19.7 µg/m³	24h	15
2026-08-01	50	14–70	13.4 µg/m³	24h	16
2026-07-31	64	45–79	18.3 µg/m³	24h	17
2026-07-30	64	45–158	18.5 µg/m³	24h	15
2026-07-29	52	14–75	14.3 µg/m³	24h	16
2026-07-28	66	39–109	19.7 µg/m³	24h	17
2026-07-27	56	25–71	15.2 µg/m³	24h	16
2026-07-26	29	11–68	7.4 µg/m³	24h	16
2026-07-25	42	20–56	10.3 µg/m³	20h	17

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