Worst air pollution Coeur d'Alene, today and tomorrow
Today (15 July): Air quality in Coeur d'Alene is poor. AQI and NO2 are poor; PM2.5 and PM1 are fair; O3 is medium; PM10, SO2, CO, and HCHO are good. Pollution peaks around 6:00 PM (NO2: 64.5/100).
Tomorrow (16 July 2026): Air quality in Coeur d'Alene is fair. AQI improves to medium; NO2 decreases to medium; all other pollutants stay as today. Pollution peaks around 2:00 PM (NO2: 53.0/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Coeur d'Alene's air quality reflects the Spokane River valley's topographic enclosure in northern Idaho, with vehicle emissions and wood-burning stoves contributing primary local sources. Summer wildfire smoke from surrounding Inland Northwest forests is increasingly severe, while winter temperature inversions can trap emissions under persistent cold-air pools for extended periods.
Today - 15 July | Pollution peaks at 18:00
AQI:
Poor
64.5/100
PM2.5 (fine particles):
Fair
23.2/100
PM10 (coarse particles):
Good
8.6/100
NO2 (nitrogen dioxide):
Poor
64.5/100
O3 (ozone):
Medium
52.9/100
SO2 (sulfur dioxide):
Good
5.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.5/100
PM1 (ultrafine particles):
Fair
26.4/100
Levels show the poorest local air quality during the day
Tomorrow - 16 July | Pollution peaks at 14:00
AQI:
Medium
53.0/100
PM2.5 (fine particles):
Fair
20.1/100
PM10 (coarse particles):
Good
7.0/100
NO2 (nitrogen dioxide):
Medium
53.0/100
O3 (ozone):
Medium
51.8/100
SO2 (sulfur dioxide):
Good
4.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
11.5/100
PM1 (ultrafine particles):
Fair
23.3/100
Pollen forecast in Coeur d'Alene
View pollen forecastSports venues in Coeur d'Alene
Frequently Asked Questions
Is air quality bad in Coeur d'Alene right now?
On 15 July 2026, overall air quality in Coeur d'Alene is poor. AQI is the main air quality indicator at 64.5/100. Pollution peaks around 6:00 PM (NO2: 64.5/100).
Will air quality be worse tomorrow in Coeur d'Alene?
On 16 July 2026, air quality conditions in Coeur d'Alene will be better than today, with PM1 forecast at fair at 23.3/100. Pollution peaks around 2:00 PM (NO2: 53.0/100).
When is air pollution at its worst in Coeur d'Alene?
Coeur d'Alene follows a fairly predictable seasonal air quality pattern, as spring and autumn generally bring the cleanest, most stable air; by contrast, wildfire smoke drifting in from across the region is the main summer concern, while winter inversions can trap pollution locally. Higher-elevation, more exposed locations generally avoid the worst of the valley inversion episodes.
Are air quality levels in Coeur d'Alene based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app