Porthill, Idaho, USA

Monitoring Station · Cranbrook, Canada
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
12 10am
12
12
37 1pm
37
37
37 4pm
25
25
12 7pm
12
12
12 10pm
12
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— 1am
—
—
— 4am
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— 7am
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Air Quality Trend (24h)

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Nearby Monitoring Stations

30
Porthill, Idaho, USA
0.0 km
34
Porthill, Idaho, USA
0.0 km
15
Porthill, Idaho, USA
0.0 km
71
Creston Hillside
11.6 km PM2.5: 21.4 µg/m³
35
Mt Hall, Idaho, USA
15.8 km
21
Mt Hall, Idaho, USA
15.8 km

Nearby Cities

12 Cranbrook 19 Post Falls 17 Coeur d'Alene 13 Spokane Valley 13 Opportunity 13 Spokane 22 Kalispell 19 Penticton 18 Rutland

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-12T13:14 UTC.