Porthill, Idaho, USA

Monitoring Station · Cranbrook, Canada
10
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
10 5am
10
10
10 8am
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10
10 11am
10
10
10 2pm
10
10
10 5pm
10
10
— 8pm
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CAMS model adj -14
24
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Air Quality Trend (24h)

PM2.52.4 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

10
Porthill, Idaho, USA
0.0 km PM2.5: 2.4 µg/m³
14
Porthill, Idaho, USA
0.0 km PM2.5: 3.4 µg/m³
-
Creston Hillside
11.6 km PM2.5: 0.0 µg/m³
4
Mt Hall, Idaho, USA
15.8 km PM2.5: 1.0 µg/m³
11
Mt Hall, Idaho, USA
15.8 km PM2.5: 2.6 µg/m³
15
Mt Hall, Idaho, USA
15.8 km PM2.5: 3.6 µg/m³

Nearby Cities

18 Cranbrook 7 Post Falls 12 Coeur d'Alene 8 Spokane Valley 9 Opportunity 9 Spokane 23 Kalispell 6 Penticton 14 Rutland

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-15T08:12 UTC.