Porthill, Idaho, USA

Monitoring Station · Cranbrook, Canada
13
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
13 1am
9
9
9 4am
9
9
9 7am
9
9
9 10am
9
9
9 1pm
9
9
— 4pm
—
—
— 7pm
—
—
— 10pm
—
—
Station readings
13
CAMS model adj -15
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24

Air Quality Trend (24h)

PM2.53.1 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

7
Porthill, Idaho, USA
0.0 km PM2.5: 1.7 µg/m³
-
Creston Hillside
11.6 km PM2.5: 0.0 µg/m³
5
Mt Hall, Idaho, USA
15.8 km PM2.5: 1.2 µg/m³
13
Mt Hall, Idaho, USA
15.8 km PM2.5: 3.1 µg/m³
24
Mt Hall, Idaho, USA
15.8 km PM2.5: 5.8 µg/m³

Nearby Cities

97 Cranbrook 8 Post Falls 12 Coeur d'Alene 10 Spokane Valley 12 Opportunity 11 Spokane 27 Kalispell 10 Penticton 65 Rutland

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-15T04:50 UTC.