Air Quality in Post Falls, United States

Clear
27.5°C · 19.6% humidity
27.5°
Feels 27.5°
86
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
96 10am
92
89
86 1pm
89
89
89 4pm
89
91
91 7pm
91
98
98 10pm
118
118
118 1am
118
118
118 4am
118
98
98 7am
98
91
Station readings
96
92
76
CAMS model adj +64
25
25
25
25
25
25
25
25
27
27
27
34
34
54
54
54
54
54
54
54
34
34
34
27
AD 728×90

Air Quality Index Trend

46h · 3 stn

Post Falls's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Post Falls is 1.9× the WHO 24-hour guideline of 15 µg/m³.

19.6%
Humidity
26.3 km/h
Wind SSW
1010.0 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
86
28.83 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Post Falls?

Temperature & Precipitation

PM2.5 Trend

46h · 3 stations
PM2.528.83 µg/m³ ×1.9 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
Station readings (3 stations within 25 km)
28.83
Median
29.21
Average
27.0
Low
31.1
High
PM2.5 µg/m³ · Model: 6.0 · Bias: -22.8

What is the 7-day forecast for Post Falls?

07-21
34.5° 13.5°
07-22
32.2° 16.0°
07-23
38.0° 17.5°
07-24
38.9° 14.6°
07-25
31.2° 15.8°
07-26
38.9° 10.2°
07-27
30.9° 17.4°
Both models agree Avg diff: 4.0°C

Where are air quality stations near Post Falls?

64
Spokane Valley-E Wellesley Ave
18.2 km PM2.5: 18.3 µg/m³
82
Spokane Valley-N Pines Rd
22.0 km PM2.5: 26.9 µg/m³
62
E Broadway Ave, Spokane, Washington, USA
23.7 km PM2.5: 17.3 µg/m³
79
E Broadway Ave, Spokane, Washington, USA
23.7 km PM2.5: 25.4 µg/m³
25
E Broadway Ave, Spokane, Washington, USA
23.7 km PM2.5: 6.0 µg/m³
91
E Broadway Ave, Spokane, Washington, USA
23.7 km PM2.5: 31.1 µg/m³
34
E Broadway Ave, Spokane, Washington, USA
23.7 km PM2.5: 8.2 µg/m³
75
Spokane-Greenbluff
27.0 km PM2.5: 23.6 µg/m³

What cities are near Post Falls?

25 Coeur d'Alene 90 Spokane Valley 92 Opportunity 99 Spokane 117 Moscow 160 Pullman 88 Lewiston 89 Lewiston Orchards 147 Moses Lake 59 Kalispell
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T20:01 UTC.