Air Quality in Missoula, United States
Windy
32.0°C · 14.6% humidity
32.0°
Feels 32.0°
75
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station
Nearby Monitoring Stations
Missoula's air quality — share it
AQI Forecast
24
1pm
24
24
75
4pm
61
50
44
7pm
38
35
32
10pm
30
29
30
1am
29
28
28
4am
28
27
34
7am
34
34
34
10am
27
27
Air Quality Index Trend
43h · 1 stnMissoula'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 Missoula is 1.6× the WHO 24-hour guideline of 15 µg/m³.
14.6%
Humidity
59.0 km/h
Wind WNW
1004.4 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
23.28 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Missoula?
Temperature & Precipitation
PM2.5 Trend
43h · 1 stationPM2.523.28 µg/m³
×1.6 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX17.4
Extreme
Station readings (1 station within 25 km)
23.28
Median
23.28
Average
23.28
Low
23.28
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -17.4
What is the 7-day forecast for Missoula?
07-21
28.6° 14.1°
07-22
32.0° 14.6°
0.06 mm
07-23
33.9° 16.1°
0.13 mm
07-24
36.2° 14.9°
07-25
29.9° 15.1°
0.69 mm
07-26
33.6° 9.6°
07-27
26.9° 16.7°
Both models agree
Avg diff: 2.6°C
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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 2026-07-21T22:04 UTC.