Air Quality in Montana, BG
Cloudy
9.5°C · 83.2% humidity
9.5°
Feels 7.2°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station
Nearby Monitoring Stations
AQI Forecast
Calibrated
46
8pm
67
40
54
11pm
54
54
54
2am
66
66
66
5am
66
54
54
8am
54
54
54
11am
54
79
79
2pm
79
79
79
5pm
79
104
Station readings
46
67
40
CAMS model
adj +29
12
25
25
25
25
25
25
37
37
37
37
25
25
25
25
25
25
50
50
50
50
50
50
75
PM2.5 Trend (24h)
25h · 7 stations83.2%
Humidity
16.1 km/h
Wind N
1009.4 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
What is the weather forecast for Montana?
Temperature & Precipitation
PM2.513.33 µg/m³
✓ WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX6.9
High
Station readings (1 station within 25 km)
13.33
Median
13.33
Average
13.33
Low
13.33
High
PM2.5 µg/m³ · Model: 16.15 · Bias: +2.8
What is the 7-day forecast for Montana?
04-09
15.1° 10.2°
0.62 mm
04-10
19.9° 9.5°
2.5 mm
04-11
7.8° 1.4°
20.94 mm
04-12
3.2° 1.0°
9.06 mm
04-13
9.1° -0.0°
04-14
12.4° 3.2°
0.06 mm
04-15
7.6° 4.8°
15.38 mm
Both models agree
Avg diff: 6.3°C
Where are air quality stations near Montana?
What cities are near Montana?
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T23:14 UTC.