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
AD 728×90

PM2.5 Trend (24h)

25h · 7 stations
83.2%
Humidity
16.1 km/h
Wind N
1009.4 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Temperature & Precipitation

PM2.513.33 µg/m³ ✓ WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX6.9
High
AD 300×250
13.33
Median
13.33
Average
13.33
Low
13.33
High
PM2.5 µg/m³ · Model: 16.15 · Bias: +2.8
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

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.