Air Quality in Vientiane, Lao People's Democratic Republic
Heavy Rain
24.2°C · 97.2% humidity
24.2°
Feels 24.2°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station
Nearby Monitoring Stations
Vientiane's air quality — share it
AQI Forecast
Calibrated
59
4pm
57
59
54
7pm
53
54
55
10pm
56
56
55
1am
56
56
56
4am
56
56
56
7am
56
56
56
10am
56
56
56
1pm
56
56
Station readings
56
65
55
CAMS model
adj +32
27
25
27
27
25
25
25
25
25
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
Air Quality Index Trend
39h · 1 stnVientiane's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. The worst conditions typically occur from February to April during the regional burning season.
97.2%
Humidity
19.6 km/h
Wind SE
1005.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
13.5 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Vientiane?
Temperature & Precipitation
PM2.5 Trend
39h · 1 stationPM2.513.5 µg/m³
✓ WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
13.5
Median
13.5
Average
13.5
Low
13.5
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -6.2
What is the 7-day forecast for Vientiane?
09-05
29.2° 23.5°
24.44 mm
09-06
26.6° 23.6°
16.5 mm
09-07
30.8° 22.8°
3.25 mm
09-08
30.0° 23.3°
31.75 mm
09-09
30.9° 23.1°
2.31 mm
09-10
33.3° 23.9°
10.63 mm
09-11
32.7° 22.5°
3.0 mm
Both models agree
Avg diff: 2.3°C
Where are air quality stations near Vientiane?
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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 2026-09-05T12:15 UTC.