Air Quality in Vientiane, Lao People's Democratic Republic
Drizzle
24.9°C · 92.8% humidity
24.9°
Feels 24.9°
41
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Vientiane's air quality — share it
AQI Forecast
Calibrated
42
8am
42
42
41
11am
42
42
42
2pm
42
42
42
5pm
42
44
51
8pm
51
51
51
11pm
51
51
51
2am
44
44
51
5am
51
44
Station readings
41
48
44
42
CAMS model
adj +17
25
25
25
25
25
25
25
25
25
25
25
27
34
34
34
34
34
34
34
27
27
34
34
27
Air Quality Index Trend
27h · 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.
92.8%
Humidity
19.9 km/h
Wind NNW
1005.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.8 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Vientiane?
Temperature & Precipitation
PM2.5 Trend
27h · 1 stationPM2.59.8 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
9.8
Median
9.8
Average
9.8
Low
9.8
High
PM2.5 µg/m³ · Model: 6.0 · Bias: -3.8
What is the 7-day forecast for Vientiane?
08-03
31.9° 24.4°
7.37 mm
08-04
30.1° 24.7°
12.12 mm
08-05
31.2° 22.9°
10.37 mm
08-06
26.1° 23.2°
16.44 mm
08-07
28.4° 23.5°
16.94 mm
08-08
29.9° 23.6°
17.44 mm
08-09
28.6° 24.1°
20.62 mm
Both models agree
Avg diff: 2.8°C
Where are air quality stations near Vientiane?
42
T.Meechai A.Muang Nongkhai Province, Thailand (ต.มีชัย อ.เมืองหนองคาย จ.หนองคาย)
44
T.Meechai A.Muang Nongkhai Province, Thailand (ต.มีชัย อ.เมืองหนองคาย จ.หนองคาย)
What cities are 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 2026-08-08T04:49 UTC.