Air Quality in Vientiane, Lao People's Democratic Republic

Rain
22.6°C · 97.0% humidity
22.6°
Feels 22.6°
71
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast
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Station readings
96
71
70

Air Quality Index Trend

40h · 1 stn

Vientiane'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. Current PM2.5 concentration in Vientiane is 1.4× the WHO 24-hour guideline of 15 µg/m³.

97.0%
Humidity
10.3 km/h
Wind E
1012.4 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
71
21.35 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Vientiane?

Temperature & Precipitation

PM2.5 Trend

40h · 1 station
PM2.521.35 µg/m³ ×1.4 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX0.0
Low
Station readings (2 stations within 25 km)
21.35
Median
21.35
Average
21.1
Low
21.6
High
PM2.5 µg/m³ · Model: 8.2 · Bias: -13.1

What is the 7-day forecast for Vientiane?

10-21
28.8° 22.6°
8.0 mm
10-22
33.2° 23.8°
0.06 mm
10-23
32.4° 23.4°
10-24
31.2° 23.1°
4.5 mm
10-25
30.9° 22.2°
0.44 mm
10-26
30.7° 21.4°
16.44 mm
10-27
30.4° 21.0°
Both models agree Avg diff: 2.4°C

Where are air quality stations near Vientiane?

96
T.Meechai A.Muang Nongkhai Province, Thailand (ต.มีชัย อ.เมืองหนองคาย จ.หนองคาย)
16.9 km PM2.5: 33.5 µg/m³
71
T.Meechai A.Muang Nongkhai Province, Thailand (ต.มีชัย อ.เมืองหนองคาย จ.หนองคาย)
16.9 km PM2.5: 21.6 µg/m³
70
T.Meechai A.Muang Nongkhai Province, Thailand (ต.มีชัย อ.เมืองหนองคาย จ.หนองคาย)
16.9 km PM2.5: 21.1 µg/m³

What cities are near Vientiane?

71 Tha Bo 71 Nong Khai 27 Nam Som 52 Kut Chap 54 Phon Charoen 52 Udon Thani 18 Ban Dung 25 Na Klang 25 Nong Bua Lamphu 25 Ban Phan Don
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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 2026-10-21T00:34 UTC.