Vientiane
Vientiane, Vientiane Prefecture
Updated: Mar 13, 2026, 6:28 PM
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Data unavailable
Current Weather
21.4°C
Temperature
66%
Humidity
5.9
mph wind
Partly cloudy
Conditions
Pollutant Breakdown
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PM2.5
µg/m³ · Fine particles
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PM10
µg/m³ · Coarse particles
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Ozone
ppb · Ground-level ozone
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NO₂
ppb · Nitrogen dioxide
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SO₂
ppb · Sulfur dioxide
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CO
ppm · Carbon monoxide
PM2.5 Forecast (next 7 days)
Sat
3/28
137
avg
Sun
3/29
94
avg
Mon
3/30
137
avg
Tue
3/31
146
avg
Wed
4/1
100
avg
Thu
4/2
90
avg
Fri
4/3
80
avg
Data from: CCDC - Climate Change Data Center, World Air Quality Index Project
Is the air safe in Vientiane today?
Real-time air quality data for Vientiane is currently unavailable. Please check back shortly.
The AQI scale runs from 0 to 500. Values of 0–50 are Good, 51–100 are Moderate, 101–150 are Unhealthy for Sensitive Groups, 151–200 are Unhealthy, 201–300 are Very Unhealthy, and 301–500 are Hazardous.
Air quality in Vientiane, Vientiane Prefecture is monitored by local environmental agencies and reported through the World Air Quality Index project. Data is updated hourly and includes PM2.5, PM10, ozone, nitrogen dioxide, sulfur dioxide, and carbon monoxide.
AQI Scale Reference
0–50
Good
51–100
Moderate
101–150
Unhealthy for Sensitive Groups
151–200
Unhealthy
201–300
Very Unhealthy
301+
Hazardous