Vientiane

Vientiane, Vientiane Prefecture

Updated: May 11, 2026, 4:35 PM

—

Data unavailable

Current Weather

27.4°C

Temperature

82%

Humidity

2.6

mph wind

Clear sky

Conditions

Pollutant Breakdown

—

PM2.5

µg/m³ · Fine particles

—

PM10

µg/m³ · Coarse particles

—

Ozone

ppb · Ground-level ozone

—

NO₂

ppb · Nitrogen dioxide

—

SO₂

ppb · Sulfur dioxide

—

ppm · Carbon monoxide

PM2.5 Forecast (next 7 days)

Sat

3/28

137

avg

Sun

3/29

avg

Mon

3/30

137

avg

Tue

3/31

146

avg

Wed

4/1

100

avg

Thu

4/2

avg

Fri

4/3

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