AQI PM2.5 PM10 CO SO2 NO2 O3

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Vientiane Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in Viangchan

Last Updated: 2025-05-30 11:40:50 PM (Local Time)

Live AQI

Air Quality is

Good

pm10 : 13 µg/m³

PM2.5 : 6 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

26 °C

Last Updated: 2025-05-30 11:40:50 PM (Local Time)

Map

Vientiane

Major Air Pollutants
Vientiane

Particulate Matter(PM2.5)

6µg/m³

Particulate Matter(PM10)

13µg/m³

Carbon Monoxide(CO)

1ppb

Sulfur Dioxide(SO2)

1ppb

Nitrogen Dioxide(NO2)

59ppb

Ozone(O3)

6ppb

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AQI Graph

Historical Air Quality Data
Vientiane

24 Hours

AQI

Vientiane

Want air quality data?

AQI Trends - Annual Air Quality Changes
Vientiane, Viangchan, Laos

AQI

Year

AQI

Annual AQI Trends

2020

55AQI

2022

115AQI

109%

Rise

2023

94AQI

-18%

Fall

2024

76AQI

-19%

Fall

2025

92AQI

21%

Rise

Overall Annual Percentage (%) change of AQI in (2020 to 2025)

23%

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedMarch, 2023148AQI

Least PollutedSeptember, 202439AQI

* This data analysis is from year 2020 - 2025

Vientiane's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Faculty of Engineering National University of Laos Purple Air Project

Good

Houakhoua

Good

Sikhottabong

Good

Vientiane University Of Health Science 2

Good

Laos's Metro Cities
Air Quality Index

Phonsavan

Vientiane

Air Quality Calendar 2025
Vientiane

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 88	2 Jan 89	3 Jan 91	4 Jan 108
5 Jan 112	6 Jan 123	7 Jan 130	8 Jan 123	9 Jan 120	10 Jan 90	11 Jan 91
12 Jan 99	13 Jan 110	14 Jan 121	15 Jan 103	16 Jan 92	17 Jan 108	18 Jan 118
19 Jan 117	20 Jan 125	21 Jan 125	22 Jan 134	23 Jan 137	24 Jan 142	25 Jan 141
26 Jan 105	27 Jan 84	28 Jan 87	29 Jan 99	30 Jan 105	31 Jan 119	1 Feb 123

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 105	27 Jan 84	28 Jan 87	29 Jan 99	30 Jan 105	31 Jan 119	1 Feb 123
2 Feb 129	3 Feb 113	4 Feb 87	5 Feb 93	6 Feb 108	7 Feb 96	8 Feb 76
9 Feb 78	10 Feb 82	11 Feb 90	12 Feb 111	13 Feb 98	14 Feb 101	15 Feb 101
16 Feb 122	17 Feb 101	18 Feb 95	19 Feb 89	20 Feb 98	21 Feb 87	22 Feb 86
23 Feb 70	24 Feb 65	25 Feb 61	26 Feb 56	27 Feb 69	28 Feb 83	1 Mar 82

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 70	24 Feb 65	25 Feb 61	26 Feb 56	27 Feb 69	28 Feb 83	1 Mar 82
2 Mar 86	3 Mar 100	4 Mar 118	5 Mar 115	6 Mar 113	7 Mar 78	8 Mar 77
9 Mar 84	10 Mar 71	11 Mar 87	12 Mar 99	13 Mar 79	14 Mar 85	15 Mar 104
16 Mar 86	17 Mar 82	18 Mar 83	19 Mar 102	20 Mar 105	21 Mar 127	22 Mar 137
23 Mar 152	24 Mar 158	25 Mar 162	26 Mar 160	27 Mar 153	28 Mar 154	29 Mar 153
30 Mar 129	31 Mar 116	1 Apr 108	2 Apr 121	3 Apr 131	4 Apr 133	5 Apr 130

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 129	31 Mar 116	1 Apr 108	2 Apr 121	3 Apr 131	4 Apr 133	5 Apr 130
6 Apr 106	7 Apr 100	8 Apr 95	9 Apr 92	10 Apr 83	11 Apr 87	12 Apr 74
13 Apr 65	14 Apr 75	15 Apr 69	16 Apr 72	17 Apr 65	18 Apr 64	19 Apr 65
20 Apr 66	21 Apr 69	22 Apr 77	23 Apr 81	24 Apr 86	25 Apr 90	26 Apr 89
27 Apr 77	28 Apr 78	29 Apr 74	30 Apr 77	1 May 77	2 May 77	3 May 73

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 77	28 Apr 78	29 Apr 74	30 Apr 77	1 May 77	2 May 77	3 May 73
4 May 85	5 May 90	6 May 80	7 May 88	8 May 74	9 May 65	10 May 70
11 May 53	12 May 46	13 May 65	14 May 65	15 May 50	16 May 47	17 May 54
18 May 49	19 May 53	20 May 50	21 May 57	22 May 53	23 May 56	24 May 47
25 May 44	26 May 41	27 May 41	28 May 47	29 May 45	30 May -	31 May -

Health Advice For People Living In
Vientiane

0Cigarettes per day

Weekly 0 Cigarettes

Monthly 0 Cigarettes

Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.

Source:

Berkeley Earth

Solutions for Current AQI

Air PurifierTurn Off
Car FilterAdvisable
N95 MaskAdvisable
Stay IndoorAdvisable

As per the current AQI, turn off the air purifier.

Prevent Health Problems: Understand Your Risks

Vientiane

Asthma
Heart Issues
Allergies
Sinus
Cold/Flu
Chronic (COPD)

Low Chances of Asthma

Asthma

Risk of Asthma symptoms is Low when AQI is Good (0-50)

Mild symptoms such as slight wheezing, occasional cough, and minor shortness of breath

Do's :

Keep track of air quality to plan outdoor activities safely.
Drink water to keep airways moist and reduce irritation.
Include non-allergenic fruits and vegetables that support overall lung health, like apples, pears, and spinach.

Don'ts :

Skip medications that is prescribed by your doctor.
Engage in outdoor activities in early morning during high pollen hours.

Most Polluted Cities 2025
Laos

Analyze the real-time most air polluted cities in the country.

Most Polluted Cities Live Ranking 2025

World's Most PollutedCity Rankings (2024)

World's Most PollutedCountry Rankings(2024)

RankCityAQIAQI Status

Standard Value

Chaloem Phra Kiat, Laos

Poor

7xabove Standard

Pakkading District, Laos

Phonsavan, Laos

Xam Neua District, Laos

Moderate

4xabove Standard

Chaloem Phra Kiat, Laos

Luang Prabang, Laos

Sainyabuli, Laos

Nan, Laos

Thakhek District, Laos

Moderate

3xabove Standard

10.

Nakhon Phanom, Laos

Moderate

3xabove Standard

Last Updated: 30 May 2025, 04:51 PM

AQI City Rankings

Air Quality Solutions For Vientiane
Explore the solutions of air quality monitoring & clean air.

Here are some applications that you can go through to find out the solutions.

Air Quality Monitor

Monitor the air quality

Air Quality Sensors

Sensors to measure the air quality

Fresh Air Machine

Clean the air you breathe

Car Cabin Filter

Purify the air in your car

N95 Mask

Shield yourself from pollution

air quality solutions for offices for Vientiane

Air Quality Solution For Offices

A complete solution for air quality monitoring, data analysis, and fresh air solutions in workplaces prioritizing employee's health and productivity.

Air Quality Solutions For Smart City

Prana Air smart city project provides air quality monitors, drones, outdoor air purifiers, and data dashboards solution to improve air quality.

air quality solutions for institutes for Vientiane

Air Quality Solutions for Schools | Institutes

Prana Air provides the air quality solutions for schools by air monitoring & fresh air machine that help the students to breather clean air.

Air Quality Solutions For Hotels

Prana Air air quality solutions are suited for hotel businesses. The occupancy of hotels is the main reasons for bad air quality.

Air Quality Solutions for Restaurants

Prana Air has the air quality solutions for restaurant, cafes, and gives you the power to know what your customers and staff breathe.

Air Quality Solutions for RMC Plants

Prana Air provides air quality monitoring solutions for RMC plants. Improve compliance, protect workers and community, and reduce emissions.

Air Quality Solutions for Fitness Center

Prana Air provides the air quality solutions of pollution monitoring and fresh air for fitness center - gym.

Air Quality Solutions for Parking Lot

A complete solution for air monitoring, data analysis, and fresh air solutions for enclosed car parking areas and car lots.

Air Quality Solutions for Retail Stores

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets.

air quality solutions for airport for Vientiane

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets

Prana Air provides the air quality solutions for airport. Gathering of many passengers is the main reasons of bad air quality in airport.

Air Quality Solutions For Construction Sites

Prana Air offers air quality monitoring solutions for construction sites with data cloud storage, web-dashboard, mobile apps, TV display.

Air Quality Solutions For Hospitals

Prana Air provides air quality monitoring and fresh air solutions for hospitals to ensure clean and healthy indoor air.

air quality solutions for bathroom for Vientiane

Air Quality Solutions For Washroom | Bathroom

Improve washroom and bathroom air quality with Prana Air air quality monitoring devices and fresh air machine. Breathe easy and stay healthy.

Air Quality Solutions for Banks

Prana Air provides air quality solutions of pollution monitoring and fresh air for banks and financial institutions.

Air Quality Solutions for Cinema

Air quality solutions for cinema halls or theatres will help the customers to get the good experience, comfort and breathe clean air.

Air Quality Solutions For Real Estates

Prana Air provides the air quality solutions of pollution monitoring and fresh air for real estates - residential and commercial.

Vientiane's AQI Data Analytics Solutions
Air quality data monitoring platforms

Mobile App

Smart TV App

Web Dashboard

API

Widgets

Mobile App

Empower Your Decisions with Reliable Data

Your area’s real-time data with detailed parameters.

Personalized health advice as per current AQI.

Analytical data to identify trends and conditions.

Connect and control your air quality devices.

Air Quality FAQs
at Vientiane

Frequently Asked Questions About Air Quality

What is the current AQI level in Vientiane?

The current real-time AQI level in Vientiane is 34 (Good) due to recent rainfall by 2.59mm/hr. This was last updated 2025-05-30 11:40:50 PM (Local Time).

When was the best AQI level in Vientiane in the last 24 hours?

The best AQI level was 34 (Good) at 11:10 PM (Local Time) during the last 24 hours.

When was the worst AQI level in Vientiane in the last 24 hours?

The worst AQI level was 53 (Moderate) at 5:10 AM (Local Time) during the last 24 hours.

What is the current trend of AQI levels in Vientiane during last 24 hours?

The AQI levels in Vientiane have been fluctuating throughout the last 24 hours. The levels have increased by highest 53 at 5:10 AM (Local Time), lowest 34 at 11:10 PM (Local Time).

What actions are recommended as per the current AQI level in Vientiane?

The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.