AQI PM2.5 PM10 CO SO2 NO2 O3

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Ko Samui Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-06-06 09:25:49 PM (Local Time)

Live AQI

Air Quality is

Good

pm10 : 25 µg/m³

PM2.5 : 7 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

29 °C

Last Updated: 2025-06-06 09:25:49 PM (Local Time)

Map

Ko Samui

Major Air Pollutants
Ko Samui

Particulate Matter(PM2.5)

7µg/m³

Particulate Matter(PM10)

25µg/m³

Carbon Monoxide(CO)

132ppb

Sulfur Dioxide(SO2)

4ppb

Nitrogen Dioxide(NO2)

5ppb

Ozone(O3)

7ppb

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AQI Graph

Historical Air Quality Data
Ko Samui

24 Hours

AQI

Ko Samui

Want air quality data?

AQI Trends - Annual Air Quality Changes
Ko Samui, Surat Thani, Thailand

AQI

Year

AQI

Annual AQI Trends

2022

54AQI

2023

65AQI

20%

Rise

2024

52AQI

-20%

Fall

2025

61AQI

17%

Rise

Overall Annual Percentage (%) change of AQI in (2022 to 2025)

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedApril, 202395AQI

Least PollutedJune, 202325AQI

* This data analysis is from year 2022 - 2025

Ko Samui's Locations
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Highway 4169

Good

Thailand's Metro Cities
Air Quality Index

Bangkok

Chiang Mai

Hua Hin

Phra Nakhon Si Ayutthaya

Phuket

Air Quality Calendar 2025
Ko Samui

2025

AQI

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 68	2 Jan 69	3 Jan 76	4 Jan 81
5 Jan 82	6 Jan 83	7 Jan 82	8 Jan 93	9 Jan 86	10 Jan 76	11 Jan 72
12 Jan 70	13 Jan 79	14 Jan 81	15 Jan 84	16 Jan 64	17 Jan 68	18 Jan 75
19 Jan 82	20 Jan 84	21 Jan 87	22 Jan 89	23 Jan 93	24 Jan 94	25 Jan 93
26 Jan 82	27 Jan 72	28 Jan 77	29 Jan 82	30 Jan 85	31 Jan 97	1 Feb 88

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 82	27 Jan 72	28 Jan 77	29 Jan 82	30 Jan 85	31 Jan 97	1 Feb 88
2 Feb 92	3 Feb 83	4 Feb 76	5 Feb 76	6 Feb 72	7 Feb 79	8 Feb 80
9 Feb 75	10 Feb 79	11 Feb 82	12 Feb 82	13 Feb 84	14 Feb 81	15 Feb 93
16 Feb 73	17 Feb 73	18 Feb 64	19 Feb 60	20 Feb 59	21 Feb 62	22 Feb 57
23 Feb 58	24 Feb 51	25 Feb 58	26 Feb 53	27 Feb 62	28 Feb 56	1 Mar 62

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 58	24 Feb 51	25 Feb 58	26 Feb 53	27 Feb 62	28 Feb 56	1 Mar 62
2 Mar 57	3 Mar 62	4 Mar 62	5 Mar 61	6 Mar 68	7 Mar 61	8 Mar 62
9 Mar 67	10 Mar 65	11 Mar 62	12 Mar 60	13 Mar 53	14 Mar 55	15 Mar 62
16 Mar 81	17 Mar 66	18 Mar 64	19 Mar 64	20 Mar 76	21 Mar 79	22 Mar 86
23 Mar 83	24 Mar 80	25 Mar 84	26 Mar 80	27 Mar 77	28 Mar 74	29 Mar 80
30 Mar 79	31 Mar 70	1 Apr 66	2 Apr 58	3 Apr 47	4 Apr 46	5 Apr 46

April

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
30 Mar 79	31 Mar 70	1 Apr 66	2 Apr 58	3 Apr 47	4 Apr 46	5 Apr 46
6 Apr 49	7 Apr 48	8 Apr 55	9 Apr 56	10 Apr 52	11 Apr 50	12 Apr 41
13 Apr 37	14 Apr 37	15 Apr 44	16 Apr 39	17 Apr 44	18 Apr 33	19 Apr 31
20 Apr 31	21 Apr 35	22 Apr 38	23 Apr 49	24 Apr 45	25 Apr 47	26 Apr 39
27 Apr 41	28 Apr 39	29 Apr 36	30 Apr 42	1 May 48	2 May 56	3 May 40

May

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
27 Apr 41	28 Apr 39	29 Apr 36	30 Apr 42	1 May 48	2 May 56	3 May 40
4 May 41	5 May 42	6 May 39	7 May 37	8 May 40	9 May 39	10 May 38
11 May 38	12 May 38	13 May 35	14 May 38	15 May 47	16 May 49	17 May 50
18 May 45	19 May 49	20 May 43	21 May 40	22 May 41	23 May 34	24 May 32
25 May 29	26 May 30	27 May 33	28 May 36	29 May 42	30 May 50	31 May 55

June

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
1 Jun 56	2 Jun 49	3 Jun 46	4 Jun 40	5 Jun 35	6 Jun -	7 Jun -
8 Jun -	9 Jun -	10 Jun -	11 Jun -	12 Jun -	13 Jun -	14 Jun -
15 Jun -	16 Jun -	17 Jun -	18 Jun -	19 Jun -	20 Jun -	21 Jun -
22 Jun -	23 Jun -	24 Jun -	25 Jun -	26 Jun -	27 Jun -	28 Jun -
29 Jun -	30 Jun -	1 Jul -	2 Jul -	3 Jul -	4 Jul -	5 Jul -

Health Advice For People Living In
Ko Samui

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

Ko Samui

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
Thailand

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

Phan District, Thailand

Wiang Kaen, Thailand

Mueang Phetchabun, Thailand

Moderate

5xabove Standard

Mae Sai district, Thailand

Moderate

5xabove Standard

Amphoe Mueang Lampang, Thailand

Sala, Thailand

Phanat Nikhom, Thailand

Moderate

5xabove Standard

Prachin Buri, Thailand

Lampang, Thailand

10.

Ban Mae Cho, Thailand

Moderate

5xabove Standard

Last Updated: 06 Jun 2025, 02:46 PM

AQI City Rankings

Air Quality Solutions For Ko Samui
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 Ko Samui

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 Ko Samui

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 Ko Samui

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 Ko Samui

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.

Ko Samui'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 Ko Samui

Frequently Asked Questions About Air Quality

What is the current AQI level in Ko Samui?

The current real-time AQI level in Ko Samui is 39 (Good). This was last updated 2025-06-06 09:25:49 PM (Local Time).

When was the best AQI level in Ko Samui in the last 24 hours?

The best AQI level was 27 (Good) at 2:10 PM (Local Time) during the last 24 hours.

When was the worst AQI level in Ko Samui in the last 24 hours?

The worst AQI level was 44 (Good) at 5:10 AM (Local Time) during the last 24 hours.

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

The AQI levels in Ko Samui have been fluctuating throughout the last 24 hours. The levels have increased by highest 44 at 5:10 AM (Local Time), lowest 27 at 2:10 PM (Local Time).

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

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