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Chiang Mai Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-07-20 01:55:08 PM (Local Time)

location image
Live AQI
61
Air Quality is
Moderate
pm10 :  72 µg/m³
PM2.5 :  9 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level.webp in Chiang Mai
partly cloudy

31 °C

Partly cloudy
Humidity
Humidity63 %

Wind Speed
Wind Speed8 km/h

UV Index
UV Index12
Last Updated: 2025-07-20 01:55:08 PM (Local Time)


Map

Chiang Mai

Major Air Pollutants

Chiang Mai

AQI Graph

Historical Air Quality Data

Chiang Mai

Chiang Mai
AQI
.
19-07-2025Time20-07-2025
43
Min.at 9:09 AM on 20th Jul
59
Max.at 12:09 AM on 20th Jul

Download 2024 Annual Data

World Air Quality Report

Globe

AQI Trends - Annual Air Quality Changes

Chiang Mai, Chiang Mai, Thailand

Year
.
AQI


Annual AQI Trends

2020
63AQI
2021
77AQI
22%
Rise
2022
74AQI
-4%
Fall
2023
97AQI
31%
Rise
2024
91AQI
-6%
Fall
2025
86AQI
-5%
Fall
Overall Annual Percentage (%) change of AQI in (2020 to 2025)
8%
Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedApril, 2023195AQI

Least PollutedJune, 202033AQI

* This data analysis is from year 2020 - 2025

Chiang Mai's Locations

Real-time Air Pollution Level

Location
Status
AQI
PM2.5(µg/m³)
PM10(µg/m³)
Temp.(°C)
Humi.(%)
Moderate
67
7
89
32
29
Moderate
52
10
51
30
48
Moderate
68
10
90
31
27
Moderate
58
13
32
29
68
Moderate
58
13
32
29
68
Moderate
68
10
90
31
27
Moderate
55
10
63
30
29
Good
42
7
41
32
49
Moderate
56
12
38
30
48
Moderate
55
11
51
30
48
Moderate
68
10
90
31
27
Moderate
54
9
63
30
26
Moderate
68
10
90
31
27
Moderate
78
10
110
30
23
Moderate
78
10
110
32
23
Moderate
52
10
51
30
46
Moderate
64
8
82
31
34
Good
42
7
41
32
49
Moderate
80
9
113
32
21
Moderate
58
13
47
30
63
Moderate
55
11
38
30
46
Moderate
66
8
85
32
23
Moderate
57
12
55
31
46
Moderate
55
10
63
30
34
Moderate
66
9
85
32
23
Moderate
66
7
85
32
23
Moderate
72
10
98
32
23
Moderate
55
10
65
30
30
Moderate
55
10
63
30
29
Moderate
55
10
63
30
29
Moderate
67
7
89
32
29
Moderate
64
8
82
31
34
Moderate
51
8
56
30
36
Moderate
55
8
63
30
34
Moderate
55
10
65
30
30
Moderate
53
8
61
30
35
Moderate
55
10
63
30
29
Moderate
80
9
113
32
21
Moderate
67
7
88
31
35
Moderate
67
7
88
31
35
Moderate
67
7
89
32
28
Moderate
67
7
89
32
28

Thailand's Metro Cities

Air Quality Index

Health Advice For People Living In

Chiang Mai

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 Purifier
    Air PurifierTurn On
  • Car Filter
    Car FilterMust
  • N95 Mask
    N95 MaskMust
  • Stay Indoor
    Stay IndoorMust


Must turn on the air purifier to enjoy fresh air.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Chiang Mai

  • asthma due to air pollution in Chiang MaiAsthma
  • heart due to air pollution in Chiang MaiHeart Issues
  • allergy due to air pollution in Chiang MaiAllergies
  • sinus due to air pollution in Chiang MaiSinus
  • flu due to air pollution in Chiang MaiCold/Flu
  • copd due to air pollution in Chiang MaiChronic (COPD)
asthma due to air pollution in Chiang Mai

Mid. Chances of Asthma

Asthma

Risk of Asthma symptoms is Mid. when AQI is Moderate (50-150)

Moderate symptoms including frequent wheezing, noticeable shortness of breath, chest tightness, and persistent cough.

Do's :

  • Limit outdoor activities when AQI is poor.

  • Clean indoor air with an air purifier to reduce exposure.

  • Soothe the respiratory tract with herbal teas or warm water to help alleviate symptoms.

Don'ts :

  • Exercise outdoors without a mask.

  • Stay in smoky areas with strong fumes.

Most Polluted Cities 2025

Thailand

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

Chiang Mai's AQI Data Analytics Solutions

Air quality data monitoring platforms

Mobile AppMobile App
Smart TV AppSmart TV App
Web DashboardWeb Dashboard
APIAPI
WidgetsWidgets
aqi air quality app for Chiang Mai
Mobile App

Empower Your Decisions with Reliable Data

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

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


Personalized health advice as per current AQI.

Personalized health advice as per current AQI.


Analytical data to identify trends and conditions.

Analytical data to identify trends and conditions.


Connect and control your air quality devices.

Connect and control your air quality devices.


Air Quality FAQs

at Chiang Mai

Frequently Asked Questions About Air Quality

What is the current AQI level in Chiang Mai?

The current real-time AQI level in Chiang Mai is 61 (Moderate) due to recent rainfall by 0.02mm/hr. This was last updated 2025-07-20 01:55:08 PM (Local Time).

When was the best AQI level in Chiang Mai in the last 24 hours?

The best AQI level was 43 (Good) at 9:09 AM (Local Time) during the last 24 hours.

When was the worst AQI level in Chiang Mai in the last 24 hours?

The worst AQI level was 59 (Moderate) at 12:09 AM (Local Time) during the last 24 hours.

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

The AQI levels in Chiang Mai have been fluctuating throughout the last 24 hours. The levels have increased by highest 59 at 12:09 AM (Local Time), lowest 43 at 9:09 AM (Local Time).

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

Current AQI levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.