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Chiang Rai Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-08-04 08:25:09 PM (Local Time)

location image
Live AQI
58(AQI-US)
Air Quality is
Moderate
pm10 :  49 µg/m³
PM2.5 :  13 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level.webp in Chiang Rai
cloudy

23 °C

Cloudy
Humidity
Humidity91 %
Wind Speed
Wind Speed4 km/h
UV Index
UV Index0
Last Updated: 2025-08-04 08:25:09 PM (Local Time)
Map

Chiang Rai

Major Air Pollutants

Chiang Rai

PM2.5's Icon

Particulate Matter(PM2.5)

13µg/m³

PM10's Icon

Particulate Matter(PM10)

49µg/m³

CO's Icon

Carbon Monoxide(CO)

334ppb

SO2's Icon

Sulfur Dioxide(SO2)

2ppb

NO2's Icon

Nitrogen Dioxide(NO2)

7ppb

O3's Icon

Ozone(O3)

11ppb

Trending in Thailand

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AQI.IN's Community Air Quality Monitoring Get a Free AQI Monitor by Joining AQI.IN's Community Initiative.

AQI.IN's Community Air Quality Monitoring Get a Free AQI Monitor by Joining AQI.IN's Community Initiative.

Free Air Quality Monitor from AQI.in: How Anyone Can Track Pollution?

Free Air Quality Monitor from AQI.in: How Anyone Can Track Pollution?

AQI Graph

Historical Air Quality Data

Chiang Rai

24 Hours
AQI
Chiang Rai
AQI
.
03-08-2025Time04-08-2025
52
Min.at 2:10 PM on 4th Aug
61
Max.at 3:10 PM on 4th Aug

Want air quality data?

Download 2024 Annual Data

World Air Quality Report

Globe

AQI Trends - Annual Air Quality Changes

Chiang Rai, Chiang Rai, Thailand

AQI
Year
.
AQI

Annual AQI Trends

2020
70AQI
2021
69AQI
-1%
Fall
2022
70AQI
1%
Rise
2023
85AQI
21%
Rise
2024
72AQI
-15%
Fall
2025
79AQI
10%
Rise
Overall Annual Percentage (%) change of AQI in (2020 to 2025)
3%
Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedMarch, 2020208AQI
Least PollutedJuly, 202220AQI

* This data analysis is from year 2020 - 2025

Chiang Rai's Locations

Real-time Air Pollution Level

Location
Status
AQI
PM2.5(µg/m³)
PM10(µg/m³)
Temp.(°C)
Humi.(%)
Moderate
57
12
49
30
68
Moderate
59
14
49
30
70
Moderate
61
14
47
30
70
Moderate
61
14
47
30
70
Moderate
59
14
47
30
70
Moderate
60
14
47
30
70
Moderate
60
14
51
30
69
Moderate
56
12
51
30
66
Moderate
58
13
51
30
68
Moderate
54
11
49
30
67
Moderate
56
12
48
30
67
Moderate
58
13
50
29
70
Moderate
59
14
47
30
70
Moderate
57
12
49
30
66
Moderate
61
14
49
30
70
Moderate
57
12
49
30
68
Moderate
59
13
51
30
67
Moderate
55
12
48
30
64
Moderate
57
12
49
30
67
Moderate
58
13
51
30
67
Moderate
58
13
49
30
70
Moderate
60
14
51
30
69
Moderate
55
11
51
30
66
Moderate
58
13
57
30
67
Moderate
55
11
53
30
66
Moderate
58
13
49
30
68
Moderate
58
13
49
30
68
Moderate
59
13
49
30
69
Moderate
57
12
51
30
63
Moderate
57
12
57
30
64
Moderate
56
12
50
30
66
Moderate
55
11
48
30
67
Moderate
59
13
51
30
67
Moderate
56
12
48
30
65
Moderate
59
13
49
30
70
Moderate
55
12
48
30
64
Moderate
58
13
48
30
68
Moderate
55
11
48
30
67
Moderate
61
14
49
30
69
Moderate
57
12
49
30
67
Moderate
57
12
49
30
67
Moderate
57
12
49
30
67
Moderate
56
12
48
30
65
Moderate
61
14
49
30
70

Thailand's Metro Cities

Air Quality Index

Bangkok City AQI

Bangkok

59

temp.32°C
hum.59%
Chiang Mai City AQI

Chiang Mai

56

temp.31°C
hum.63%
Hat Yai City AQI

Hat Yai

53

temp.26°C
hum.89%
Hua Hin City AQI

Hua Hin

53

temp.29°C
hum.70%
Khon Kaen City AQI

Khon Kaen

58

temp.30°C
hum.70%
Nakhon Ratchasima City AQI

Nakhon Ratchasima

58

temp.29°C
hum.65%
Pattaya City City AQI

Pattaya City

52

temp.31°C
hum.66%
Phitsanulok City AQI

Phitsanulok

56

temp.33°C
hum.63%

Air Quality Calendar 2025

Chiang Rai

2025
AQI
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Jan
85
2 Jan
81
3 Jan
78
4 Jan
83
5 Jan
92
6 Jan
108
7 Jan
104
8 Jan
109
9 Jan
117
10 Jan
110
11 Jan
101
12 Jan
88
13 Jan
91
14 Jan
95
15 Jan
99
16 Jan
95
17 Jan
92
18 Jan
93
19 Jan
95
20 Jan
105
21 Jan
115
22 Jan
120
23 Jan
119
24 Jan
112
25 Jan
102
26 Jan
103
27 Jan
76
28 Jan
80
29 Jan
95
30 Jan
109
31 Jan
101
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Feb
100
2 Feb
102
3 Feb
102
4 Feb
110
5 Feb
110
6 Feb
108
7 Feb
107
8 Feb
104
9 Feb
88
10 Feb
100
11 Feb
102
12 Feb
105
13 Feb
104
14 Feb
97
15 Feb
100
16 Feb
118
17 Feb
119
18 Feb
123
19 Feb
112
20 Feb
108
21 Feb
101
22 Feb
99
23 Feb
92
24 Feb
71
25 Feb
63
26 Feb
56
27 Feb
62
28 Feb
70
March
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Mar
69
2 Mar
77
3 Mar
90
4 Mar
108
5 Mar
126
6 Mar
122
7 Mar
131
8 Mar
117
9 Mar
107
10 Mar
95
11 Mar
103
12 Mar
110
13 Mar
96
14 Mar
108
15 Mar
132
16 Mar
129
17 Mar
143
18 Mar
129
19 Mar
89
20 Mar
92
21 Mar
106
22 Mar
131
23 Mar
144
24 Mar
154
25 Mar
158
26 Mar
157
27 Mar
157
28 Mar
162
29 Mar
163
30 Mar
165
31 Mar
159
April
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Apr
153
2 Apr
151
3 Apr
151
4 Apr
152
5 Apr
151
6 Apr
143
7 Apr
113
8 Apr
111
9 Apr
134
10 Apr
133
11 Apr
134
12 Apr
105
13 Apr
81
14 Apr
59
15 Apr
56
16 Apr
51
17 Apr
52
18 Apr
50
19 Apr
56
20 Apr
59
21 Apr
65
22 Apr
84
23 Apr
88
24 Apr
101
25 Apr
109
26 Apr
111
27 Apr
109
28 Apr
79
29 Apr
73
30 Apr
66
May
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 May
62
2 May
64
3 May
59
4 May
62
5 May
63
6 May
70
7 May
83
8 May
83
9 May
77
10 May
87
11 May
83
12 May
61
13 May
59
14 May
59
15 May
44
16 May
44
17 May
45
18 May
38
19 May
40
20 May
46
21 May
52
22 May
55
23 May
52
24 May
42
25 May
40
26 May
38
27 May
42
28 May
38
29 May
40
30 May
39
31 May
39
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Jun
41
2 Jun
40
3 Jun
46
4 Jun
57
5 Jun
65
6 Jun
66
7 Jun
63
8 Jun
61
9 Jun
60
10 Jun
47
11 Jun
43
12 Jun
43
13 Jun
44
14 Jun
44
15 Jun
40
16 Jun
39
17 Jun
40
18 Jun
33
19 Jun
33
20 Jun
36
21 Jun
40
22 Jun
45
23 Jun
38
24 Jun
39
25 Jun
40
26 Jun
42
27 Jun
38
28 Jun
38
29 Jun
38
30 Jun
41
July
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Jul
44
2 Jul
41
3 Jul
44
4 Jul
38
5 Jul
37
6 Jul
34
7 Jul
32
8 Jul
35
9 Jul
40
10 Jul
42
11 Jul
39
12 Jul
35
13 Jul
34
14 Jul
33
15 Jul
34
16 Jul
35
17 Jul
35
18 Jul
34
19 Jul
34
20 Jul
35
21 Jul
38
22 Jul
37
23 Jul
36
24 Jul
31
25 Jul
32
26 Jul
34
27 Jul
34
28 Jul
33
29 Jul
33
30 Jul
36
31 Jul
46
August
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Aug
56
2 Aug
54
3 Aug
54
4 Aug
-
5 Aug
-
6 Aug
-
7 Aug
-
8 Aug
-
9 Aug
-
10 Aug
-
11 Aug
-
12 Aug
-
13 Aug
-
14 Aug
-
15 Aug
-
16 Aug
-
17 Aug
-
18 Aug
-
19 Aug
-
20 Aug
-
21 Aug
-
22 Aug
-
23 Aug
-
24 Aug
-
25 Aug
-
26 Aug
-
27 Aug
-
28 Aug
-
29 Aug
-
30 Aug
-
31 Aug
-
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

Health Advice For People Living In

Chiang Rai

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

Disclaimer: This cigarette-equivalent estimate is based on the average PM2.5 concentration over the last 24 hours, assuming continuous exposure during that time.

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 Rai

  • asthma due to air pollution in Chiang RaiAsthma
  • heart due to air pollution in Chiang RaiHeart Issues
  • allergy due to air pollution in Chiang RaiAllergies
  • sinus due to air pollution in Chiang RaiSinus
  • flu due to air pollution in Chiang RaiCold/Flu
  • copd due to air pollution in Chiang RaiChronic (COPD)
asthma due to air pollution in Chiang Rai

Mild Chances of Asthma

Asthma

Risk of Asthma symptoms is Mild 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.

Disclaimer: The above health risks are precautionary suggestions based on current AQI levels. You may not feel the effects immediately, but prolonged exposure to air pollution can contribute to these health conditions over time. AQI.IN is neither a medical expert nor a provider of medical advice. Please consult a doctor if you experience any of the above similar symptoms.

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

Follow

1.

Uthai Thani, Thailand

66
Moderate
4xabove Standard

2.

Muen Wai, Thailand

63
Moderate
4xabove Standard

3.

Mae Salong Nok, Thailand

63
Moderate
4xabove Standard

4.

Pattani, Thailand

62
Moderate
4xabove Standard

5.

Ban Bang Kaeo, Thailand

62
Moderate
4xabove Standard

6.

Na Mo Ma, Thailand

62
Moderate
4xabove Standard

7.

Mueang Surin, Thailand

61
Moderate
4xabove Standard

8.

Khlong Luang, Thailand

61
Moderate
4xabove Standard

9.

Phra Pradaeng, Thailand

61
Moderate
4xabove Standard

10.

Wang Saphung, Thailand

61
Moderate
4xabove Standard

Last Updated: 04 Aug 2025, 01:32 PM

AQI City Rankings

Air Quality Solutions For Chiang Rai

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

Air Quality Monitor

Monitor the air quality
Air Quality Sensors

Air Quality Sensors

Sensors to measure the air quality
Fresh Air Machine

Fresh Air Machine

Clean the air you breathe
Car Cabin Filter

Car Cabin Filter

Purify the air in your car
N95 Mask

N95 Mask

Shield yourself from pollution
air quality solutions for offices for Chiang Rai

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 for Chiang Rai

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 Chiang Rai

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 for Chiang Rai

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 for Chiang Rai

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 for Chiang Rai

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 for Chiang Rai

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 for Chiang Rai

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 for Chiang Rai

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 Chiang Rai

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 for Chiang Rai

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 for Chiang Rai

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 Chiang Rai

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 for Chiang Rai

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 for Chiang Rai

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 for Chiang Rai

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.

Chiang Rai'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 Rai
Mobile App

Empower Your Decisions with Reliable Data

Get it onApp Store
Get it onGoogle Play
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 Rai

Frequently Asked Questions About Air Quality

What is the current AQI level in Chiang Rai?

The current real-time AQI level in Chiang Rai is 58 (Moderate). This was last updated 2025-08-04 08:25:09 PM (Local Time).

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

The best AQI level was 52 (Moderate) at 2:10 PM (Local Time) during the last 24 hours.

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

The worst AQI level was 61 (Moderate) at 3:10 PM (Local Time) during the last 24 hours.

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

The AQI levels in Chiang Rai have been fluctuating throughout the last 24 hours. The levels have increased by highest 61 at 3:10 PM (Local Time), lowest 52 at 2:10 PM (Local Time).

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

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

Recent AQI Blogs

Read the latest news

Here are some latest blogs that you can go through to find out more air pollution.

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Prana Sense

Air Quality Monitor

Air Quality Index depicts the extent of air pollution at a particular location.

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Pocket PM

Air Quality Monitor

Know the air quality around you wherever you are with the Pocket monitor to get instant air quality insights.

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Cair +

Indoor Air Quality Monitor

Track indoor air quality with advanced connectivity and portability for real-time air quality data.

Cair + Indoor Air Quality MonitorCair + Indoor Air Quality Monitor