Chiang Saen district, Mae Sai, Chiang Rai, Thailand Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Chiang Saen district, Mae Sai, Chiang Rai, Thailand
AQI Trends: Highest and Lowest
Same Day Analysis (6th August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 50 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Chiang Saen district, Mae Sai, Chiang Rai, Thailand
5 AM6th Aug 2025
7 PM
4 AM7th Aug 2025
55AQI
30AQI
54AQI
45AQI
In the last 24 hours,
Chiang Saen district's AQI reached its highest point of 55 at 5 AM during the Day, while the lowest point, 30, was recorded at 3 PM during the Day between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Chiang Saen district, Mae Sai, Chiang Rai, Thailand
25°C22/31°C
25°C20/29°C
24°C20/29°C
23°C20/26°C
24°C20/29°C
24°C20/30°C
24°C21/30°C
23°C21/26°C
23°C21/26°C
22°C21/24°C
23°C20/28°C
24°C19/31°C
25°C20/30°C
24°C20/30°C
23°C21/24°C
22°C21/24°C
22°C20/25°C
23°C21/25°C
23°C20/26°C
23°C21/24°C
23°C22/23°C
24°C20/29°C
26°C22/32°C
25°C20/32°C
24°C21/30°C
25°C20/32°C
25°C20/32°C
22°C20/24°C
24°C21/29°C
23°C22/26°C
--°C/°C
51AQI
43AQI
50AQI
50AQI
2025 Days Vs Air Quality
Chiang Saen district, Mae Sai, Chiang Rai, Thailand
29%
64
36%
78
30%
65
5%
11
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Under WHO’s Safe Air Quality Limits: 29%
Health Risk Level:
Very high
In 2025, 29% of 219 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Chiang Saen district, Mae Sai, Chiang Rai, Thailand
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
88AQI
84AQI
77AQI
83AQI
94AQI
109AQI
112AQI
110AQI
118AQI
109AQI
101AQI
91AQI
91AQI
97AQI
106AQI
97AQI
93AQI
97AQI
100AQI
105AQI
117AQI
122AQI
121AQI
112AQI
103AQI
105AQI
76AQI
82AQI
96AQI
110AQI
103AQI
101AQI
105AQI
109AQI
115AQI
114AQI
112AQI
109AQI
106AQI
89AQI
102AQI
108AQI
109AQI
108AQI
107AQI
104AQI
130AQI
127AQI
128AQI
116AQI
112AQI
110AQI
103AQI
98AQI
78AQI
67AQI
59AQI
65AQI
72AQI
75AQI
82AQI
97AQI
112AQI
131AQI
128AQI
137AQI
112AQI
107AQI
99AQI
108AQI
118AQI
103AQI
110AQI
135AQI
130AQI
144AQI
133AQI
88AQI
94AQI
108AQI
134AQI
144AQI
152AQI
157AQI
158AQI
158AQI
164AQI
163AQI
165AQI
160AQI
152AQI
151AQI
149AQI
151AQI
148AQI
140AQI
113AQI
108AQI
129AQI
134AQI
131AQI
98AQI
69AQI
57AQI
57AQI
54AQI
54AQI
54AQI
58AQI
60AQI
66AQI
82AQI
89AQI
100AQI
109AQI
110AQI
105AQI
78AQI
72AQI
67AQI
66AQI
66AQI
64AQI
61AQI
70AQI
77AQI
93AQI
92AQI
80AQI
96AQI
93AQI
54AQI
64AQI
65AQI
48AQI
46AQI
46AQI
36AQI
38AQI
45AQI
54AQI
54AQI
59AQI
40AQI
34AQI
34AQI
39AQI
34AQI
39AQI
38AQI
34AQI
38AQI
35AQI
47AQI
58AQI
69AQI
75AQI
72AQI
70AQI
66AQI
48AQI
40AQI
44AQI
49AQI
48AQI
36AQI
32AQI
38AQI
39AQI
42AQI
45AQI
49AQI
58AQI
49AQI
47AQI
48AQI
48AQI
46AQI
49AQI
49AQI
49AQI
49AQI
44AQI
52AQI
46AQI
47AQI
44AQI
42AQI
45AQI
52AQI
52AQI
51AQI
46AQI
46AQI
46AQI
46AQI
48AQI
49AQI
46AQI
45AQI
47AQI
48AQI
48AQI
43AQI
39AQI
39AQI
42AQI
40AQI
39AQI
40AQI
44AQI
54AQI
57AQI
54AQI
53AQI
56AQI
54AQI
50AQI
100AQI
102AQI
126AQI
98AQI
57AQI
49AQI
46AQI
54AQI
No. of days
202582AQI
Highest AQI recorded in
March126AQI
Lowest AQI recorded in
July46AQI
202458AQI
Highest AQI recorded in
April160AQI
Lowest AQI recorded in
July31AQI
2023135AQI
Highest AQI recorded in
April213AQI
Lowest AQI recorded in
June44AQI
202290AQI
Highest AQI recorded in
December102AQI
Lowest AQI recorded in
November77AQI
Most & Least Polluted Years Over the Last 4 Years
Chiang Saen district's annual 2025 AQI (82) shows an average percentage change of -2.8% (improved AQI) compared to previous years: 2022 (90), 2023 (135), 2024 (58).