Mae Sai 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
Mae Sai district, Mae Sai, Chiang Rai, Thailand
AQI Trends: Highest and Lowest
Same Day Analysis (16th August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 2nd highest AQI at 35 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Mae Sai district, Mae Sai, Chiang Rai, Thailand
5 AM15th Aug 2026
6 PM
4 AM16th Aug 2026
46AQI
21AQI
50AQI
26AQI
In the last 24 hours,
Mae Sai district's AQI reached its highest point of 50 at 10 PM during the Night, while the lowest point, 21, was recorded at 4 PM during the Day between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Mae Sai district, Mae Sai, Chiang Rai, Thailand
21°C21/23°C
22°C19/26°C
22°C19/27°C
22°C19/27°C
23°C20/27°C
23°C19/30°C
23°C20/29°C
23°C21/26°C
23°C20/28°C
24°C21/30°C
23°C21/29°C
23°C20/27°C
23°C21/27°C
23°C21/28°C
23°C21/27°C
24°C22/28°C
24°C22/28°C
23°C22/26°C
23°C22/25°C
23°C21/28°C
23°C21/28°C
24°C21/27°C
24°C22/27°C
24°C21/28°C
24°C21/28°C
23°C20/27°C
24°C19/30°C
24°C21/28°C
24°C19/31°C
24°C20/31°C
37AQI
31AQI
39AQI
31AQI
2026 Days Vs Air Quality
Mae Sai district, Mae Sai, Chiang Rai, Thailand
43%
98
46%
106
8%
19
2%
5
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Under WHO’s Safe Air Quality Limits: 43%
Health Risk Level:
Significant
In 2026, 43% of 228 days were within WHO’s safe air quality limits, and 57% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Mae Sai district, Mae Sai, Chiang Rai, Thailand
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
64AQI (US)
68AQI (US)
69AQI (US)
57AQI (US)
57AQI (US)
73AQI (US)
66AQI (US)
61AQI (US)
48AQI (US)
50AQI (US)
60AQI (US)
61AQI (US)
70AQI (US)
83AQI (US)
68AQI (US)
66AQI (US)
64AQI (US)
64AQI (US)
68AQI (US)
52AQI (US)
68AQI (US)
69AQI (US)
58AQI (US)
41AQI (US)
40AQI (US)
40AQI (US)
84AQI (US)
92AQI (US)
57AQI (US)
56AQI (US)
46AQI (US)
55AQI (US)
53AQI (US)
51AQI (US)
68AQI (US)
84AQI (US)
92AQI (US)
80AQI (US)
83AQI (US)
78AQI (US)
85AQI (US)
75AQI (US)
68AQI (US)
53AQI (US)
68AQI (US)
81AQI (US)
74AQI (US)
81AQI (US)
88AQI (US)
92AQI (US)
60AQI (US)
83AQI (US)
82AQI (US)
63AQI (US)
98AQI (US)
53AQI (US)
44AQI (US)
65AQI (US)
74AQI (US)
84AQI (US)
107AQI (US)
133AQI (US)
141AQI (US)
118AQI (US)
75AQI (US)
51AQI (US)
82AQI (US)
78AQI (US)
61AQI (US)
23AQI (US)
66AQI (US)
38AQI (US)
65AQI (US)
53AQI (US)
55AQI (US)
64AQI (US)
82AQI (US)
99AQI (US)
111AQI (US)
83AQI (US)
64AQI (US)
58AQI (US)
110AQI (US)
67AQI (US)
88AQI (US)
131AQI (US)
121AQI (US)
89AQI (US)
130AQI (US)
135AQI (US)
167AQI (US)
175AQI (US)
171AQI (US)
172AQI (US)
163AQI (US)
80AQI (US)
68AQI (US)
100AQI (US)
109AQI (US)
147AQI (US)
119AQI (US)
97AQI (US)
96AQI (US)
119AQI (US)
116AQI (US)
88AQI (US)
76AQI (US)
98AQI (US)
62AQI (US)
90AQI (US)
110AQI (US)
128AQI (US)
106AQI (US)
111AQI (US)
91AQI (US)
66AQI (US)
68AQI (US)
42AQI (US)
69AQI (US)
73AQI (US)
56AQI (US)
63AQI (US)
41AQI (US)
57AQI (US)
33AQI (US)
53AQI (US)
77AQI (US)
18AQI (US)
32AQI (US)
26AQI (US)
22AQI (US)
21AQI (US)
25AQI (US)
45AQI (US)
31AQI (US)
96AQI (US)
94AQI (US)
77AQI (US)
70AQI (US)
80AQI (US)
82AQI (US)
78AQI (US)
53AQI (US)
70AQI (US)
72AQI (US)
49AQI (US)
41AQI (US)
46AQI (US)
26AQI (US)
14AQI (US)
30AQI (US)
41AQI (US)
56AQI (US)
37AQI (US)
51AQI (US)
29AQI (US)
21AQI (US)
13AQI (US)
17AQI (US)
23AQI (US)
25AQI (US)
16AQI (US)
21AQI (US)
13AQI (US)
22AQI (US)
21AQI (US)
25AQI (US)
20AQI (US)
24AQI (US)
22AQI (US)
25AQI (US)
12AQI (US)
10AQI (US)
25AQI (US)
26AQI (US)
34AQI (US)
36AQI (US)
37AQI (US)
32AQI (US)
25AQI (US)
21AQI (US)
22AQI (US)
14AQI (US)
14AQI (US)
13AQI (US)
8AQI (US)
21AQI (US)
24AQI (US)
32AQI (US)
18AQI (US)
23AQI (US)
31AQI (US)
22AQI (US)
22AQI (US)
21AQI (US)
24AQI (US)
26AQI (US)
32AQI (US)
54AQI (US)
58AQI (US)
51AQI (US)
38AQI (US)
36AQI (US)
32AQI (US)
36AQI (US)
28AQI (US)
28AQI (US)
34AQI (US)
31AQI (US)
32AQI (US)
34AQI (US)
31AQI (US)
34AQI (US)
30AQI (US)
34AQI (US)
34AQI (US)
32AQI (US)
31AQI (US)
37AQI (US)
38AQI (US)
36AQI (US)
33AQI (US)
37AQI (US)
35AQI (US)
32AQI (US)
35AQI (US)
32AQI (US)
35AQI (US)
62AQI (US)
73AQI (US)
86AQI (US)
106AQI (US)
51AQI (US)
26AQI (US)
29AQI (US)
34AQI (US)
No. of days
202660AQI (US)
Highest AQI (US) recorded in
April106AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202570AQI (US)
Highest AQI (US) recorded in
March127AQI (US)
Lowest AQI (US) recorded in
September40AQI (US)
202465AQI (US)
Highest AQI (US) recorded in
March167AQI (US)
Lowest AQI (US) recorded in
August21AQI (US)
2023107AQI (US)
Highest AQI (US) recorded in
March210AQI (US)
Lowest AQI (US) recorded in
July35AQI (US)
202295AQI (US)
Highest AQI (US) recorded in
December109AQI (US)
Lowest AQI (US) recorded in
November81AQI (US)
Most & Least Polluted Years Over the Last 5 Years
Mae Sai district's annual 2026 AQI (US) (60) shows an average percentage change of -25.6% (improved AQI (US)) compared to previous years: 2022 (95), 2023 (107), 2024 (65), 2025 (70).