Hua Hin Thammasat, Hua Hin, Prachuap Khiri Khan, Thailand Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Hua Hin Thammasat, Hua Hin, Prachuap Khiri Khan, Thailand
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 51 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Oct - 4th Oct 2025
Hua Hin Thammasat, Hua Hin, Prachuap Khiri Khan, Thailand
6 AM3rd Oct 2025
6 PM
5 AM4th Oct 2025
AQI
AQI
57AQI
38AQI
In the last 24 hours,
Hua Hin Thammasat's AQI reached its highest point of 57 at 9 PM during the Night, while the lowest point, 38, was recorded at 1 PM during the Night between 3rd Oct and 4th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Hua Hin Thammasat, Hua Hin, Prachuap Khiri Khan, Thailand
27°C26/29°C
28°C25/31°C
27°C26/31°C
27°C26/29°C
26°C25/27°C
27°C25/30°C
27°C25/30°C
27°C25/31°C
27°C25/31°C
28°C26/31°C
28°C26/29°C
27°C25/29°C
28°C26/31°C
28°C26/32°C
28°C26/30°C
27°C26/29°C
28°C26/31°C
29°C26/32°C
28°C26/32°C
28°C26/30°C
27°C27/29°C
27°C26/28°C
26°C25/27°C
26°C25/28°C
27°C26/29°C
28°C26/31°C
27°C26/31°C
27°C25/30°C
27°C24/30°C
--°C/°C
--°C/°C
44AQI
34AQI
46AQI
38AQI
2025 Days Vs Air Quality
Hua Hin Thammasat, Hua Hin, Prachuap Khiri Khan, Thailand
46%
128
41%
112
13%
36
Total number of days with different AQI categories in last 276 days in 2025 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 46%
Health Risk Level:
Significant
In 2025, 46% of 276 days were within WHO’s safe air quality limits, and 54% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Hua Hin Thammasat, Hua Hin, Prachuap Khiri Khan, Thailand
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
81AQI
81AQI
86AQI
93AQI
96AQI
101AQI
116AQI
129AQI
124AQI
95AQI
85AQI
86AQI
101AQI
101AQI
99AQI
79AQI
88AQI
104AQI
115AQI
122AQI
136AQI
137AQI
147AQI
144AQI
130AQI
111AQI
99AQI
94AQI
101AQI
119AQI
114AQI
116AQI
117AQI
104AQI
110AQI
112AQI
100AQI
109AQI
116AQI
96AQI
97AQI
114AQI
127AQI
121AQI
113AQI
124AQI
90AQI
88AQI
74AQI
82AQI
82AQI
85AQI
88AQI
88AQI
70AQI
73AQI
75AQI
93AQI
82AQI
80AQI
71AQI
72AQI
67AQI
75AQI
71AQI
68AQI
74AQI
81AQI
93AQI
90AQI
72AQI
68AQI
70AQI
64AQI
78AQI
74AQI
77AQI
87AQI
104AQI
111AQI
122AQI
136AQI
129AQI
115AQI
96AQI
93AQI
96AQI
89AQI
86AQI
75AQI
78AQI
72AQI
58AQI
58AQI
53AQI
57AQI
54AQI
57AQI
56AQI
65AQI
67AQI
52AQI
47AQI
49AQI
49AQI
47AQI
49AQI
44AQI
40AQI
36AQI
42AQI
50AQI
53AQI
53AQI
56AQI
49AQI
50AQI
46AQI
44AQI
54AQI
58AQI
59AQI
50AQI
47AQI
50AQI
42AQI
41AQI
44AQI
43AQI
42AQI
44AQI
42AQI
38AQI
42AQI
42AQI
44AQI
46AQI
45AQI
48AQI
48AQI
42AQI
46AQI
36AQI
34AQI
32AQI
30AQI
33AQI
35AQI
34AQI
41AQI
48AQI
47AQI
45AQI
41AQI
43AQI
44AQI
43AQI
44AQI
30AQI
34AQI
40AQI
42AQI
32AQI
36AQI
46AQI
47AQI
44AQI
40AQI
42AQI
44AQI
44AQI
39AQI
36AQI
37AQI
41AQI
42AQI
47AQI
48AQI
49AQI
47AQI
45AQI
47AQI
43AQI
44AQI
44AQI
46AQI
48AQI
49AQI
52AQI
49AQI
50AQI
49AQI
51AQI
53AQI
53AQI
51AQI
46AQI
44AQI
43AQI
41AQI
42AQI
41AQI
41AQI
41AQI
47AQI
48AQI
52AQI
52AQI
52AQI
51AQI
49AQI
53AQI
54AQI
60AQI
55AQI
57AQI
57AQI
56AQI
51AQI
43AQI
38AQI
38AQI
46AQI
52AQI
48AQI
50AQI
50AQI
47AQI
50AQI
55AQI
54AQI
56AQI
55AQI
56AQI
55AQI
56AQI
55AQI
52AQI
53AQI
53AQI
54AQI
52AQI
52AQI
51AQI
51AQI
54AQI
40AQI
51AQI
51AQI
52AQI
49AQI
50AQI
50AQI
50AQI
50AQI
51AQI
48AQI
47AQI
48AQI
45AQI
33AQI
30AQI
29AQI
29AQI
33AQI
35AQI
31AQI
24AQI
15AQI
10AQI
9AQI
39AQI
46AQI
40AQI
44AQI
51AQI
107AQI
98AQI
87AQI
53AQI
43AQI
42AQI
47AQI
52AQI
40AQI
45AQI
No. of days
202563AQI
Highest AQI recorded in
January107AQI
Lowest AQI recorded in
September40AQI
202444AQI
Highest AQI recorded in
January92AQI
Lowest AQI recorded in
September4AQI
202361AQI
Highest AQI recorded in
April106AQI
Lowest AQI recorded in
July10AQI
202252AQI
Highest AQI recorded in
December62AQI
Lowest AQI recorded in
November42AQI
Most & Least Polluted Years Over the Last 4 Years
Hua Hin Thammasat's annual 2025 AQI (63) shows an average percentage change of 22.2% (worsened AQI) compared to previous years: 2022 (52), 2023 (61), 2024 (44).