Chong Kham, Mae Hong Son, Mae Hong Son, 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
Chong Kham, Mae Hong Son, Mae Hong Son, Thailand
AQI Trends: Highest and Lowest
Same Day Analysis (29th August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 55 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 30th Aug - 31st Aug 2025
Chong Kham, Mae Hong Son, Mae Hong Son, Thailand
5 AM30th Aug 2025
6 PM
4 AM31st Aug 2025
AQI
AQI
58AQI
41AQI
In the last 24 hours,
Chong Kham's AQI reached its highest point of 58 at 10 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 30th Aug and 31st Aug 2025.
Day & Night AQI Trend : Aug 2025
Chong Kham, Mae Hong Son, Mae Hong Son, Thailand
24°C19/32°C
23°C19/28°C
25°C19/31°C
26°C23/33°C
26°C22/33°C
23°C22/25°C
22°C19/24°C
22°C19/26°C
24°C19/31°C
25°C20/33°C
25°C19/34°C
24°C20/31°C
23°C19/32°C
23°C20/27°C
23°C19/29°C
23°C19/27°C
22°C19/27°C
23°C18/30°C
24°C19/31°C
25°C19/33°C
24°C19/31°C
24°C19/33°C
23°C19/31°C
23°C19/30°C
24°C19/34°C
23°C19/31°C
21°C19/23°C
20°C17/22°C
23°C18/30°C
--°C/°C
--°C/°C
52AQI
43AQI
52AQI
50AQI
2025 Days Vs Air Quality
Chong Kham, Mae Hong Son, Mae Hong Son, Thailand
31%
75
44%
105
22%
52
4%
9
Total number of days with different AQI categories in last 242 days in 2025 (123 days remaining)
Under WHO’s Safe Air Quality Limits: 31%
Health Risk Level:
High
In 2025, 31% of 242 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
Chong Kham, Mae Hong Son, Mae Hong Son, Thailand
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
75AQI
72AQI
73AQI
84AQI
89AQI
93AQI
98AQI
105AQI
96AQI
93AQI
87AQI
87AQI
96AQI
93AQI
94AQI
85AQI
86AQI
81AQI
85AQI
92AQI
94AQI
94AQI
98AQI
104AQI
109AQI
102AQI
93AQI
96AQI
95AQI
106AQI
101AQI
103AQI
101AQI
106AQI
101AQI
109AQI
108AQI
105AQI
100AQI
96AQI
97AQI
102AQI
103AQI
104AQI
108AQI
105AQI
126AQI
120AQI
111AQI
106AQI
98AQI
97AQI
99AQI
91AQI
80AQI
69AQI
67AQI
69AQI
76AQI
79AQI
81AQI
97AQI
116AQI
127AQI
117AQI
112AQI
103AQI
104AQI
92AQI
101AQI
102AQI
104AQI
116AQI
131AQI
126AQI
144AQI
127AQI
129AQI
126AQI
135AQI
152AQI
162AQI
164AQI
166AQI
160AQI
158AQI
160AQI
155AQI
154AQI
145AQI
144AQI
141AQI
137AQI
146AQI
144AQI
144AQI
125AQI
103AQI
118AQI
123AQI
118AQI
75AQI
83AQI
61AQI
61AQI
63AQI
59AQI
56AQI
64AQI
75AQI
82AQI
87AQI
87AQI
94AQI
94AQI
103AQI
96AQI
80AQI
66AQI
65AQI
57AQI
66AQI
65AQI
65AQI
66AQI
81AQI
86AQI
85AQI
88AQI
89AQI
84AQI
72AQI
66AQI
60AQI
53AQI
54AQI
55AQI
53AQI
52AQI
55AQI
55AQI
55AQI
52AQI
51AQI
51AQI
43AQI
42AQI
40AQI
38AQI
42AQI
46AQI
41AQI
39AQI
44AQI
56AQI
56AQI
57AQI
54AQI
47AQI
48AQI
44AQI
45AQI
46AQI
52AQI
51AQI
47AQI
45AQI
47AQI
45AQI
45AQI
45AQI
46AQI
51AQI
45AQI
42AQI
41AQI
44AQI
45AQI
44AQI
45AQI
42AQI
45AQI
45AQI
46AQI
46AQI
46AQI
44AQI
46AQI
48AQI
50AQI
51AQI
46AQI
49AQI
49AQI
48AQI
46AQI
47AQI
44AQI
42AQI
39AQI
37AQI
35AQI
35AQI
37AQI
39AQI
42AQI
46AQI
44AQI
42AQI
43AQI
46AQI
52AQI
57AQI
58AQI
57AQI
57AQI
54AQI
51AQI
43AQI
35AQI
32AQI
29AQI
37AQI
50AQI
49AQI
48AQI
47AQI
50AQI
46AQI
49AQI
49AQI
50AQI
53AQI
54AQI
52AQI
51AQI
53AQI
50AQI
50AQI
50AQI
55AQI
92AQI
98AQI
127AQI
96AQI
60AQI
47AQI
44AQI
49AQI
No. of days
202577AQI
Highest AQI recorded in
March127AQI
Lowest AQI recorded in
July44AQI
202471AQI
Highest AQI recorded in
March317AQI
Lowest AQI recorded in
August34AQI
2023132AQI
Highest AQI recorded in
March254AQI
Lowest AQI recorded in
June33AQI
202267AQI
Highest AQI recorded in
December77AQI
Lowest AQI recorded in
November56AQI
Most & Least Polluted Years Over the Last 4 Years
Chong Kham's annual 2025 AQI (77) shows an average percentage change of -6.06% (improved AQI) compared to previous years: 2022 (67), 2023 (132), 2024 (71).