Pa Daet, Chiang Mai, Chiang Mai, Thailand Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Pa Daet, Chiang Mai, Chiang Mai, Thailand
AQI Trends: Highest and Lowest
Same Day Analysis (3rd September ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 57 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Sep - 5th Sep 2025
Pa Daet, Chiang Mai, Chiang Mai, Thailand
6 AM4th Sep 2025
6 PM
5 AM5th Sep 2025
68AQI
44AQI
57AQI
26AQI
In the last 24 hours,
Pa Daet's AQI reached its highest point of 68 at 7 AM during the Day, while the lowest point, 26, was recorded at 8 PM during the Night between 4th Sep and 5th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Pa Daet, Chiang Mai, Chiang Mai, Thailand
25°C23/29°C
24°C22/28°C
25°C22/31°C
26°C23/31°C
27°C22/32°C
27°C22/32°C
27°C23/32°C
26°C22/32°C
25°C23/30°C
25°C22/29°C
25°C22/29°C
25°C23/28°C
25°C21/30°C
26°C21/31°C
26°C22/31°C
26°C22/32°C
26°C22/32°C
25°C23/30°C
25°C22/32°C
26°C22/33°C
23°C22/24°C
22°C22/23°C
22°C21/26°C
25°C20/31°C
25°C21/33°C
24°C22/27°C
24°C22/28°C
25°C22/31°C
26°C22/32°C
26°C23/33°C
--°C/°C
53AQI
46AQI
53AQI
53AQI
2025 Days Vs Air Quality
Pa Daet, Chiang Mai, Chiang Mai, Thailand
13%
32
64%
158
20%
50
2%
6
Total number of days with different AQI categories in last 248 days in 2025 (117 days remaining)
Under WHO’s Safe Air Quality Limits: 13%
Health Risk Level:
Extreme
In 2025, 13% of 248 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
Pa Daet, Chiang Mai, Chiang Mai, Thailand
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
90AQI
89AQI
87AQI
94AQI
98AQI
105AQI
113AQI
114AQI
128AQI
112AQI
94AQI
90AQI
93AQI
98AQI
96AQI
89AQI
89AQI
88AQI
90AQI
104AQI
116AQI
114AQI
117AQI
109AQI
94AQI
95AQI
102AQI
84AQI
105AQI
118AQI
94AQI
95AQI
90AQI
101AQI
114AQI
116AQI
106AQI
109AQI
114AQI
99AQI
92AQI
103AQI
100AQI
95AQI
94AQI
95AQI
120AQI
117AQI
119AQI
113AQI
109AQI
101AQI
100AQI
94AQI
82AQI
77AQI
71AQI
72AQI
76AQI
77AQI
79AQI
96AQI
110AQI
132AQI
116AQI
125AQI
105AQI
97AQI
88AQI
94AQI
96AQI
86AQI
97AQI
126AQI
130AQI
149AQI
133AQI
125AQI
99AQI
132AQI
144AQI
156AQI
155AQI
149AQI
136AQI
149AQI
156AQI
160AQI
161AQI
151AQI
138AQI
134AQI
131AQI
122AQI
115AQI
105AQI
91AQI
84AQI
90AQI
107AQI
94AQI
85AQI
80AQI
74AQI
71AQI
70AQI
70AQI
67AQI
67AQI
70AQI
73AQI
79AQI
81AQI
97AQI
106AQI
104AQI
97AQI
86AQI
81AQI
73AQI
72AQI
66AQI
64AQI
67AQI
64AQI
75AQI
71AQI
75AQI
84AQI
85AQI
82AQI
71AQI
64AQI
59AQI
46AQI
46AQI
47AQI
44AQI
49AQI
53AQI
53AQI
54AQI
51AQI
43AQI
43AQI
42AQI
47AQI
38AQI
41AQI
41AQI
44AQI
38AQI
38AQI
54AQI
67AQI
67AQI
70AQI
62AQI
56AQI
58AQI
50AQI
42AQI
42AQI
42AQI
43AQI
38AQI
34AQI
44AQI
52AQI
54AQI
56AQI
56AQI
51AQI
54AQI
58AQI
59AQI
61AQI
62AQI
62AQI
64AQI
67AQI
69AQI
65AQI
64AQI
63AQI
66AQI
64AQI
61AQI
63AQI
64AQI
65AQI
64AQI
62AQI
61AQI
60AQI
60AQI
60AQI
59AQI
57AQI
55AQI
54AQI
56AQI
57AQI
55AQI
56AQI
55AQI
59AQI
60AQI
59AQI
59AQI
59AQI
61AQI
57AQI
58AQI
57AQI
57AQI
55AQI
53AQI
51AQI
49AQI
53AQI
49AQI
47AQI
49AQI
50AQI
53AQI
48AQI
52AQI
47AQI
51AQI
50AQI
55AQI
56AQI
56AQI
53AQI
53AQI
54AQI
52AQI
51AQI
50AQI
54AQI
55AQI
53AQI
54AQI
55AQI
57AQI
100AQI
99AQI
123AQI
91AQI
57AQI
53AQI
60AQI
53AQI
55AQI
No. of days
202579AQI
Highest AQI recorded in
March123AQI
Lowest AQI recorded in
August53AQI
202479AQI
Highest AQI recorded in
April147AQI
Lowest AQI recorded in
June36AQI
2023104AQI
Highest AQI recorded in
April179AQI
Lowest AQI recorded in
July33AQI
202296AQI
Highest AQI recorded in
December107AQI
Lowest AQI recorded in
October85AQI
Most & Least Polluted Years Over the Last 4 Years
Pa Daet's annual 2025 AQI (79) shows an average percentage change of -13.6% (improved AQI) compared to previous years: 2022 (96), 2023 (104), 2024 (79).