Chai Prakan, Ban Piang Luang, 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
Chai Prakan, Ban Piang Luang, Chiang Mai, Thailand
AQI Trends: Highest and Lowest
Same Day Analysis (20th September ):
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: 20th Sep - 21st Sep 2025
Chai Prakan, Ban Piang Luang, Chiang Mai, Thailand
6 AM20th Sep 2025
6 PM
5 AM21st Sep 2025
61AQI
51AQI
56AQI
51AQI
In the last 24 hours,
Chai Prakan's AQI reached its highest point of 61 at 6 PM during the Day, while the lowest point, 51, was recorded at 5 AM during the Night between 20th Sep and 21st Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Chai Prakan, Ban Piang Luang, Chiang Mai, Thailand
22°C19/28°C
21°C20/25°C
22°C19/28°C
24°C19/30°C
22°C19/26°C
20°C19/22°C
21°C19/24°C
22°C18/29°C
22°C18/29°C
21°C20/26°C
22°C20/25°C
22°C19/27°C
23°C19/29°C
23°C19/31°C
24°C19/31°C
24°C20/32°C
24°C19/31°C
23°C19/30°C
23°C19/29°C
22°C19/27°C
22°C21/24°C
22°C20/27°C
23°C20/30°C
22°C19/27°C
23°C19/29°C
23°C18/29°C
23°C18/30°C
23°C19/30°C
23°C19/27°C
22°C19/28°C
--°C/°C
52AQI
45AQI
54AQI
53AQI
2025 Days Vs Air Quality
Chai Prakan, Ban Piang Luang, Chiang Mai, Thailand
29%
75
42%
111
25%
65
5%
12
Total number of days with different AQI categories in last 264 days in 2025 (101 days remaining)
Under WHO’s Safe Air Quality Limits: 29%
Health Risk Level:
Very high
In 2025, 29% of 264 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
Chai Prakan, Ban Piang Luang, Chiang Mai, Thailand
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
85AQI
78AQI
84AQI
90AQI
96AQI
109AQI
101AQI
110AQI
122AQI
112AQI
106AQI
90AQI
96AQI
96AQI
100AQI
97AQI
92AQI
91AQI
93AQI
103AQI
110AQI
112AQI
115AQI
111AQI
105AQI
102AQI
86AQI
89AQI
100AQI
113AQI
102AQI
99AQI
100AQI
103AQI
112AQI
113AQI
110AQI
109AQI
107AQI
96AQI
103AQI
107AQI
113AQI
108AQI
106AQI
101AQI
123AQI
127AQI
123AQI
113AQI
115AQI
100AQI
105AQI
93AQI
78AQI
70AQI
64AQI
67AQI
74AQI
72AQI
80AQI
98AQI
111AQI
129AQI
121AQI
132AQI
116AQI
107AQI
98AQI
103AQI
104AQI
102AQI
109AQI
132AQI
126AQI
144AQI
131AQI
109AQI
100AQI
118AQI
138AQI
150AQI
154AQI
157AQI
153AQI
153AQI
163AQI
163AQI
165AQI
158AQI
154AQI
150AQI
151AQI
152AQI
151AQI
142AQI
113AQI
107AQI
133AQI
130AQI
129AQI
100AQI
84AQI
62AQI
61AQI
59AQI
58AQI
57AQI
60AQI
62AQI
68AQI
82AQI
91AQI
101AQI
108AQI
111AQI
110AQI
82AQI
75AQI
69AQI
69AQI
77AQI
75AQI
77AQI
79AQI
89AQI
99AQI
98AQI
102AQI
109AQI
109AQI
89AQI
78AQI
80AQI
67AQI
66AQI
68AQI
67AQI
64AQI
68AQI
71AQI
74AQI
68AQI
65AQI
63AQI
64AQI
63AQI
60AQI
59AQI
61AQI
65AQI
65AQI
63AQI
69AQI
75AQI
80AQI
79AQI
84AQI
83AQI
82AQI
70AQI
65AQI
62AQI
61AQI
64AQI
60AQI
57AQI
52AQI
38AQI
37AQI
42AQI
44AQI
46AQI
39AQI
40AQI
42AQI
44AQI
41AQI
43AQI
41AQI
46AQI
47AQI
46AQI
50AQI
45AQI
43AQI
43AQI
39AQI
42AQI
47AQI
46AQI
46AQI
46AQI
42AQI
43AQI
44AQI
41AQI
43AQI
39AQI
39AQI
40AQI
42AQI
44AQI
42AQI
38AQI
38AQI
43AQI
46AQI
41AQI
38AQI
43AQI
50AQI
54AQI
54AQI
52AQI
54AQI
52AQI
47AQI
46AQI
42AQI
42AQI
45AQI
47AQI
45AQI
48AQI
47AQI
46AQI
48AQI
46AQI
49AQI
48AQI
52AQI
50AQI
50AQI
48AQI
47AQI
49AQI
46AQI
46AQI
44AQI
48AQI
49AQI
48AQI
49AQI
51AQI
52AQI
57AQI
52AQI
52AQI
54AQI
56AQI
55AQI
51AQI
48AQI
50AQI
49AQI
47AQI
50AQI
51AQI
52AQI
61AQI
59AQI
55AQI
100AQI
101AQI
126AQI
100AQI
76AQI
57AQI
43AQI
48AQI
53AQI
No. of days
202579AQI
Highest AQI recorded in
March126AQI
Lowest AQI recorded in
July43AQI
202448AQI
Highest AQI recorded in
April106AQI
Lowest AQI recorded in
July10AQI
202379AQI
Highest AQI recorded in
March168AQI
Lowest AQI recorded in
August9AQI
202254AQI
Highest AQI recorded in
December67AQI
Lowest AQI recorded in
October41AQI
Most & Least Polluted Years Over the Last 4 Years
Chai Prakan's annual 2025 AQI (79) shows an average percentage change of 37.2% (worsened AQI) compared to previous years: 2022 (54), 2023 (79), 2024 (48).