Bumrung Rat Road Soi 2, 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
Bumrung Rat Road Soi 2, Chiang Mai, Chiang Mai, Thailand
AQI Trends: Highest and Lowest
Same Day Analysis (5th 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: 5th Sep - 6th Sep 2025
Bumrung Rat Road Soi 2, Chiang Mai, Chiang Mai, Thailand
6 AM5th Sep 2025
6 PM
5 AM6th Sep 2025
AQI
AQI
65AQI
44AQI
In the last 24 hours,
Bumrung Rat Road Soi 2's AQI reached its highest point of 65 at 9 PM during the Night, while the lowest point, 44, was recorded at 5 PM during the Night between 5th Sep and 6th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Bumrung Rat Road Soi 2, Chiang Mai, Chiang Mai, Thailand
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
--°C/°C
53AQI
46AQI
55AQI
51AQI
2025 Days Vs Air Quality
Bumrung Rat Road Soi 2, Chiang Mai, Chiang Mai, Thailand
13%
31
65%
162
19%
48
3%
7
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
Bumrung Rat Road Soi 2, Chiang Mai, Chiang Mai, Thailand
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
92AQI
91AQI
86AQI
91AQI
98AQI
106AQI
113AQI
113AQI
128AQI
113AQI
96AQI
89AQI
93AQI
97AQI
95AQI
89AQI
90AQI
87AQI
89AQI
102AQI
115AQI
112AQI
117AQI
108AQI
96AQI
95AQI
103AQI
85AQI
104AQI
120AQI
94AQI
95AQI
91AQI
102AQI
114AQI
115AQI
104AQI
109AQI
116AQI
99AQI
93AQI
102AQI
96AQI
93AQI
90AQI
93AQI
117AQI
115AQI
115AQI
111AQI
107AQI
100AQI
100AQI
95AQI
82AQI
80AQI
70AQI
72AQI
75AQI
76AQI
77AQI
95AQI
109AQI
133AQI
117AQI
124AQI
103AQI
96AQI
87AQI
94AQI
94AQI
86AQI
97AQI
125AQI
131AQI
143AQI
131AQI
124AQI
100AQI
130AQI
143AQI
156AQI
154AQI
149AQI
138AQI
151AQI
156AQI
160AQI
162AQI
152AQI
139AQI
136AQI
132AQI
123AQI
116AQI
105AQI
90AQI
85AQI
91AQI
108AQI
94AQI
86AQI
79AQI
73AQI
71AQI
70AQI
69AQI
67AQI
67AQI
71AQI
73AQI
80AQI
82AQI
97AQI
107AQI
104AQI
98AQI
87AQI
81AQI
73AQI
71AQI
64AQI
60AQI
63AQI
60AQI
71AQI
69AQI
74AQI
82AQI
85AQI
83AQI
70AQI
63AQI
58AQI
47AQI
46AQI
46AQI
44AQI
48AQI
53AQI
53AQI
54AQI
50AQI
44AQI
42AQI
40AQI
43AQI
35AQI
38AQI
40AQI
40AQI
35AQI
35AQI
54AQI
67AQI
66AQI
67AQI
61AQI
57AQI
57AQI
47AQI
40AQI
41AQI
39AQI
39AQI
38AQI
35AQI
42AQI
52AQI
53AQI
55AQI
56AQI
52AQI
54AQI
58AQI
59AQI
62AQI
62AQI
62AQI
63AQI
67AQI
69AQI
65AQI
64AQI
64AQI
67AQI
63AQI
61AQI
63AQI
64AQI
65AQI
65AQI
62AQI
61AQI
60AQI
59AQI
60AQI
59AQI
57AQI
55AQI
55AQI
56AQI
57AQI
56AQI
56AQI
56AQI
62AQI
60AQI
59AQI
58AQI
59AQI
61AQI
57AQI
58AQI
57AQI
57AQI
55AQI
53AQI
51AQI
48AQI
52AQI
46AQI
45AQI
50AQI
51AQI
53AQI
48AQI
51AQI
48AQI
52AQI
50AQI
55AQI
56AQI
56AQI
53AQI
53AQI
54AQI
52AQI
51AQI
51AQI
55AQI
55AQI
53AQI
54AQI
55AQI
58AQI
51AQI
55AQI
100AQI
98AQI
122AQI
92AQI
56AQI
53AQI
61AQI
52AQI
55AQI
No. of days
202579AQI
Highest AQI recorded in
March122AQI
Lowest AQI recorded in
August52AQI
2024116AQI
Highest AQI recorded in
March198AQI
Lowest AQI recorded in
June48AQI
2023143AQI
Highest AQI recorded in
December186AQI
Lowest AQI recorded in
January100AQI
202280AQI
Highest AQI recorded in
December90AQI
Lowest AQI recorded in
November71AQI
Most & Least Polluted Years Over the Last 4 Years
Bumrung Rat Road Soi 2's annual 2025 AQI (79) shows an average percentage change of -26.2% (improved AQI) compared to previous years: 2022 (80), 2023 (143), 2024 (116).