Rajamangala University Of Technology Lanna, 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
Rajamangala University Of Technology Lanna, 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
Rajamangala University Of Technology Lanna, Chiang Mai, Chiang Mai, Thailand
6 AM5th Sep 2025
6 PM
5 AM6th Sep 2025
61AQI
46AQI
66AQI
52AQI
In the last 24 hours,
Rajamangala University Of Technology Lanna's AQI reached its highest point of 66 at 9 PM during the Night, while the lowest point, 46, was recorded at 5 PM during the Day between 5th Sep and 6th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Rajamangala University Of Technology Lanna, 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
26°C21/33°C
24°C22/27°C
24°C22/28°C
25°C22/31°C
26°C22/32°C
26°C23/33°C
27°C22/33°C
--°C/°C
53AQI
47AQI
54AQI
52AQI
2025 Days Vs Air Quality
Rajamangala University Of Technology Lanna, Chiang Mai, Chiang Mai, Thailand
4%
11
69%
170
24%
59
3%
8
Total number of days with different AQI categories in last 249 days in 2025 (116 days remaining)
Under WHO’s Safe Air Quality Limits: 4%
Health Risk Level:
Extreme
In 2025, 4% of 249 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
Rajamangala University Of Technology Lanna, Chiang Mai, Chiang Mai, Thailand
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
93AQI
84AQI
87AQI
92AQI
99AQI
107AQI
113AQI
113AQI
129AQI
116AQI
95AQI
92AQI
93AQI
98AQI
96AQI
91AQI
90AQI
93AQI
92AQI
105AQI
116AQI
116AQI
119AQI
115AQI
101AQI
97AQI
104AQI
87AQI
105AQI
119AQI
97AQI
95AQI
93AQI
104AQI
116AQI
119AQI
111AQI
111AQI
117AQI
105AQI
96AQI
109AQI
102AQI
99AQI
97AQI
97AQI
122AQI
121AQI
119AQI
117AQI
114AQI
103AQI
107AQI
97AQI
85AQI
78AQI
72AQI
73AQI
77AQI
79AQI
78AQI
94AQI
110AQI
132AQI
116AQI
128AQI
112AQI
103AQI
93AQI
98AQI
104AQI
95AQI
103AQI
132AQI
132AQI
148AQI
134AQI
132AQI
106AQI
136AQI
145AQI
157AQI
157AQI
154AQI
142AQI
154AQI
158AQI
161AQI
162AQI
154AQI
145AQI
141AQI
134AQI
131AQI
120AQI
108AQI
94AQI
87AQI
97AQI
116AQI
101AQI
93AQI
80AQI
77AQI
73AQI
71AQI
71AQI
67AQI
69AQI
71AQI
77AQI
82AQI
88AQI
101AQI
110AQI
108AQI
103AQI
87AQI
79AQI
73AQI
70AQI
66AQI
63AQI
67AQI
61AQI
70AQI
73AQI
76AQI
83AQI
88AQI
87AQI
70AQI
62AQI
60AQI
53AQI
52AQI
54AQI
55AQI
54AQI
56AQI
58AQI
58AQI
56AQI
55AQI
54AQI
51AQI
52AQI
51AQI
51AQI
51AQI
51AQI
51AQI
48AQI
59AQI
68AQI
66AQI
67AQI
62AQI
61AQI
60AQI
56AQI
55AQI
54AQI
55AQI
55AQI
53AQI
51AQI
53AQI
54AQI
55AQI
56AQI
58AQI
59AQI
57AQI
58AQI
59AQI
60AQI
60AQI
61AQI
63AQI
66AQI
66AQI
65AQI
63AQI
64AQI
65AQI
63AQI
59AQI
61AQI
62AQI
63AQI
64AQI
60AQI
60AQI
59AQI
59AQI
60AQI
58AQI
56AQI
55AQI
54AQI
55AQI
60AQI
56AQI
58AQI
56AQI
61AQI
63AQI
61AQI
58AQI
61AQI
64AQI
58AQI
56AQI
56AQI
56AQI
54AQI
52AQI
45AQI
42AQI
48AQI
36AQI
42AQI
51AQI
50AQI
52AQI
48AQI
50AQI
50AQI
53AQI
51AQI
54AQI
57AQI
56AQI
52AQI
51AQI
53AQI
51AQI
51AQI
51AQI
52AQI
54AQI
52AQI
55AQI
55AQI
58AQI
50AQI
55AQI
102AQI
102AQI
126AQI
95AQI
62AQI
58AQI
60AQI
51AQI
55AQI
No. of days
202581AQI
Highest AQI recorded in
March126AQI
Lowest AQI recorded in
August51AQI
202467AQI
Highest AQI recorded in
April206AQI
Lowest AQI recorded in
September33AQI
202390AQI
Highest AQI recorded in
November98AQI
Lowest AQI recorded in
December89AQI
2021160AQI
Highest AQI recorded in
March171AQI
Lowest AQI recorded in
January155AQI
202072AQI
Highest AQI recorded in
March189AQI
Lowest AQI recorded in
June32AQI
Most & Least Polluted Years Over the Last 5 Years
Rajamangala University Of Technology Lanna's annual 2025 AQI (81) shows an average percentage change of -6.4% (improved AQI) compared to previous years: 2020 (72), 2021 (160), 2023 (90), 2024 (67).