Highway 1178, 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
Highway 1178, Ban Piang Luang, Chiang Mai, Thailand
AQI Trends: Highest and Lowest
Same Day Analysis (21st September ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 43 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Sep - 22nd Sep 2025
Highway 1178, Ban Piang Luang, Chiang Mai, Thailand
6 AM21st Sep 2025
6 PM
5 AM22nd Sep 2025
54AQI
26AQI
55AQI
29AQI
In the last 24 hours,
Highway 1178's AQI reached its highest point of 55 at 9 PM during the Night, while the lowest point, 26, was recorded at 2 PM during the Day between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Highway 1178, Ban Piang Luang, Chiang Mai, Thailand
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
23°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
22°C20/27°C
--°C/°C
52AQI
42AQI
54AQI
51AQI
2025 Days Vs Air Quality
Highway 1178, Ban Piang Luang, Chiang Mai, Thailand
39%
102
44%
115
16%
42
2%
5
Total number of days with different AQI categories in last 265 days in 2025 (100 days remaining)
Under WHO’s Safe Air Quality Limits: 39%
Health Risk Level:
High
In 2025, 39% of 265 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
Highway 1178, Ban Piang Luang, Chiang Mai, Thailand
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
83AQI
79AQI
83AQI
87AQI
86AQI
94AQI
85AQI
99AQI
91AQI
96AQI
86AQI
84AQI
92AQI
89AQI
91AQI
90AQI
90AQI
87AQI
84AQI
86AQI
94AQI
88AQI
85AQI
83AQI
88AQI
98AQI
85AQI
86AQI
97AQI
102AQI
99AQI
98AQI
97AQI
93AQI
99AQI
97AQI
103AQI
99AQI
97AQI
85AQI
95AQI
94AQI
94AQI
93AQI
98AQI
95AQI
109AQI
98AQI
97AQI
96AQI
97AQI
93AQI
104AQI
93AQI
80AQI
71AQI
65AQI
67AQI
76AQI
75AQI
79AQI
89AQI
107AQI
119AQI
111AQI
123AQI
117AQI
102AQI
94AQI
105AQI
104AQI
108AQI
106AQI
124AQI
123AQI
132AQI
116AQI
105AQI
96AQI
114AQI
117AQI
145AQI
127AQI
133AQI
116AQI
139AQI
155AQI
156AQI
160AQI
158AQI
152AQI
148AQI
140AQI
147AQI
141AQI
136AQI
109AQI
97AQI
125AQI
127AQI
124AQI
97AQI
88AQI
64AQI
65AQI
62AQI
62AQI
61AQI
62AQI
70AQI
72AQI
76AQI
88AQI
92AQI
104AQI
106AQI
107AQI
83AQI
75AQI
70AQI
61AQI
61AQI
57AQI
64AQI
69AQI
78AQI
102AQI
105AQI
97AQI
106AQI
103AQI
79AQI
68AQI
64AQI
45AQI
42AQI
46AQI
41AQI
45AQI
52AQI
59AQI
54AQI
50AQI
39AQI
42AQI
39AQI
47AQI
43AQI
43AQI
41AQI
44AQI
50AQI
42AQI
55AQI
63AQI
68AQI
62AQI
64AQI
61AQI
60AQI
51AQI
45AQI
41AQI
50AQI
45AQI
40AQI
38AQI
41AQI
38AQI
38AQI
41AQI
47AQI
52AQI
43AQI
39AQI
42AQI
44AQI
43AQI
44AQI
43AQI
47AQI
47AQI
48AQI
49AQI
45AQI
42AQI
45AQI
40AQI
42AQI
45AQI
48AQI
48AQI
48AQI
45AQI
45AQI
44AQI
42AQI
45AQI
43AQI
42AQI
42AQI
43AQI
46AQI
45AQI
42AQI
41AQI
45AQI
47AQI
43AQI
42AQI
45AQI
50AQI
52AQI
52AQI
50AQI
52AQI
51AQI
47AQI
45AQI
38AQI
42AQI
44AQI
52AQI
45AQI
46AQI
45AQI
43AQI
46AQI
45AQI
46AQI
46AQI
49AQI
50AQI
49AQI
47AQI
46AQI
48AQI
45AQI
45AQI
43AQI
48AQI
48AQI
48AQI
50AQI
50AQI
52AQI
54AQI
52AQI
51AQI
53AQI
55AQI
56AQI
52AQI
49AQI
51AQI
49AQI
47AQI
49AQI
50AQI
51AQI
57AQI
47AQI
42AQI
43AQI
89AQI
92AQI
118AQI
98AQI
61AQI
48AQI
45AQI
47AQI
50AQI
No. of days
202573AQI
Highest AQI recorded in
March118AQI
Lowest AQI recorded in
July45AQI
202455AQI
Highest AQI recorded in
April107AQI
Lowest AQI recorded in
October39AQI
2023121AQI
Highest AQI recorded in
March320AQI
Lowest AQI recorded in
January43AQI
202232AQI
Highest AQI recorded in
December36AQI
Lowest AQI recorded in
November29AQI
Most & Least Polluted Years Over the Last 4 Years
Highway 1178's annual 2025 AQI (73) shows an average percentage change of 39.09% (worsened AQI) compared to previous years: 2022 (32), 2023 (121), 2024 (55).