Mae Nachon Sub district Health Promoting Hospital , Ban Mae Kha Tai, Chiang Mai, Thailand Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Mae Nachon Sub district Health Promoting Hospital , Ban Mae Kha Tai, Chiang Mai, Thailand
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 49 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Mae Nachon Sub district Health Promoting Hospital , Ban Mae Kha Tai, Chiang Mai, Thailand
6 AM4th Oct 2025
6 PM
5 AM5th Oct 2025
AQI
AQI
64AQI
38AQI
In the last 24 hours,
Mae Nachon Sub district Health Promoting Hospital 's AQI reached its highest point of 64 at 10 PM during the Night, while the lowest point, 38, was recorded at 8 AM during the Night between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Mae Nachon Sub district Health Promoting Hospital , Ban Mae Kha Tai, Chiang Mai, Thailand
22°C17/30°C
22°C18/29°C
22°C18/29°C
22°C17/30°C
22°C17/28°C
21°C17/25°C
21°C18/26°C
22°C17/28°C
22°C18/30°C
21°C17/28°C
22°C17/31°C
22°C17/29°C
22°C17/32°C
22°C16/28°C
22°C17/30°C
22°C17/29°C
22°C18/28°C
21°C18/25°C
22°C17/27°C
22°C17/27°C
21°C17/26°C
23°C18/27°C
21°C17/26°C
22°C16/31°C
23°C17/32°C
22°C18/26°C
21°C17/25°C
21°C17/29°C
22°C17/31°C
--°C/°C
--°C/°C
48AQI
40AQI
48AQI
43AQI
2025 Days Vs Air Quality
Mae Nachon Sub district Health Promoting Hospital , Ban Mae Kha Tai, Chiang Mai, Thailand
23%
64
55%
153
20%
54
2%
5
Total number of days with different AQI categories in last 277 days in 2025 (88 days remaining)
Under WHO’s Safe Air Quality Limits: 23%
Health Risk Level:
Very high
In 2025, 23% of 277 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
Mae Nachon Sub district Health Promoting Hospital , Ban Mae Kha Tai, Chiang Mai, Thailand
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
97AQI
76AQI
81AQI
91AQI
90AQI
99AQI
95AQI
100AQI
97AQI
98AQI
94AQI
90AQI
98AQI
95AQI
97AQI
87AQI
87AQI
89AQI
92AQI
99AQI
99AQI
94AQI
96AQI
98AQI
96AQI
92AQI
92AQI
92AQI
99AQI
103AQI
101AQI
95AQI
96AQI
99AQI
102AQI
105AQI
108AQI
108AQI
107AQI
92AQI
96AQI
103AQI
101AQI
98AQI
108AQI
113AQI
112AQI
115AQI
112AQI
109AQI
111AQI
101AQI
105AQI
96AQI
80AQI
72AQI
69AQI
69AQI
75AQI
81AQI
84AQI
91AQI
103AQI
119AQI
110AQI
115AQI
109AQI
100AQI
91AQI
101AQI
100AQI
99AQI
103AQI
124AQI
124AQI
137AQI
119AQI
117AQI
109AQI
127AQI
131AQI
151AQI
140AQI
147AQI
139AQI
147AQI
160AQI
159AQI
160AQI
155AQI
150AQI
148AQI
142AQI
141AQI
136AQI
126AQI
106AQI
94AQI
111AQI
121AQI
117AQI
95AQI
91AQI
67AQI
67AQI
64AQI
66AQI
62AQI
63AQI
69AQI
71AQI
78AQI
88AQI
96AQI
104AQI
108AQI
104AQI
82AQI
75AQI
69AQI
65AQI
75AQI
76AQI
71AQI
69AQI
78AQI
102AQI
96AQI
106AQI
107AQI
104AQI
77AQI
64AQI
60AQI
59AQI
59AQI
64AQI
66AQI
59AQI
61AQI
68AQI
74AQI
63AQI
59AQI
59AQI
56AQI
58AQI
56AQI
54AQI
55AQI
57AQI
53AQI
58AQI
66AQI
79AQI
73AQI
72AQI
67AQI
64AQI
72AQI
60AQI
56AQI
58AQI
60AQI
59AQI
59AQI
58AQI
55AQI
47AQI
50AQI
49AQI
52AQI
52AQI
50AQI
49AQI
49AQI
51AQI
50AQI
50AQI
49AQI
50AQI
55AQI
56AQI
56AQI
53AQI
51AQI
53AQI
49AQI
51AQI
53AQI
51AQI
48AQI
51AQI
50AQI
50AQI
49AQI
45AQI
46AQI
47AQI
44AQI
43AQI
43AQI
47AQI
49AQI
48AQI
45AQI
50AQI
51AQI
49AQI
48AQI
52AQI
54AQI
54AQI
54AQI
54AQI
55AQI
54AQI
50AQI
47AQI
35AQI
32AQI
35AQI
39AQI
44AQI
47AQI
45AQI
43AQI
47AQI
47AQI
50AQI
49AQI
54AQI
52AQI
52AQI
50AQI
49AQI
51AQI
49AQI
49AQI
48AQI
49AQI
51AQI
51AQI
52AQI
53AQI
56AQI
43AQI
55AQI
54AQI
56AQI
57AQI
60AQI
55AQI
55AQI
55AQI
54AQI
53AQI
52AQI
48AQI
52AQI
53AQI
55AQI
47AQI
36AQI
40AQI
32AQI
23AQI
21AQI
23AQI
18AQI
21AQI
44AQI
37AQI
40AQI
48AQI
49AQI
94AQI
98AQI
121AQI
97AQI
70AQI
57AQI
50AQI
48AQI
45AQI
46AQI
No. of days
202575AQI
Highest AQI recorded in
March121AQI
Lowest AQI recorded in
September45AQI
202456AQI
Highest AQI recorded in
April145AQI
Lowest AQI recorded in
September35AQI
202364AQI
Highest AQI recorded in
November154AQI
Lowest AQI recorded in
December56AQI
202275AQI
Highest AQI recorded in
March129AQI
Lowest AQI recorded in
July25AQI
Most & Least Polluted Years Over the Last 4 Years
Mae Nachon Sub district Health Promoting Hospital 's annual 2025 AQI (75) shows an average percentage change of 17.4% (worsened AQI) compared to previous years: 2022 (75), 2023 (64), 2024 (56).