Myeongseo Dong, Changwon, Gyeongnam, South Korea 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
Myeongseo Dong, Changwon, Gyeongnam, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (20th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 36 of Good air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Sep - 21st Sep 2025
Myeongseo Dong, Changwon, Gyeongnam, South Korea
6 AM20th Sep 2025
6 PM
5 AM21st Sep 2025
38AQI
16AQI
38AQI
22AQI
In the last 24 hours,
Myeongseo Dong's AQI reached its highest point of 38 at 7 AM during the Day, while the lowest point, 16, was recorded at 6 PM during the Day between 20th Sep and 21st Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Myeongseo Dong, Changwon, Gyeongnam, South Korea
28°C24/34°C
29°C24/35°C
29°C24/35°C
28°C24/34°C
28°C24/34°C
27°C23/33°C
27°C23/32°C
28°C24/34°C
29°C24/35°C
27°C24/31°C
27°C24/32°C
28°C24/34°C
26°C22/33°C
26°C22/33°C
26°C22/31°C
27°C23/32°C
27°C24/32°C
26°C23/30°C
22°C20/27°C
23°C20/27°C
23°C18/28°C
23°C20/27°C
25°C22/29°C
25°C22/29°C
26°C23/32°C
26°C23/32°C
27°C23/32°C
22°C20/26°C
22°C20/25°C
22°C20/26°C
--°C/°C
45AQI
42AQI
44AQI
42AQI
2025 Days Vs Air Quality
Myeongseo Dong, Changwon, Gyeongnam, South Korea
44%
116
54%
143
2%
4
Total number of days with different AQI categories in last 264 days in 2025 (101 days remaining)
Under WHO’s Safe Air Quality Limits: 44%
Health Risk Level:
Significant
In 2025, 44% of 264 days were within WHO’s safe air quality limits, and 56% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Myeongseo Dong, Changwon, Gyeongnam, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
49AQI
58AQI
47AQI
49AQI
57AQI
78AQI
44AQI
55AQI
37AQI
42AQI
44AQI
55AQI
65AQI
79AQI
48AQI
58AQI
66AQI
77AQI
78AQI
93AQI
108AQI
116AQI
107AQI
89AQI
61AQI
53AQI
54AQI
41AQI
42AQI
50AQI
56AQI
52AQI
57AQI
50AQI
43AQI
41AQI
39AQI
45AQI
33AQI
38AQI
40AQI
58AQI
58AQI
43AQI
62AQI
50AQI
77AQI
57AQI
48AQI
43AQI
43AQI
40AQI
46AQI
45AQI
45AQI
50AQI
76AQI
65AQI
69AQI
75AQI
70AQI
49AQI
44AQI
38AQI
40AQI
51AQI
50AQI
64AQI
61AQI
75AQI
72AQI
62AQI
55AQI
39AQI
48AQI
54AQI
57AQI
71AQI
70AQI
78AQI
81AQI
90AQI
80AQI
110AQI
76AQI
72AQI
72AQI
50AQI
45AQI
60AQI
62AQI
54AQI
55AQI
61AQI
55AQI
56AQI
56AQI
65AQI
72AQI
72AQI
73AQI
66AQI
58AQI
55AQI
42AQI
55AQI
61AQI
62AQI
47AQI
54AQI
52AQI
42AQI
38AQI
58AQI
57AQI
49AQI
55AQI
51AQI
59AQI
60AQI
49AQI
48AQI
51AQI
44AQI
50AQI
50AQI
50AQI
52AQI
41AQI
38AQI
53AQI
58AQI
70AQI
72AQI
65AQI
63AQI
58AQI
57AQI
58AQI
44AQI
42AQI
60AQI
53AQI
44AQI
38AQI
54AQI
61AQI
68AQI
65AQI
62AQI
59AQI
71AQI
76AQI
69AQI
51AQI
50AQI
62AQI
54AQI
61AQI
60AQI
68AQI
49AQI
62AQI
62AQI
41AQI
53AQI
49AQI
48AQI
64AQI
56AQI
40AQI
34AQI
18AQI
44AQI
43AQI
46AQI
59AQI
67AQI
60AQI
61AQI
49AQI
54AQI
59AQI
66AQI
66AQI
57AQI
54AQI
66AQI
67AQI
55AQI
55AQI
53AQI
55AQI
57AQI
52AQI
48AQI
54AQI
49AQI
40AQI
35AQI
44AQI
38AQI
53AQI
66AQI
62AQI
45AQI
39AQI
36AQI
44AQI
43AQI
44AQI
49AQI
53AQI
61AQI
60AQI
58AQI
53AQI
52AQI
50AQI
55AQI
51AQI
41AQI
50AQI
42AQI
42AQI
41AQI
41AQI
43AQI
44AQI
52AQI
52AQI
49AQI
53AQI
54AQI
52AQI
52AQI
47AQI
43AQI
49AQI
52AQI
49AQI
46AQI
48AQI
39AQI
44AQI
47AQI
45AQI
40AQI
38AQI
41AQI
47AQI
39AQI
38AQI
40AQI
40AQI
36AQI
38AQI
50AQI
50AQI
42AQI
35AQI
34AQI
36AQI
63AQI
50AQI
63AQI
57AQI
54AQI
54AQI
52AQI
50AQI
41AQI
No. of days
202554AQI
Highest AQI recorded in
March63AQI
Lowest AQI recorded in
September41AQI
202450AQI
Highest AQI recorded in
April65AQI
Lowest AQI recorded in
July36AQI
202359AQI
Highest AQI recorded in
March74AQI
Lowest AQI recorded in
September46AQI
202252AQI
Highest AQI recorded in
May61AQI
Lowest AQI recorded in
August34AQI
202159AQI
Highest AQI recorded in
March76AQI
Lowest AQI recorded in
September39AQI
202057AQI
Highest AQI recorded in
May65AQI
Lowest AQI recorded in
July45AQI
Most & Least Polluted Years Over the Last 6 Years
Myeongseo Dong's annual 2025 AQI (54) shows an average percentage change of -1.2% (improved AQI) compared to previous years: 2020 (57), 2021 (59), 2022 (52), 2023 (59), 2024 (50).