Bansongro, 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
Bansongro, 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 2nd highest AQI at 34 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Sep - 21st Sep 2025
Bansongro, Changwon, Gyeongnam, South Korea
6 AM20th Sep 2025
6 PM
5 AM21st Sep 2025
38AQI
16AQI
38AQI
17AQI
In the last 24 hours,
Bansongro's AQI reached its highest point of 38 at 8 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
Bansongro, 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
41AQI
45AQI
41AQI
2025 Days Vs Air Quality
Bansongro, Changwon, Gyeongnam, South Korea
43%
114
55%
145
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: 43%
Health Risk Level:
Significant
In 2025, 43% of 264 days were within WHO’s safe air quality limits, and 57% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Bansongro, Changwon, Gyeongnam, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
47AQI
57AQI
47AQI
49AQI
56AQI
81AQI
41AQI
55AQI
35AQI
41AQI
44AQI
55AQI
70AQI
83AQI
49AQI
58AQI
69AQI
79AQI
84AQI
99AQI
112AQI
117AQI
108AQI
90AQI
62AQI
53AQI
54AQI
40AQI
40AQI
48AQI
56AQI
55AQI
60AQI
49AQI
42AQI
40AQI
37AQI
42AQI
33AQI
39AQI
38AQI
57AQI
64AQI
42AQI
62AQI
50AQI
77AQI
43AQI
45AQI
39AQI
42AQI
38AQI
43AQI
42AQI
42AQI
47AQI
78AQI
63AQI
72AQI
80AQI
77AQI
50AQI
45AQI
38AQI
39AQI
49AQI
48AQI
64AQI
60AQI
72AQI
70AQI
56AQI
51AQI
35AQI
43AQI
48AQI
53AQI
65AQI
68AQI
73AQI
78AQI
91AQI
76AQI
108AQI
73AQI
72AQI
67AQI
43AQI
39AQI
57AQI
60AQI
48AQI
52AQI
58AQI
52AQI
53AQI
52AQI
62AQI
69AQI
73AQI
74AQI
68AQI
58AQI
56AQI
38AQI
52AQI
59AQI
63AQI
48AQI
60AQI
55AQI
43AQI
41AQI
59AQI
57AQI
48AQI
55AQI
54AQI
59AQI
58AQI
50AQI
49AQI
53AQI
44AQI
50AQI
51AQI
54AQI
54AQI
42AQI
37AQI
55AQI
58AQI
71AQI
71AQI
64AQI
61AQI
56AQI
58AQI
57AQI
44AQI
43AQI
61AQI
53AQI
44AQI
41AQI
55AQI
61AQI
70AQI
66AQI
62AQI
59AQI
70AQI
77AQI
70AQI
51AQI
48AQI
60AQI
52AQI
62AQI
63AQI
69AQI
57AQI
61AQI
66AQI
49AQI
55AQI
49AQI
51AQI
61AQI
57AQI
46AQI
43AQI
33AQI
45AQI
48AQI
46AQI
55AQI
61AQI
58AQI
58AQI
51AQI
53AQI
56AQI
63AQI
61AQI
55AQI
54AQI
62AQI
63AQI
57AQI
56AQI
56AQI
57AQI
58AQI
54AQI
51AQI
53AQI
51AQI
47AQI
37AQI
46AQI
37AQI
52AQI
65AQI
61AQI
43AQI
38AQI
36AQI
43AQI
42AQI
42AQI
49AQI
52AQI
59AQI
59AQI
57AQI
52AQI
51AQI
49AQI
54AQI
48AQI
41AQI
49AQI
41AQI
41AQI
41AQI
42AQI
43AQI
44AQI
52AQI
51AQI
48AQI
51AQI
53AQI
51AQI
53AQI
47AQI
43AQI
49AQI
51AQI
47AQI
46AQI
48AQI
37AQI
44AQI
47AQI
39AQI
33AQI
38AQI
41AQI
47AQI
39AQI
38AQI
41AQI
40AQI
36AQI
38AQI
49AQI
46AQI
39AQI
33AQI
34AQI
34AQI
64AQI
49AQI
61AQI
56AQI
55AQI
56AQI
52AQI
49AQI
40AQI
No. of days
202554AQI
Highest AQI recorded in
January64AQI
Lowest AQI recorded in
September40AQI
202448AQI
Highest AQI recorded in
April60AQI
Lowest AQI recorded in
July34AQI
202351AQI
Highest AQI recorded in
March66AQI
Lowest AQI recorded in
September38AQI
202248AQI
Highest AQI recorded in
November65AQI
Lowest AQI recorded in
August19AQI
202152AQI
Highest AQI recorded in
March71AQI
Lowest AQI recorded in
September31AQI
202053AQI
Highest AQI recorded in
November60AQI
Lowest AQI recorded in
July40AQI
Most & Least Polluted Years Over the Last 6 Years
Bansongro's annual 2025 AQI (54) shows an average percentage change of 7.6% (worsened AQI) compared to previous years: 2020 (53), 2021 (52), 2022 (48), 2023 (51), 2024 (48).