Bongam Dong, Masan, 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
Bongam Dong, Masan, Gyeongnam, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (19th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 38 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: 19th Sep - 20th Sep 2025
Bongam Dong, Masan, Gyeongnam, South Korea
6 AM19th Sep 2025
6 PM
5 AM20th Sep 2025
43AQI
24AQI
41AQI
34AQI
In the last 24 hours,
Bongam Dong's AQI reached its highest point of 43 at 6 AM during the Day, while the lowest point, 24, was recorded at 12 PM during the Day between 19th Sep and 20th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Bongam Dong, Masan, Gyeongnam, South Korea
28°C23/34°C
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
--°C/°C
47AQI
44AQI
45AQI
45AQI
2025 Days Vs Air Quality
Bongam Dong, Masan, Gyeongnam, South Korea
37%
96
62%
162
2%
4
Total number of days with different AQI categories in last 263 days in 2025 (102 days remaining)
Under WHO’s Safe Air Quality Limits: 37%
Health Risk Level:
High
In 2025, 37% of 263 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
Bongam Dong, Masan, Gyeongnam, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
49AQI
62AQI
47AQI
50AQI
58AQI
85AQI
47AQI
55AQI
38AQI
46AQI
47AQI
57AQI
70AQI
88AQI
50AQI
62AQI
69AQI
81AQI
79AQI
94AQI
113AQI
114AQI
105AQI
88AQI
63AQI
53AQI
57AQI
41AQI
43AQI
50AQI
58AQI
53AQI
58AQI
49AQI
42AQI
42AQI
39AQI
49AQI
34AQI
42AQI
42AQI
61AQI
61AQI
44AQI
62AQI
53AQI
75AQI
46AQI
49AQI
42AQI
45AQI
41AQI
48AQI
46AQI
48AQI
50AQI
81AQI
64AQI
73AQI
84AQI
77AQI
51AQI
45AQI
38AQI
44AQI
52AQI
51AQI
67AQI
65AQI
77AQI
78AQI
62AQI
57AQI
40AQI
51AQI
56AQI
58AQI
72AQI
73AQI
80AQI
84AQI
93AQI
84AQI
115AQI
82AQI
79AQI
75AQI
52AQI
47AQI
64AQI
66AQI
57AQI
60AQI
64AQI
58AQI
58AQI
57AQI
68AQI
73AQI
73AQI
76AQI
67AQI
59AQI
55AQI
41AQI
58AQI
61AQI
66AQI
50AQI
60AQI
57AQI
44AQI
45AQI
59AQI
59AQI
47AQI
54AQI
54AQI
58AQI
61AQI
51AQI
51AQI
53AQI
48AQI
51AQI
55AQI
54AQI
57AQI
45AQI
39AQI
58AQI
60AQI
72AQI
70AQI
65AQI
64AQI
58AQI
59AQI
58AQI
42AQI
44AQI
62AQI
54AQI
44AQI
42AQI
54AQI
63AQI
67AQI
65AQI
63AQI
61AQI
73AQI
78AQI
70AQI
53AQI
51AQI
60AQI
54AQI
61AQI
60AQI
65AQI
55AQI
62AQI
63AQI
51AQI
54AQI
47AQI
50AQI
59AQI
56AQI
47AQI
45AQI
40AQI
48AQI
47AQI
44AQI
54AQI
61AQI
56AQI
57AQI
52AQI
53AQI
56AQI
62AQI
61AQI
56AQI
54AQI
61AQI
63AQI
56AQI
56AQI
57AQI
57AQI
58AQI
55AQI
53AQI
56AQI
54AQI
50AQI
45AQI
51AQI
45AQI
53AQI
62AQI
62AQI
51AQI
46AQI
44AQI
49AQI
48AQI
48AQI
49AQI
55AQI
59AQI
59AQI
55AQI
50AQI
53AQI
51AQI
55AQI
53AQI
46AQI
51AQI
42AQI
44AQI
47AQI
46AQI
46AQI
44AQI
52AQI
53AQI
49AQI
50AQI
55AQI
53AQI
55AQI
50AQI
47AQI
50AQI
52AQI
52AQI
50AQI
51AQI
41AQI
42AQI
49AQI
44AQI
41AQI
38AQI
40AQI
47AQI
42AQI
41AQI
40AQI
39AQI
37AQI
41AQI
49AQI
49AQI
42AQI
36AQI
38AQI
65AQI
51AQI
66AQI
59AQI
56AQI
56AQI
54AQI
51AQI
42AQI
No. of days
202556AQI
Highest AQI recorded in
March66AQI
Lowest AQI recorded in
September42AQI
202455AQI
Highest AQI recorded in
April72AQI
Lowest AQI recorded in
July41AQI
202360AQI
Highest AQI recorded in
March82AQI
Lowest AQI recorded in
September43AQI
202256AQI
Highest AQI recorded in
November71AQI
Lowest AQI recorded in
August25AQI
202152AQI
Highest AQI recorded in
March72AQI
Lowest AQI recorded in
September37AQI
202051AQI
Highest AQI recorded in
May62AQI
Lowest AQI recorded in
July38AQI
Most & Least Polluted Years Over the Last 6 Years
Bongam Dong's annual 2025 AQI (56) shows an average percentage change of 3.1% (worsened AQI) compared to previous years: 2020 (51), 2021 (52), 2022 (56), 2023 (60), 2024 (55).