Gyeongan Dong, Songnam, Gyeonggi, 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
Gyeongan Dong, Songnam, Gyeonggi, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (29th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 51 of Moderate air quality, showing improvement over 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 30th Sep - 1st Oct 2025
Gyeongan Dong, Songnam, Gyeonggi, South Korea
6 AM30th Sep 2025
6 PM
5 AM1st Oct 2025
AQI
AQI
72AQI
47AQI
In the last 24 hours,
Gyeongan Dong's AQI reached its highest point of 72 at 3 PM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 30th Sep and 1st Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Gyeongan Dong, Songnam, Gyeonggi, South Korea
24°C23/28°C
25°C21/31°C
26°C21/31°C
23°C21/27°C
26°C21/32°C
26°C23/31°C
25°C21/29°C
24°C20/30°C
24°C21/27°C
24°C18/30°C
24°C18/31°C
23°C20/27°C
22°C20/25°C
23°C20/28°C
24°C20/30°C
24°C21/27°C
21°C18/24°C
20°C18/24°C
18°C16/20°C
18°C16/20°C
20°C15/26°C
19°C16/24°C
21°C18/26°C
20°C18/23°C
21°C19/26°C
21°C17/27°C
22°C17/27°C
19°C17/19°C
19°C16/24°C
--°C/°C
--°C/°C
44AQI
38AQI
46AQI
40AQI
2025 Days Vs Air Quality
Gyeongan Dong, Songnam, Gyeonggi, South Korea
29%
80
65%
177
6%
15
Total number of days with different AQI categories in last 273 days in 2025 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 29%
Health Risk Level:
Very high
In 2025, 29% of 273 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
Gyeongan Dong, Songnam, Gyeonggi, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
77AQI
64AQI
63AQI
64AQI
73AQI
104AQI
62AQI
70AQI
43AQI
60AQI
60AQI
78AQI
94AQI
98AQI
57AQI
73AQI
84AQI
86AQI
94AQI
130AQI
142AQI
148AQI
122AQI
102AQI
72AQI
53AQI
62AQI
58AQI
59AQI
54AQI
68AQI
70AQI
73AQI
54AQI
53AQI
47AQI
57AQI
54AQI
50AQI
54AQI
59AQI
74AQI
77AQI
51AQI
87AQI
58AQI
113AQI
51AQI
62AQI
49AQI
55AQI
55AQI
58AQI
55AQI
58AQI
58AQI
75AQI
60AQI
84AQI
107AQI
80AQI
59AQI
48AQI
40AQI
66AQI
87AQI
81AQI
99AQI
108AQI
107AQI
102AQI
95AQI
76AQI
55AQI
69AQI
60AQI
61AQI
76AQI
87AQI
100AQI
104AQI
112AQI
115AQI
129AQI
92AQI
89AQI
64AQI
56AQI
55AQI
59AQI
78AQI
77AQI
76AQI
80AQI
68AQI
64AQI
68AQI
74AQI
66AQI
73AQI
78AQI
63AQI
59AQI
47AQI
53AQI
62AQI
65AQI
76AQI
46AQI
52AQI
48AQI
43AQI
35AQI
57AQI
67AQI
54AQI
44AQI
55AQI
64AQI
57AQI
56AQI
44AQI
48AQI
45AQI
50AQI
39AQI
53AQI
61AQI
47AQI
49AQI
65AQI
65AQI
70AQI
71AQI
64AQI
55AQI
43AQI
57AQI
59AQI
45AQI
46AQI
47AQI
59AQI
45AQI
50AQI
60AQI
73AQI
79AQI
74AQI
62AQI
67AQI
79AQI
89AQI
72AQI
55AQI
58AQI
58AQI
69AQI
59AQI
65AQI
53AQI
54AQI
60AQI
72AQI
49AQI
56AQI
62AQI
62AQI
70AQI
66AQI
43AQI
51AQI
55AQI
59AQI
52AQI
42AQI
50AQI
57AQI
59AQI
44AQI
42AQI
40AQI
37AQI
52AQI
50AQI
49AQI
53AQI
64AQI
64AQI
54AQI
46AQI
47AQI
45AQI
59AQI
47AQI
39AQI
47AQI
36AQI
38AQI
32AQI
35AQI
37AQI
35AQI
40AQI
47AQI
53AQI
42AQI
39AQI
60AQI
62AQI
55AQI
53AQI
59AQI
67AQI
64AQI
56AQI
59AQI
53AQI
52AQI
55AQI
56AQI
46AQI
57AQI
53AQI
50AQI
50AQI
49AQI
46AQI
48AQI
55AQI
50AQI
50AQI
51AQI
54AQI
52AQI
58AQI
57AQI
52AQI
52AQI
54AQI
51AQI
52AQI
55AQI
48AQI
54AQI
52AQI
39AQI
39AQI
49AQI
44AQI
52AQI
59AQI
55AQI
53AQI
49AQI
42AQI
45AQI
44AQI
42AQI
42AQI
28AQI
31AQI
27AQI
23AQI
26AQI
26AQI
33AQI
39AQI
55AQI
47AQI
37AQI
51AQI
80AQI
63AQI
82AQI
62AQI
56AQI
59AQI
47AQI
54AQI
42AQI
No. of days
202561AQI
Highest AQI recorded in
March82AQI
Lowest AQI recorded in
September42AQI
202461AQI
Highest AQI recorded in
January81AQI
Lowest AQI recorded in
September39AQI
202369AQI
Highest AQI recorded in
March98AQI
Lowest AQI recorded in
September45AQI
202268AQI
Highest AQI recorded in
February90AQI
Lowest AQI recorded in
August28AQI
202165AQI
Highest AQI recorded in
March95AQI
Lowest AQI recorded in
September33AQI
202064AQI
Highest AQI recorded in
December88AQI
Lowest AQI recorded in
September42AQI
Most & Least Polluted Years Over the Last 6 Years
Gyeongan Dong's annual 2025 AQI (61) shows an average percentage change of -7.1% (improved AQI) compared to previous years: 2020 (64), 2021 (65), 2022 (68), 2023 (69), 2024 (61).