Gil Dong, Hanam, 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
Gil Dong, Hanam, Gyeonggi, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (18th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 35 of Good air quality, showing improvement over 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 18th Sep - 19th Sep 2025
Gil Dong, Hanam, Gyeonggi, South Korea
6 AM18th Sep 2025
6 PM
5 AM19th Sep 2025
44AQI
14AQI
45AQI
15AQI
In the last 24 hours,
Gil Dong's AQI reached its highest point of 45 at 1 AM during the Night, while the lowest point, 14, was recorded at 6 PM during the Day between 18th Sep and 19th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Gil Dong, Hanam, Gyeonggi, South Korea
28°C24/32°C
29°C25/33°C
29°C25/33°C
29°C25/33°C
30°C26/34°C
29°C26/34°C
27°C24/31°C
27°C23/33°C
27°C24/32°C
27°C25/32°C
28°C24/32°C
28°C24/33°C
25°C23/28°C
26°C22/31°C
27°C22/32°C
24°C22/29°C
27°C22/33°C
27°C24/32°C
26°C23/29°C
25°C21/31°C
25°C22/28°C
25°C19/31°C
26°C20/32°C
24°C21/29°C
22°C20/26°C
24°C20/29°C
26°C21/31°C
24°C22/28°C
22°C19/24°C
21°C19/24°C
--°C/°C
48AQI
40AQI
48AQI
44AQI
2025 Days Vs Air Quality
Gil Dong, Hanam, Gyeonggi, South Korea
35%
91
57%
149
8%
20
0.3%
1
Total number of days with different AQI categories in last 262 days in 2025 (103 days remaining)
Under WHO’s Safe Air Quality Limits: 35%
Health Risk Level:
High
In 2025, 35% of 262 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
Gil Dong, Hanam, Gyeonggi, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
77AQI
63AQI
67AQI
67AQI
78AQI
102AQI
66AQI
77AQI
50AQI
66AQI
69AQI
85AQI
101AQI
108AQI
63AQI
82AQI
93AQI
90AQI
101AQI
138AQI
146AQI
153AQI
122AQI
106AQI
68AQI
60AQI
68AQI
65AQI
66AQI
59AQI
77AQI
83AQI
79AQI
60AQI
58AQI
53AQI
59AQI
56AQI
55AQI
57AQI
64AQI
84AQI
84AQI
60AQI
101AQI
61AQI
122AQI
55AQI
73AQI
54AQI
61AQI
60AQI
65AQI
60AQI
63AQI
62AQI
75AQI
63AQI
93AQI
111AQI
81AQI
60AQI
46AQI
40AQI
77AQI
101AQI
88AQI
109AQI
119AQI
110AQI
100AQI
95AQI
81AQI
65AQI
76AQI
68AQI
72AQI
82AQI
90AQI
103AQI
111AQI
112AQI
115AQI
122AQI
89AQI
86AQI
57AQI
50AQI
43AQI
55AQI
77AQI
76AQI
73AQI
76AQI
56AQI
64AQI
70AQI
74AQI
71AQI
77AQI
85AQI
63AQI
59AQI
42AQI
54AQI
61AQI
67AQI
77AQI
45AQI
49AQI
47AQI
41AQI
35AQI
58AQI
56AQI
48AQI
39AQI
53AQI
61AQI
51AQI
52AQI
44AQI
42AQI
46AQI
45AQI
36AQI
52AQI
58AQI
46AQI
48AQI
66AQI
67AQI
69AQI
68AQI
64AQI
53AQI
44AQI
54AQI
57AQI
41AQI
42AQI
44AQI
55AQI
39AQI
46AQI
59AQI
74AQI
79AQI
74AQI
66AQI
70AQI
82AQI
86AQI
70AQI
55AQI
54AQI
54AQI
65AQI
53AQI
64AQI
48AQI
50AQI
61AQI
71AQI
53AQI
54AQI
66AQI
65AQI
68AQI
64AQI
44AQI
52AQI
58AQI
60AQI
49AQI
42AQI
50AQI
57AQI
60AQI
48AQI
43AQI
38AQI
35AQI
50AQI
48AQI
47AQI
53AQI
68AQI
63AQI
52AQI
45AQI
42AQI
42AQI
60AQI
44AQI
39AQI
45AQI
35AQI
36AQI
31AQI
33AQI
33AQI
36AQI
35AQI
48AQI
51AQI
39AQI
38AQI
61AQI
64AQI
56AQI
54AQI
58AQI
61AQI
61AQI
50AQI
51AQI
46AQI
45AQI
53AQI
53AQI
43AQI
55AQI
50AQI
41AQI
42AQI
40AQI
39AQI
42AQI
52AQI
45AQI
47AQI
48AQI
48AQI
50AQI
53AQI
49AQI
44AQI
51AQI
52AQI
46AQI
44AQI
51AQI
40AQI
48AQI
50AQI
33AQI
38AQI
40AQI
43AQI
49AQI
54AQI
49AQI
50AQI
48AQI
38AQI
43AQI
46AQI
42AQI
37AQI
35AQI
85AQI
69AQI
84AQI
60AQI
55AQI
58AQI
46AQI
49AQI
44AQI
No. of days
202562AQI
Highest AQI recorded in
January85AQI
Lowest AQI recorded in
September44AQI
202459AQI
Highest AQI recorded in
January75AQI
Lowest AQI recorded in
July41AQI
202365AQI
Highest AQI recorded in
February93AQI
Lowest AQI recorded in
September44AQI
202264AQI
Highest AQI recorded in
January90AQI
Lowest AQI recorded in
September40AQI
202168AQI
Highest AQI recorded in
March94AQI
Lowest AQI recorded in
September34AQI
202064AQI
Highest AQI recorded in
December87AQI
Lowest AQI recorded in
September43AQI
Most & Least Polluted Years Over the Last 6 Years
Gil Dong's annual 2025 AQI (62) shows an average percentage change of -3.1% (improved AQI) compared to previous years: 2020 (64), 2021 (68), 2022 (64), 2023 (65), 2024 (59).