Seondan Dong, Pocheon, Gyeonggi, South Korea Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Seondan Dong, Pocheon, Gyeonggi, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 41 of Good air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Oct - 6th Oct 2025
Seondan Dong, Pocheon, Gyeonggi, South Korea
6 AM5th Oct 2025
6 PM
5 AM6th Oct 2025
54AQI
26AQI
48AQI
25AQI
In the last 24 hours,
Seondan Dong's AQI reached its highest point of 54 at 10 AM during the Day, while the lowest point, 25, was recorded at 5 AM during the Night between 5th Oct and 6th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Seondan Dong, Pocheon, Gyeonggi, South Korea
25°C22/30°C
24°C21/28°C
23°C19/28°C
23°C20/27°C
22°C15/29°C
23°C17/30°C
22°C18/27°C
21°C18/25°C
22°C18/27°C
23°C19/29°C
22°C19/25°C
20°C18/22°C
19°C17/23°C
17°C15/20°C
17°C15/20°C
18°C14/25°C
18°C14/24°C
20°C16/26°C
19°C17/23°C
21°C19/26°C
20°C16/26°C
21°C17/27°C
18°C16/19°C
18°C15/23°C
19°C15/23°C
19°C15/24°C
21°C16/26°C
20°C17/23°C
21°C18/24°C
20°C19/21°C
--°C/°C
42AQI
38AQI
47AQI
38AQI
2025 Days Vs Air Quality
Seondan Dong, Pocheon, Gyeonggi, South Korea
36%
99
59%
163
5%
15
Total number of days with different AQI categories in last 279 days in 2025 (86 days remaining)
Under WHO’s Safe Air Quality Limits: 36%
Health Risk Level:
High
In 2025, 36% of 279 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
Seondan Dong, Pocheon, Gyeonggi, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
72AQI
60AQI
63AQI
63AQI
68AQI
102AQI
62AQI
71AQI
43AQI
63AQI
68AQI
80AQI
101AQI
104AQI
57AQI
77AQI
87AQI
86AQI
96AQI
134AQI
144AQI
138AQI
121AQI
100AQI
70AQI
50AQI
62AQI
63AQI
63AQI
51AQI
76AQI
80AQI
68AQI
55AQI
47AQI
44AQI
52AQI
52AQI
48AQI
53AQI
61AQI
90AQI
83AQI
54AQI
95AQI
60AQI
116AQI
51AQI
62AQI
48AQI
59AQI
59AQI
58AQI
56AQI
58AQI
62AQI
76AQI
59AQI
99AQI
105AQI
87AQI
57AQI
51AQI
41AQI
63AQI
94AQI
82AQI
93AQI
109AQI
98AQI
93AQI
79AQI
76AQI
52AQI
68AQI
62AQI
59AQI
81AQI
91AQI
108AQI
112AQI
123AQI
119AQI
135AQI
88AQI
98AQI
58AQI
50AQI
44AQI
55AQI
82AQI
80AQI
77AQI
77AQI
59AQI
64AQI
74AQI
75AQI
74AQI
71AQI
81AQI
65AQI
52AQI
43AQI
52AQI
66AQI
68AQI
77AQI
50AQI
51AQI
54AQI
43AQI
31AQI
60AQI
63AQI
57AQI
51AQI
60AQI
62AQI
59AQI
54AQI
47AQI
43AQI
50AQI
48AQI
37AQI
54AQI
61AQI
53AQI
45AQI
70AQI
68AQI
72AQI
71AQI
61AQI
56AQI
36AQI
56AQI
59AQI
46AQI
44AQI
49AQI
57AQI
42AQI
44AQI
60AQI
78AQI
82AQI
73AQI
62AQI
64AQI
69AQI
86AQI
69AQI
50AQI
53AQI
57AQI
68AQI
56AQI
66AQI
52AQI
51AQI
57AQI
75AQI
55AQI
58AQI
60AQI
68AQI
70AQI
68AQI
46AQI
52AQI
53AQI
60AQI
50AQI
40AQI
45AQI
58AQI
61AQI
49AQI
44AQI
38AQI
37AQI
51AQI
52AQI
49AQI
55AQI
66AQI
59AQI
53AQI
47AQI
44AQI
40AQI
56AQI
42AQI
36AQI
46AQI
35AQI
34AQI
31AQI
33AQI
34AQI
30AQI
29AQI
41AQI
52AQI
48AQI
39AQI
53AQI
53AQI
55AQI
54AQI
58AQI
61AQI
61AQI
48AQI
52AQI
44AQI
42AQI
54AQI
47AQI
42AQI
54AQI
51AQI
40AQI
40AQI
43AQI
41AQI
41AQI
51AQI
45AQI
44AQI
44AQI
44AQI
47AQI
50AQI
47AQI
44AQI
47AQI
51AQI
46AQI
46AQI
51AQI
41AQI
49AQI
49AQI
38AQI
37AQI
40AQI
42AQI
48AQI
51AQI
49AQI
51AQI
50AQI
41AQI
46AQI
43AQI
42AQI
36AQI
28AQI
28AQI
25AQI
23AQI
26AQI
24AQI
24AQI
36AQI
48AQI
32AQI
35AQI
53AQI
57AQI
70AQI
65AQI
59AQI
41AQI
80AQI
64AQI
82AQI
63AQI
56AQI
58AQI
45AQI
48AQI
40AQI
59AQI
No. of days
202560AQI
Highest AQI recorded in
March82AQI
Lowest AQI recorded in
September40AQI
202459AQI
Highest AQI recorded in
January87AQI
Lowest AQI recorded in
September34AQI
202368AQI
Highest AQI recorded in
February99AQI
Lowest AQI recorded in
August40AQI
202274AQI
Highest AQI recorded in
January102AQI
Lowest AQI recorded in
August21AQI
202170AQI
Highest AQI recorded in
November91AQI
Lowest AQI recorded in
September34AQI
202059AQI
Highest AQI recorded in
December95AQI
Lowest AQI recorded in
August34AQI
Most & Least Polluted Years Over the Last 6 Years
Seondan Dong's annual 2025 AQI (60) shows an average percentage change of -9.3% (improved AQI) compared to previous years: 2020 (59), 2021 (70), 2022 (74), 2023 (68), 2024 (59).