Kihung, 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
Kihung, 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 42 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: 4th Oct - 5th Oct 2025
Kihung, Gyeonggi, South Korea
6 AM4th Oct 2025
6 PM
5 AM5th Oct 2025
50AQI
36AQI
59AQI
40AQI
In the last 24 hours,
Kihung's AQI reached its highest point of 59 at 3 AM during the Night, while the lowest point, 36, was recorded at 6 AM during the Day between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Kihung, Gyeonggi, South Korea
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
20°C16/25°C
20°C16/25°C
21°C17/26°C
20°C18/22°C
20°C18/23°C
--°C/°C
42AQI
38AQI
47AQI
40AQI
2025 Days Vs Air Quality
Kihung, Gyeonggi, South Korea
37%
102
57%
159
6%
16
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 37%
Health Risk Level:
High
In 2025, 37% of 278 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
Kihung, Gyeonggi, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
74AQI
57AQI
59AQI
60AQI
72AQI
101AQI
57AQI
72AQI
41AQI
60AQI
59AQI
79AQI
90AQI
95AQI
57AQI
74AQI
90AQI
78AQI
90AQI
128AQI
141AQI
146AQI
122AQI
100AQI
67AQI
53AQI
63AQI
58AQI
59AQI
54AQI
74AQI
78AQI
79AQI
55AQI
53AQI
45AQI
55AQI
48AQI
48AQI
49AQI
56AQI
72AQI
76AQI
51AQI
89AQI
57AQI
108AQI
50AQI
62AQI
48AQI
57AQI
54AQI
58AQI
54AQI
59AQI
55AQI
72AQI
56AQI
79AQI
102AQI
79AQI
55AQI
45AQI
36AQI
70AQI
89AQI
82AQI
105AQI
116AQI
110AQI
101AQI
91AQI
78AQI
53AQI
71AQI
63AQI
67AQI
79AQI
90AQI
106AQI
109AQI
118AQI
123AQI
130AQI
91AQI
89AQI
60AQI
49AQI
45AQI
55AQI
78AQI
82AQI
79AQI
83AQI
66AQI
65AQI
69AQI
74AQI
66AQI
74AQI
86AQI
61AQI
61AQI
47AQI
55AQI
60AQI
66AQI
77AQI
46AQI
55AQI
48AQI
43AQI
35AQI
58AQI
64AQI
53AQI
43AQI
58AQI
66AQI
56AQI
57AQI
47AQI
48AQI
46AQI
49AQI
40AQI
52AQI
60AQI
49AQI
53AQI
66AQI
66AQI
71AQI
71AQI
67AQI
51AQI
44AQI
57AQI
61AQI
46AQI
47AQI
43AQI
61AQI
44AQI
52AQI
60AQI
72AQI
78AQI
75AQI
68AQI
74AQI
80AQI
91AQI
71AQI
55AQI
57AQI
58AQI
68AQI
56AQI
65AQI
49AQI
50AQI
61AQI
73AQI
53AQI
55AQI
63AQI
62AQI
67AQI
63AQI
42AQI
52AQI
58AQI
62AQI
55AQI
46AQI
51AQI
60AQI
60AQI
46AQI
43AQI
43AQI
37AQI
53AQI
51AQI
50AQI
54AQI
70AQI
67AQI
56AQI
47AQI
46AQI
43AQI
60AQI
48AQI
40AQI
47AQI
36AQI
39AQI
32AQI
38AQI
38AQI
35AQI
41AQI
48AQI
53AQI
42AQI
42AQI
61AQI
67AQI
57AQI
56AQI
59AQI
62AQI
61AQI
48AQI
51AQI
45AQI
49AQI
54AQI
55AQI
47AQI
57AQI
50AQI
40AQI
42AQI
39AQI
38AQI
41AQI
51AQI
42AQI
46AQI
46AQI
46AQI
49AQI
51AQI
49AQI
43AQI
50AQI
52AQI
45AQI
44AQI
51AQI
40AQI
49AQI
50AQI
35AQI
36AQI
38AQI
41AQI
48AQI
53AQI
48AQI
49AQI
46AQI
38AQI
43AQI
45AQI
43AQI
36AQI
30AQI
32AQI
28AQI
24AQI
26AQI
27AQI
34AQI
41AQI
50AQI
47AQI
32AQI
48AQI
54AQI
57AQI
56AQI
57AQI
42AQI
78AQI
62AQI
82AQI
62AQI
57AQI
59AQI
48AQI
48AQI
40AQI
53AQI
No. of days
202560AQI
Highest AQI recorded in
March82AQI
Lowest AQI recorded in
September40AQI
202457AQI
Highest AQI recorded in
January74AQI
Lowest AQI recorded in
September37AQI
202363AQI
Highest AQI recorded in
February91AQI
Lowest AQI recorded in
September43AQI
202264AQI
Highest AQI recorded in
February86AQI
Lowest AQI recorded in
August21AQI
202163AQI
Highest AQI recorded in
March87AQI
Lowest AQI recorded in
September34AQI
202061AQI
Highest AQI recorded in
December74AQI
Lowest AQI recorded in
September44AQI
Most & Least Polluted Years Over the Last 6 Years
Kihung's annual 2025 AQI (60) shows an average percentage change of -2.7% (improved AQI) compared to previous years: 2020 (61), 2021 (63), 2022 (64), 2023 (63), 2024 (57).