Sinjang 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
Sinjang 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 34 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
Sinjang Dong, Hanam, Gyeonggi, South Korea
6 AM18th Sep 2025
6 PM
5 AM19th Sep 2025
44AQI
13AQI
45AQI
12AQI
In the last 24 hours,
Sinjang Dong's AQI reached its highest point of 45 at 1 AM during the Night, while the lowest point, 12, was recorded at 7 PM during the Night between 18th Sep and 19th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Sinjang 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
49AQI
43AQI
49AQI
46AQI
2025 Days Vs Air Quality
Sinjang Dong, Hanam, Gyeonggi, South Korea
32%
83
64%
167
4%
11
Total number of days with different AQI categories in last 262 days in 2025 (103 days remaining)
Under WHO’s Safe Air Quality Limits: 32%
Health Risk Level:
High
In 2025, 32% 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
Sinjang Dong, Hanam, Gyeonggi, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
70AQI
57AQI
60AQI
60AQI
68AQI
90AQI
58AQI
69AQI
45AQI
60AQI
60AQI
70AQI
83AQI
91AQI
57AQI
70AQI
84AQI
78AQI
85AQI
121AQI
136AQI
128AQI
113AQI
94AQI
60AQI
50AQI
64AQI
59AQI
60AQI
54AQI
65AQI
68AQI
68AQI
48AQI
49AQI
43AQI
53AQI
51AQI
49AQI
49AQI
57AQI
65AQI
66AQI
50AQI
83AQI
58AQI
100AQI
52AQI
59AQI
47AQI
55AQI
54AQI
57AQI
54AQI
57AQI
54AQI
66AQI
54AQI
75AQI
87AQI
68AQI
53AQI
45AQI
39AQI
65AQI
89AQI
83AQI
96AQI
112AQI
105AQI
96AQI
88AQI
74AQI
55AQI
67AQI
61AQI
62AQI
76AQI
86AQI
101AQI
106AQI
111AQI
114AQI
125AQI
88AQI
88AQI
59AQI
48AQI
45AQI
54AQI
75AQI
75AQI
71AQI
73AQI
56AQI
59AQI
66AQI
70AQI
68AQI
72AQI
77AQI
62AQI
57AQI
45AQI
52AQI
60AQI
65AQI
72AQI
46AQI
49AQI
47AQI
42AQI
35AQI
57AQI
60AQI
53AQI
43AQI
53AQI
61AQI
52AQI
54AQI
44AQI
47AQI
48AQI
49AQI
36AQI
54AQI
59AQI
46AQI
50AQI
64AQI
65AQI
67AQI
67AQI
63AQI
49AQI
43AQI
55AQI
57AQI
42AQI
42AQI
45AQI
57AQI
42AQI
45AQI
57AQI
71AQI
77AQI
74AQI
62AQI
69AQI
80AQI
89AQI
71AQI
51AQI
54AQI
55AQI
65AQI
58AQI
67AQI
55AQI
54AQI
56AQI
69AQI
54AQI
59AQI
64AQI
67AQI
68AQI
67AQI
56AQI
56AQI
55AQI
57AQI
53AQI
50AQI
52AQI
57AQI
60AQI
54AQI
50AQI
50AQI
43AQI
53AQI
50AQI
51AQI
54AQI
60AQI
61AQI
55AQI
51AQI
49AQI
48AQI
58AQI
52AQI
46AQI
50AQI
41AQI
41AQI
37AQI
42AQI
41AQI
41AQI
42AQI
48AQI
53AQI
48AQI
44AQI
59AQI
61AQI
59AQI
57AQI
58AQI
60AQI
61AQI
52AQI
52AQI
47AQI
50AQI
54AQI
54AQI
50AQI
57AQI
51AQI
44AQI
49AQI
47AQI
42AQI
44AQI
52AQI
49AQI
48AQI
48AQI
50AQI
50AQI
55AQI
53AQI
46AQI
51AQI
53AQI
49AQI
48AQI
52AQI
46AQI
52AQI
52AQI
38AQI
35AQI
43AQI
42AQI
47AQI
55AQI
50AQI
52AQI
50AQI
44AQI
44AQI
45AQI
41AQI
36AQI
34AQI
75AQI
59AQI
79AQI
59AQI
55AQI
60AQI
50AQI
51AQI
45AQI
No. of days
202560AQI
Highest AQI recorded in
March79AQI
Lowest AQI recorded in
September45AQI
202462AQI
Highest AQI recorded in
January79AQI
Lowest AQI recorded in
September43AQI
202364AQI
Highest AQI recorded in
February89AQI
Lowest AQI recorded in
September44AQI
202260AQI
Highest AQI recorded in
February79AQI
Lowest AQI recorded in
August23AQI
202156AQI
Highest AQI recorded in
March80AQI
Lowest AQI recorded in
September30AQI
202051AQI
Highest AQI recorded in
December71AQI
Lowest AQI recorded in
September34AQI
Most & Least Polluted Years Over the Last 6 Years
Sinjang Dong's annual 2025 AQI (60) shows an average percentage change of 2.5% (worsened AQI) compared to previous years: 2020 (51), 2021 (56), 2022 (60), 2023 (64), 2024 (62).