Jeongwang Dong, Ansan, 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
Jeongwang Dong, Ansan, Gyeonggi, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (22nd September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 29 of Good air quality, showing improvement over 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 22nd Sep - 23rd Sep 2025
Jeongwang Dong, Ansan, Gyeonggi, South Korea
6 AM22nd Sep 2025
6 PM
5 AM23rd Sep 2025
33AQI
14AQI
34AQI
26AQI
In the last 24 hours,
Jeongwang Dong's AQI reached its highest point of 34 at 3 AM during the Night, while the lowest point, 14, was recorded at 12 PM during the Day between 22nd Sep and 23rd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Jeongwang Dong, Ansan, Gyeonggi, South Korea
29°C26/33°C
29°C26/32°C
27°C24/30°C
27°C23/31°C
27°C24/32°C
28°C24/33°C
28°C26/33°C
28°C25/33°C
26°C23/30°C
25°C22/29°C
27°C23/31°C
25°C23/27°C
27°C23/32°C
27°C24/32°C
25°C23/28°C
25°C22/28°C
25°C22/28°C
26°C22/30°C
26°C23/31°C
25°C20/29°C
23°C20/26°C
25°C22/28°C
26°C23/31°C
25°C23/29°C
23°C19/26°C
21°C19/24°C
18°C16/20°C
18°C16/20°C
22°C18/26°C
22°C20/26°C
--°C/°C
47AQI
37AQI
47AQI
42AQI
2025 Days Vs Air Quality
Jeongwang Dong, Ansan, Gyeonggi, South Korea
25%
67
68%
180
6%
17
0.3%
1
Total number of days with different AQI categories in last 266 days in 2025 (99 days remaining)
Under WHO’s Safe Air Quality Limits: 25%
Health Risk Level:
Very high
In 2025, 25% of 266 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
Jeongwang Dong, Ansan, Gyeonggi, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
76AQI
54AQI
57AQI
63AQI
70AQI
96AQI
52AQI
69AQI
40AQI
50AQI
56AQI
76AQI
90AQI
103AQI
53AQI
82AQI
73AQI
86AQI
82AQI
130AQI
133AQI
151AQI
111AQI
112AQI
69AQI
60AQI
68AQI
58AQI
59AQI
48AQI
74AQI
87AQI
89AQI
53AQI
49AQI
39AQI
53AQI
42AQI
37AQI
43AQI
56AQI
73AQI
78AQI
57AQI
91AQI
60AQI
112AQI
47AQI
59AQI
42AQI
52AQI
49AQI
55AQI
50AQI
52AQI
54AQI
66AQI
63AQI
84AQI
106AQI
82AQI
57AQI
45AQI
34AQI
77AQI
92AQI
87AQI
106AQI
118AQI
113AQI
107AQI
104AQI
79AQI
61AQI
73AQI
65AQI
76AQI
79AQI
92AQI
101AQI
109AQI
117AQI
114AQI
133AQI
99AQI
95AQI
62AQI
47AQI
42AQI
61AQI
74AQI
85AQI
89AQI
85AQI
77AQI
68AQI
75AQI
79AQI
79AQI
84AQI
96AQI
71AQI
63AQI
47AQI
61AQI
64AQI
70AQI
82AQI
53AQI
68AQI
60AQI
50AQI
38AQI
70AQI
58AQI
57AQI
41AQI
61AQI
70AQI
58AQI
63AQI
51AQI
50AQI
47AQI
55AQI
43AQI
57AQI
63AQI
55AQI
66AQI
76AQI
78AQI
78AQI
73AQI
70AQI
63AQI
58AQI
58AQI
64AQI
41AQI
53AQI
56AQI
67AQI
52AQI
47AQI
73AQI
87AQI
98AQI
87AQI
97AQI
96AQI
92AQI
97AQI
78AQI
61AQI
61AQI
60AQI
69AQI
58AQI
68AQI
54AQI
60AQI
68AQI
78AQI
73AQI
61AQI
69AQI
70AQI
72AQI
69AQI
57AQI
64AQI
71AQI
78AQI
69AQI
59AQI
61AQI
70AQI
66AQI
56AQI
53AQI
49AQI
51AQI
54AQI
54AQI
52AQI
54AQI
64AQI
68AQI
60AQI
56AQI
53AQI
53AQI
62AQI
58AQI
50AQI
57AQI
47AQI
50AQI
40AQI
47AQI
47AQI
42AQI
51AQI
55AQI
66AQI
61AQI
54AQI
70AQI
72AQI
76AQI
67AQI
60AQI
63AQI
63AQI
53AQI
52AQI
50AQI
52AQI
57AQI
61AQI
56AQI
60AQI
53AQI
44AQI
41AQI
40AQI
38AQI
41AQI
51AQI
47AQI
49AQI
50AQI
49AQI
50AQI
52AQI
48AQI
43AQI
50AQI
51AQI
44AQI
43AQI
48AQI
40AQI
48AQI
51AQI
43AQI
40AQI
37AQI
42AQI
50AQI
53AQI
51AQI
51AQI
50AQI
41AQI
43AQI
51AQI
49AQI
40AQI
34AQI
34AQI
29AQI
26AQI
29AQI
77AQI
60AQI
85AQI
68AQI
65AQI
67AQI
56AQI
50AQI
42AQI
No. of days
202564AQI
Highest AQI recorded in
March85AQI
Lowest AQI recorded in
September42AQI
202466AQI
Highest AQI recorded in
April84AQI
Lowest AQI recorded in
September44AQI
202375AQI
Highest AQI recorded in
March101AQI
Lowest AQI recorded in
September59AQI
202271AQI
Highest AQI recorded in
February85AQI
Lowest AQI recorded in
August41AQI
202169AQI
Highest AQI recorded in
March101AQI
Lowest AQI recorded in
September39AQI
202062AQI
Highest AQI recorded in
December74AQI
Lowest AQI recorded in
September47AQI
Most & Least Polluted Years Over the Last 6 Years
Jeongwang Dong's annual 2025 AQI (64) shows an average percentage change of -5.9% (improved AQI) compared to previous years: 2020 (62), 2021 (69), 2022 (71), 2023 (75), 2024 (66).