Ujeong Eup, Hwasu Dong, 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
Ujeong Eup, Hwasu Dong, 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 41 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
Ujeong Eup, Hwasu Dong, Gyeonggi, South Korea
6 AM18th Sep 2025
6 PM
5 AM19th Sep 2025
53AQI
17AQI
47AQI
19AQI
In the last 24 hours,
Ujeong Eup's AQI reached its highest point of 53 at 10 AM during the Day, while the lowest point, 17, was recorded at 4 PM during the Day between 18th Sep and 19th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Ujeong Eup, Hwasu Dong, Gyeonggi, South Korea
27°C23/31°C
27°C24/32°C
27°C24/32°C
27°C24/32°C
28°C24/33°C
28°C24/33°C
26°C23/29°C
25°C21/30°C
26°C22/31°C
27°C24/31°C
27°C24/31°C
27°C23/32°C
25°C23/29°C
24°C21/29°C
25°C20/31°C
23°C22/26°C
26°C22/31°C
26°C23/30°C
25°C21/28°C
23°C20/28°C
23°C20/26°C
23°C19/30°C
24°C19/30°C
22°C20/25°C
23°C20/25°C
23°C21/27°C
24°C20/29°C
24°C21/28°C
22°C19/25°C
21°C18/25°C
--°C/°C
47AQI
41AQI
47AQI
42AQI
2025 Days Vs Air Quality
Ujeong Eup, Hwasu Dong, Gyeonggi, South Korea
26%
69
67%
174
7%
18
Total number of days with different AQI categories in last 262 days in 2025 (103 days remaining)
Under WHO’s Safe Air Quality Limits: 26%
Health Risk Level:
Very high
In 2025, 26% of 262 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
Ujeong Eup, Hwasu Dong, Gyeonggi, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
76AQI
60AQI
60AQI
63AQI
67AQI
92AQI
53AQI
65AQI
40AQI
52AQI
51AQI
78AQI
88AQI
101AQI
52AQI
76AQI
76AQI
84AQI
84AQI
130AQI
130AQI
148AQI
115AQI
120AQI
75AQI
61AQI
66AQI
55AQI
56AQI
51AQI
73AQI
79AQI
98AQI
54AQI
51AQI
41AQI
53AQI
41AQI
39AQI
44AQI
52AQI
76AQI
75AQI
52AQI
89AQI
58AQI
118AQI
45AQI
61AQI
43AQI
52AQI
50AQI
55AQI
51AQI
53AQI
54AQI
66AQI
62AQI
87AQI
106AQI
77AQI
58AQI
47AQI
37AQI
75AQI
89AQI
87AQI
109AQI
114AQI
112AQI
107AQI
100AQI
84AQI
64AQI
75AQI
65AQI
74AQI
79AQI
95AQI
101AQI
110AQI
118AQI
118AQI
136AQI
99AQI
95AQI
60AQI
47AQI
44AQI
63AQI
77AQI
88AQI
90AQI
87AQI
83AQI
74AQI
78AQI
84AQI
78AQI
80AQI
98AQI
71AQI
67AQI
46AQI
62AQI
63AQI
73AQI
84AQI
58AQI
72AQI
60AQI
57AQI
44AQI
75AQI
57AQI
61AQI
41AQI
64AQI
70AQI
62AQI
62AQI
51AQI
51AQI
49AQI
55AQI
44AQI
57AQI
64AQI
56AQI
67AQI
77AQI
77AQI
79AQI
75AQI
69AQI
61AQI
55AQI
59AQI
63AQI
44AQI
53AQI
57AQI
66AQI
51AQI
52AQI
72AQI
93AQI
95AQI
91AQI
99AQI
104AQI
100AQI
100AQI
81AQI
63AQI
61AQI
61AQI
72AQI
61AQI
70AQI
61AQI
59AQI
71AQI
79AQI
73AQI
64AQI
70AQI
68AQI
71AQI
71AQI
49AQI
64AQI
69AQI
78AQI
69AQI
55AQI
59AQI
71AQI
66AQI
51AQI
45AQI
44AQI
44AQI
53AQI
53AQI
52AQI
54AQI
66AQI
73AQI
60AQI
56AQI
51AQI
53AQI
69AQI
60AQI
45AQI
53AQI
40AQI
49AQI
36AQI
41AQI
40AQI
44AQI
50AQI
53AQI
69AQI
57AQI
48AQI
65AQI
69AQI
69AQI
64AQI
58AQI
61AQI
59AQI
49AQI
50AQI
46AQI
47AQI
58AQI
60AQI
58AQI
61AQI
47AQI
40AQI
37AQI
37AQI
36AQI
42AQI
51AQI
45AQI
46AQI
45AQI
46AQI
49AQI
50AQI
45AQI
43AQI
48AQI
50AQI
43AQI
42AQI
48AQI
39AQI
47AQI
51AQI
39AQI
43AQI
38AQI
41AQI
47AQI
51AQI
50AQI
51AQI
46AQI
39AQI
40AQI
50AQI
47AQI
38AQI
41AQI
77AQI
61AQI
85AQI
70AQI
66AQI
68AQI
54AQI
48AQI
44AQI
No. of days
202565AQI
Highest AQI recorded in
March85AQI
Lowest AQI recorded in
September44AQI
202471AQI
Highest AQI recorded in
April84AQI
Lowest AQI recorded in
September50AQI
202375AQI
Highest AQI recorded in
March97AQI
Lowest AQI recorded in
August59AQI
202273AQI
Highest AQI recorded in
February87AQI
Lowest AQI recorded in
August48AQI
202172AQI
Highest AQI recorded in
March104AQI
Lowest AQI recorded in
September44AQI
202070AQI
Highest AQI recorded in
June82AQI
Lowest AQI recorded in
September50AQI
Most & Least Polluted Years Over the Last 6 Years
Ujeong Eup's annual 2025 AQI (65) shows an average percentage change of -10.2% (improved AQI) compared to previous years: 2020 (70), 2021 (72), 2022 (73), 2023 (75), 2024 (71).