Uiwang, 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
Uiwang, Gyeonggi, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (16th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 48 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Sep - 18th Sep 2025
Uiwang, Gyeonggi, South Korea
6 AM17th Sep 2025
7 PM
5 AM18th Sep 2025
AQI
AQI
53AQI
20AQI
In the last 24 hours,
Uiwang's AQI reached its highest point of 53 at 6 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 17th Sep and 18th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Uiwang, Gyeonggi, South Korea
27°C24/30°C
27°C24/31°C
28°C26/32°C
29°C26/32°C
28°C25/31°C
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
--°C/°C
--°C/°C
48AQI
44AQI
48AQI
47AQI
2025 Days Vs Air Quality
Uiwang, Gyeonggi, South Korea
33%
86
61%
157
6%
15
0.3%
1
Total number of days with different AQI categories in last 260 days in 2025 (105 days remaining)
Under WHO’s Safe Air Quality Limits: 33%
Health Risk Level:
High
In 2025, 33% of 260 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
Uiwang, Gyeonggi, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
75AQI
54AQI
58AQI
59AQI
68AQI
99AQI
54AQI
69AQI
42AQI
55AQI
58AQI
77AQI
89AQI
99AQI
54AQI
77AQI
83AQI
79AQI
83AQI
132AQI
138AQI
153AQI
120AQI
104AQI
64AQI
53AQI
63AQI
58AQI
59AQI
51AQI
74AQI
77AQI
85AQI
52AQI
53AQI
44AQI
56AQI
47AQI
46AQI
47AQI
56AQI
70AQI
80AQI
50AQI
92AQI
57AQI
112AQI
50AQI
66AQI
46AQI
56AQI
54AQI
58AQI
53AQI
57AQI
53AQI
71AQI
58AQI
78AQI
102AQI
78AQI
57AQI
47AQI
36AQI
74AQI
93AQI
87AQI
107AQI
119AQI
114AQI
105AQI
94AQI
77AQI
58AQI
73AQI
64AQI
71AQI
81AQI
89AQI
104AQI
107AQI
113AQI
120AQI
128AQI
91AQI
91AQI
58AQI
48AQI
43AQI
58AQI
77AQI
85AQI
79AQI
85AQI
71AQI
66AQI
70AQI
74AQI
68AQI
75AQI
87AQI
61AQI
61AQI
45AQI
56AQI
58AQI
67AQI
80AQI
47AQI
60AQI
50AQI
45AQI
36AQI
60AQI
62AQI
53AQI
41AQI
59AQI
69AQI
58AQI
58AQI
49AQI
48AQI
46AQI
51AQI
39AQI
53AQI
60AQI
49AQI
59AQI
70AQI
69AQI
73AQI
72AQI
69AQI
52AQI
50AQI
58AQI
62AQI
43AQI
50AQI
48AQI
62AQI
47AQI
50AQI
64AQI
74AQI
79AQI
79AQI
78AQI
82AQI
83AQI
90AQI
73AQI
57AQI
58AQI
59AQI
68AQI
56AQI
64AQI
49AQI
52AQI
61AQI
71AQI
57AQI
54AQI
64AQI
64AQI
67AQI
64AQI
48AQI
56AQI
63AQI
69AQI
63AQI
51AQI
56AQI
61AQI
61AQI
49AQI
46AQI
44AQI
38AQI
51AQI
48AQI
47AQI
50AQI
66AQI
66AQI
56AQI
49AQI
48AQI
47AQI
59AQI
53AQI
42AQI
49AQI
38AQI
40AQI
35AQI
39AQI
39AQI
37AQI
42AQI
46AQI
54AQI
47AQI
47AQI
60AQI
66AQI
60AQI
59AQI
59AQI
62AQI
61AQI
49AQI
51AQI
45AQI
49AQI
54AQI
54AQI
51AQI
57AQI
51AQI
40AQI
42AQI
39AQI
37AQI
41AQI
50AQI
43AQI
45AQI
46AQI
46AQI
48AQI
51AQI
48AQI
44AQI
50AQI
52AQI
46AQI
44AQI
50AQI
41AQI
49AQI
52AQI
38AQI
35AQI
38AQI
41AQI
47AQI
53AQI
50AQI
51AQI
48AQI
39AQI
43AQI
45AQI
48AQI
77AQI
62AQI
83AQI
64AQI
59AQI
61AQI
49AQI
49AQI
45AQI
No. of days
202562AQI
Highest AQI recorded in
March83AQI
Lowest AQI recorded in
September45AQI
202458AQI
Highest AQI recorded in
January74AQI
Lowest AQI recorded in
September38AQI
202362AQI
Highest AQI recorded in
March90AQI
Lowest AQI recorded in
September41AQI
202261AQI
Highest AQI recorded in
February81AQI
Lowest AQI recorded in
August33AQI
202160AQI
Highest AQI recorded in
March89AQI
Lowest AQI recorded in
September32AQI
202063AQI
Highest AQI recorded in
December78AQI
Lowest AQI recorded in
September46AQI
Most & Least Polluted Years Over the Last 6 Years
Uiwang's annual 2025 AQI (62) shows an average percentage change of 1.4% (worsened AQI) compared to previous years: 2020 (63), 2021 (60), 2022 (61), 2023 (62), 2024 (58).