Daeya Dong, Bucheon, 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
Daeya Dong, Bucheon, Gyeonggi, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (17th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 44 of Good air quality, showing improvement over 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Sep - 18th Sep 2025
Daeya Dong, Bucheon, Gyeonggi, South Korea
6 AM17th Sep 2025
7 PM
5 AM18th Sep 2025
AQI
AQI
52AQI
18AQI
In the last 24 hours,
Daeya Dong's AQI reached its highest point of 52 at 6 AM during the Night, while the lowest point, 18, was recorded at 4 PM during the Night between 17th Sep and 18th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Daeya Dong, Bucheon, Gyeonggi, South Korea
28°C25/31°C
28°C25/31°C
28°C26/32°C
28°C26/31°C
28°C26/32°C
29°C26/32°C
29°C27/32°C
27°C25/29°C
27°C24/31°C
27°C25/31°C
27°C25/30°C
28°C25/31°C
28°C25/31°C
26°C24/29°C
26°C23/29°C
27°C24/32°C
25°C23/29°C
27°C24/32°C
27°C25/31°C
26°C24/29°C
25°C23/29°C
25°C23/28°C
26°C21/31°C
27°C22/32°C
25°C21/29°C
23°C21/27°C
24°C22/27°C
26°C22/30°C
25°C24/28°C
--°C/°C
--°C/°C
49AQI
44AQI
48AQI
47AQI
2025 Days Vs Air Quality
Daeya Dong, Bucheon, Gyeonggi, South Korea
34%
88
60%
157
6%
15
Total number of days with different AQI categories in last 260 days in 2025 (105 days remaining)
Under WHO’s Safe Air Quality Limits: 34%
Health Risk Level:
High
In 2025, 34% 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
Daeya Dong, Bucheon, Gyeonggi, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
75AQI
54AQI
57AQI
60AQI
70AQI
101AQI
54AQI
69AQI
40AQI
49AQI
55AQI
72AQI
84AQI
96AQI
53AQI
73AQI
73AQI
76AQI
75AQI
128AQI
126AQI
146AQI
105AQI
108AQI
65AQI
56AQI
64AQI
57AQI
56AQI
44AQI
69AQI
80AQI
80AQI
52AQI
47AQI
40AQI
53AQI
43AQI
38AQI
44AQI
53AQI
70AQI
76AQI
54AQI
92AQI
58AQI
109AQI
47AQI
57AQI
42AQI
50AQI
47AQI
53AQI
48AQI
51AQI
50AQI
66AQI
58AQI
79AQI
101AQI
80AQI
54AQI
45AQI
36AQI
70AQI
91AQI
85AQI
103AQI
114AQI
108AQI
97AQI
96AQI
74AQI
56AQI
69AQI
62AQI
72AQI
76AQI
88AQI
97AQI
107AQI
111AQI
111AQI
128AQI
94AQI
95AQI
56AQI
46AQI
38AQI
56AQI
71AQI
78AQI
80AQI
77AQI
61AQI
64AQI
70AQI
74AQI
70AQI
79AQI
86AQI
65AQI
61AQI
42AQI
55AQI
61AQI
68AQI
81AQI
47AQI
63AQI
51AQI
44AQI
31AQI
65AQI
57AQI
54AQI
38AQI
58AQI
66AQI
56AQI
58AQI
47AQI
46AQI
46AQI
50AQI
38AQI
55AQI
60AQI
51AQI
60AQI
73AQI
73AQI
74AQI
70AQI
64AQI
56AQI
49AQI
53AQI
59AQI
37AQI
42AQI
50AQI
62AQI
46AQI
46AQI
67AQI
80AQI
91AQI
80AQI
87AQI
89AQI
86AQI
94AQI
73AQI
55AQI
56AQI
56AQI
65AQI
52AQI
60AQI
49AQI
55AQI
68AQI
76AQI
64AQI
56AQI
70AQI
67AQI
68AQI
66AQI
45AQI
60AQI
64AQI
72AQI
60AQI
51AQI
55AQI
67AQI
64AQI
47AQI
44AQI
39AQI
37AQI
47AQI
50AQI
47AQI
50AQI
70AQI
71AQI
60AQI
53AQI
47AQI
47AQI
62AQI
53AQI
41AQI
51AQI
36AQI
39AQI
34AQI
37AQI
35AQI
33AQI
39AQI
48AQI
61AQI
56AQI
47AQI
67AQI
69AQI
72AQI
65AQI
59AQI
62AQI
61AQI
51AQI
52AQI
49AQI
47AQI
53AQI
52AQI
46AQI
57AQI
52AQI
43AQI
42AQI
41AQI
39AQI
42AQI
52AQI
49AQI
48AQI
49AQI
48AQI
50AQI
51AQI
48AQI
44AQI
50AQI
51AQI
45AQI
43AQI
49AQI
40AQI
48AQI
51AQI
38AQI
37AQI
40AQI
44AQI
50AQI
52AQI
50AQI
52AQI
51AQI
42AQI
44AQI
48AQI
44AQI
44AQI
75AQI
58AQI
81AQI
62AQI
60AQI
62AQI
50AQI
49AQI
46AQI
No. of days
202561AQI
Highest AQI recorded in
March81AQI
Lowest AQI recorded in
September46AQI
202465AQI
Highest AQI recorded in
April87AQI
Lowest AQI recorded in
September40AQI
202373AQI
Highest AQI recorded in
March95AQI
Lowest AQI recorded in
September57AQI
202272AQI
Highest AQI recorded in
November89AQI
Lowest AQI recorded in
August32AQI
202172AQI
Highest AQI recorded in
March97AQI
Lowest AQI recorded in
September45AQI
202067AQI
Highest AQI recorded in
December80AQI
Lowest AQI recorded in
September52AQI
Most & Least Polluted Years Over the Last 6 Years
Daeya Dong's annual 2025 AQI (61) shows an average percentage change of -12.02% (improved AQI) compared to previous years: 2020 (67), 2021 (72), 2022 (72), 2023 (73), 2024 (65).