Yeongcheonsi, Gyeongsan, Gyeongbuk, 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
Yeongcheonsi, Gyeongsan, Gyeongbuk, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (27th 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 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 27th Sep - 28th Sep 2025
Yeongcheonsi, Gyeongsan, Gyeongbuk, South Korea
6 AM27th Sep 2025
6 PM
5 AM28th Sep 2025
AQI
AQI
56AQI
22AQI
In the last 24 hours,
Yeongcheonsi's AQI reached its highest point of 56 at 7 PM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 27th Sep and 28th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Yeongcheonsi, Gyeongsan, Gyeongbuk, South Korea
27°C21/34°C
28°C21/36°C
26°C21/32°C
27°C22/33°C
26°C21/32°C
24°C19/30°C
24°C19/30°C
25°C20/32°C
26°C20/33°C
25°C22/30°C
23°C18/31°C
19°C16/22°C
20°C17/26°C
21°C16/27°C
21°C18/25°C
22°C17/28°C
22°C18/28°C
24°C19/31°C
24°C19/32°C
24°C21/30°C
19°C15/22°C
18°C15/21°C
18°C15/24°C
18°C13/23°C
17°C13/24°C
18°C13/25°C
21°C15/28°C
21°C20/23°C
21°C16/28°C
--°C/°C
--°C/°C
40AQI
33AQI
40AQI
37AQI
2025 Days Vs Air Quality
Yeongcheonsi, Gyeongsan, Gyeongbuk, South Korea
43%
117
55%
148
2%
5
Total number of days with different AQI categories in last 270 days in 2025 (95 days remaining)
Under WHO’s Safe Air Quality Limits: 43%
Health Risk Level:
Significant
In 2025, 43% of 270 days were within WHO’s safe air quality limits, and 57% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Yeongcheonsi, Gyeongsan, Gyeongbuk, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
61AQI
60AQI
48AQI
49AQI
63AQI
91AQI
50AQI
58AQI
38AQI
43AQI
48AQI
62AQI
74AQI
84AQI
49AQI
58AQI
78AQI
81AQI
72AQI
105AQI
125AQI
133AQI
113AQI
89AQI
66AQI
51AQI
60AQI
40AQI
50AQI
54AQI
70AQI
69AQI
65AQI
57AQI
44AQI
42AQI
40AQI
46AQI
35AQI
41AQI
46AQI
63AQI
71AQI
44AQI
67AQI
53AQI
86AQI
45AQI
50AQI
40AQI
44AQI
41AQI
48AQI
48AQI
48AQI
47AQI
74AQI
66AQI
65AQI
77AQI
79AQI
50AQI
49AQI
38AQI
38AQI
45AQI
52AQI
68AQI
66AQI
82AQI
74AQI
60AQI
53AQI
39AQI
46AQI
54AQI
57AQI
74AQI
66AQI
73AQI
68AQI
81AQI
85AQI
111AQI
90AQI
89AQI
81AQI
53AQI
48AQI
60AQI
62AQI
49AQI
52AQI
60AQI
57AQI
56AQI
52AQI
66AQI
71AQI
74AQI
67AQI
67AQI
56AQI
48AQI
43AQI
61AQI
58AQI
76AQI
54AQI
48AQI
49AQI
51AQI
35AQI
57AQI
59AQI
51AQI
48AQI
51AQI
57AQI
61AQI
52AQI
47AQI
48AQI
44AQI
46AQI
45AQI
52AQI
57AQI
42AQI
32AQI
52AQI
56AQI
69AQI
69AQI
63AQI
58AQI
51AQI
57AQI
59AQI
59AQI
52AQI
57AQI
59AQI
39AQI
40AQI
55AQI
62AQI
72AQI
61AQI
52AQI
49AQI
62AQI
77AQI
70AQI
48AQI
45AQI
60AQI
64AQI
73AQI
71AQI
67AQI
52AQI
67AQI
65AQI
41AQI
58AQI
52AQI
60AQI
64AQI
66AQI
44AQI
37AQI
22AQI
43AQI
47AQI
49AQI
54AQI
57AQI
66AQI
59AQI
51AQI
52AQI
43AQI
53AQI
60AQI
54AQI
56AQI
63AQI
58AQI
50AQI
52AQI
51AQI
50AQI
53AQI
51AQI
49AQI
57AQI
52AQI
49AQI
35AQI
51AQI
45AQI
47AQI
55AQI
60AQI
52AQI
51AQI
46AQI
49AQI
52AQI
56AQI
54AQI
54AQI
60AQI
63AQI
53AQI
50AQI
48AQI
51AQI
56AQI
63AQI
52AQI
53AQI
41AQI
38AQI
38AQI
39AQI
40AQI
39AQI
49AQI
45AQI
46AQI
47AQI
50AQI
47AQI
52AQI
49AQI
43AQI
46AQI
50AQI
47AQI
47AQI
51AQI
38AQI
44AQI
44AQI
36AQI
32AQI
37AQI
37AQI
45AQI
39AQI
41AQI
41AQI
40AQI
35AQI
40AQI
46AQI
45AQI
37AQI
30AQI
28AQI
27AQI
24AQI
25AQI
24AQI
36AQI
27AQI
36AQI
29AQI
68AQI
53AQI
65AQI
57AQI
53AQI
56AQI
52AQI
49AQI
36AQI
No. of days
202555AQI
Highest AQI recorded in
January68AQI
Lowest AQI recorded in
September36AQI
202453AQI
Highest AQI recorded in
April72AQI
Lowest AQI recorded in
September37AQI
202368AQI
Highest AQI recorded in
March81AQI
Lowest AQI recorded in
September56AQI
202261AQI
Highest AQI recorded in
November75AQI
Lowest AQI recorded in
August40AQI
202159AQI
Highest AQI recorded in
June72AQI
Lowest AQI recorded in
September36AQI
202059AQI
Highest AQI recorded in
November73AQI
Lowest AQI recorded in
July45AQI
Most & Least Polluted Years Over the Last 6 Years
Yeongcheonsi's annual 2025 AQI (55) shows an average percentage change of -8.7% (improved AQI) compared to previous years: 2020 (59), 2021 (59), 2022 (61), 2023 (68), 2024 (53).