Uiseong-gun, Gyeongsangbuk-do, 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
Uiseong-gun, Gyeongsangbuk-do, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (20th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 30 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Sep - 22nd Sep 2025
Uiseong-gun, Gyeongsangbuk-do, South Korea
6 AM21st Sep 2025
6 PM
5 AM22nd Sep 2025
AQI
AQI
33AQI
19AQI
In the last 24 hours,
Uiseong-gun's AQI reached its highest point of 33 at 6 AM during the Night, while the lowest point, 19, was recorded at 3 PM during the Night between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Uiseong-gun, Gyeongsangbuk-do, South Korea
28°C22/35°C
28°C23/35°C
28°C23/34°C
26°C22/32°C
25°C20/33°C
26°C21/33°C
27°C23/34°C
27°C23/34°C
27°C22/34°C
26°C21/33°C
24°C20/30°C
24°C19/31°C
23°C19/29°C
25°C21/33°C
26°C22/32°C
25°C21/30°C
23°C17/31°C
19°C17/21°C
20°C17/27°C
21°C17/29°C
21°C18/25°C
22°C18/27°C
22°C18/28°C
24°C19/31°C
25°C20/31°C
24°C20/29°C
19°C16/21°C
17°C15/20°C
18°C15/22°C
--°C/°C
--°C/°C
43AQI
37AQI
43AQI
40AQI
2025 Days Vs Air Quality
Uiseong-gun, Gyeongsangbuk-do, South Korea
46%
53
54%
62
Total number of days with different AQI categories in last 264 days in 2025 (101 days remaining)
Under WHO’s Safe Air Quality Limits: 46%
Health Risk Level:
Significant
In 2025, 46% of 264 days were within WHO’s safe air quality limits, and 54% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Uiseong-gun, Gyeongsangbuk-do, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
74AQI
61AQI
61AQI
66AQI
81AQI
74AQI
58AQI
59AQI
61AQI
67AQI
69AQI
73AQI
68AQI
62AQI
64AQI
68AQI
55AQI
62AQI
58AQI
61AQI
65AQI
67AQI
59AQI
52AQI
51AQI
54AQI
55AQI
52AQI
55AQI
56AQI
58AQI
53AQI
50AQI
52AQI
49AQI
54AQI
57AQI
54AQI
55AQI
59AQI
60AQI
57AQI
54AQI
55AQI
54AQI
55AQI
54AQI
47AQI
53AQI
51AQI
49AQI
43AQI
49AQI
51AQI
46AQI
49AQI
54AQI
53AQI
51AQI
49AQI
48AQI
53AQI
53AQI
53AQI
52AQI
60AQI
60AQI
50AQI
49AQI
46AQI
48AQI
52AQI
57AQI
52AQI
51AQI
41AQI
38AQI
37AQI
36AQI
37AQI
40AQI
48AQI
44AQI
45AQI
45AQI
48AQI
49AQI
51AQI
48AQI
41AQI
45AQI
50AQI
45AQI
44AQI
48AQI
40AQI
44AQI
46AQI
34AQI
36AQI
35AQI
36AQI
44AQI
44AQI
42AQI
42AQI
42AQI
35AQI
36AQI
41AQI
44AQI
35AQI
34AQI
33AQI
30AQI
65AQI
61AQI
52AQI
47AQI
39AQI
No. of days
202551AQI
Highest AQI recorded in
May65AQI
Lowest AQI recorded in
September39AQI
Most & Least Polluted Years Over the Last 1 Years
Uiseong-gun's annual 2025 AQI (51) shows an average percentage change of NaN% (improved AQI) compared to previous years: .