Yangpyeong-gun, Gyeonggi-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
Yangpyeong-gun, Gyeonggi-do, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (29th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 50 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 30th Sep - 1st Oct 2025
Yangpyeong-gun, Gyeonggi-do, South Korea
6 AM30th Sep 2025
6 PM
5 AM1st Oct 2025
AQI
AQI
74AQI
49AQI
In the last 24 hours,
Yangpyeong-gun's AQI reached its highest point of 74 at 11 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 30th Sep and 1st Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Yangpyeong-gun, Gyeonggi-do, South Korea
24°C21/28°C
24°C22/30°C
24°C18/31°C
22°C20/26°C
24°C19/31°C
25°C20/30°C
24°C20/28°C
22°C18/29°C
23°C19/26°C
21°C15/30°C
22°C15/31°C
21°C18/27°C
21°C19/23°C
22°C19/27°C
22°C17/28°C
22°C18/27°C
21°C18/24°C
19°C17/22°C
16°C14/18°C
17°C16/20°C
19°C14/25°C
18°C13/24°C
19°C15/25°C
20°C16/23°C
20°C18/25°C
19°C14/26°C
20°C15/25°C
19°C16/19°C
18°C16/23°C
--°C/°C
--°C/°C
43AQI
36AQI
44AQI
39AQI
2025 Days Vs Air Quality
Yangpyeong-gun, Gyeonggi-do, South Korea
56%
69
44%
55
Total number of days with different AQI categories in last 273 days in 2025 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 56%
Health Risk Level:
Considerable
In 2025, 56% of 273 days were within WHO’s safe air quality limits, and 44% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Yangpyeong-gun, Gyeonggi-do, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
80AQI
58AQI
68AQI
78AQI
88AQI
69AQI
53AQI
60AQI
59AQI
71AQI
61AQI
65AQI
58AQI
56AQI
58AQI
67AQI
53AQI
59AQI
62AQI
62AQI
66AQI
65AQI
52AQI
54AQI
55AQI
59AQI
53AQI
48AQI
51AQI
58AQI
59AQI
52AQI
50AQI
46AQI
42AQI
53AQI
53AQI
51AQI
54AQI
60AQI
61AQI
55AQI
52AQI
48AQI
48AQI
57AQI
48AQI
43AQI
48AQI
38AQI
40AQI
34AQI
37AQI
39AQI
37AQI
39AQI
46AQI
53AQI
46AQI
42AQI
58AQI
61AQI
55AQI
52AQI
58AQI
62AQI
62AQI
51AQI
52AQI
46AQI
46AQI
54AQI
56AQI
49AQI
56AQI
49AQI
41AQI
40AQI
42AQI
41AQI
40AQI
51AQI
45AQI
45AQI
46AQI
47AQI
47AQI
50AQI
50AQI
45AQI
48AQI
52AQI
47AQI
47AQI
50AQI
43AQI
48AQI
50AQI
37AQI
41AQI
40AQI
41AQI
48AQI
50AQI
48AQI
48AQI
49AQI
41AQI
43AQI
45AQI
46AQI
35AQI
29AQI
30AQI
26AQI
24AQI
25AQI
26AQI
29AQI
40AQI
49AQI
50AQI
32AQI
50AQI
69AQI
60AQI
48AQI
49AQI
40AQI
No. of days
202550AQI
Highest AQI recorded in
May69AQI
Lowest AQI recorded in
September40AQI
Most & Least Polluted Years Over the Last 1 Years
Yangpyeong-gun's annual 2025 AQI (50) shows an average percentage change of NaN% (improved AQI) compared to previous years: .