Anyang, Gyeonggi, South Korea Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Anyang, Gyeonggi, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 38 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Anyang, Gyeonggi, South Korea
6 AM4th Oct 2025
6 PM
5 AM5th Oct 2025
40AQI
36AQI
54AQI
35AQI
In the last 24 hours,
Anyang's AQI reached its highest point of 54 at 10 PM during the Night, while the lowest point, 35, was recorded at 5 AM during the Night between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Anyang, Gyeonggi, South Korea
27°C22/33°C
27°C24/32°C
26°C23/29°C
25°C21/31°C
25°C22/28°C
25°C19/31°C
26°C20/32°C
24°C21/29°C
22°C20/26°C
24°C20/29°C
26°C21/31°C
24°C22/28°C
22°C19/24°C
21°C19/24°C
19°C17/22°C
18°C17/21°C
21°C16/26°C
21°C17/25°C
22°C19/27°C
21°C19/23°C
22°C20/27°C
22°C18/28°C
23°C21/28°C
20°C18/21°C
20°C17/25°C
21°C17/25°C
21°C17/26°C
22°C18/27°C
21°C19/23°C
21°C19/24°C
--°C/°C
44AQI
42AQI
47AQI
44AQI
2025 Days Vs Air Quality
Anyang, Gyeonggi, South Korea
28%
77
66%
183
6%
17
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 28%
Health Risk Level:
Very high
In 2025, 28% of 278 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Anyang, Gyeonggi, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
77AQI
56AQI
61AQI
60AQI
70AQI
102AQI
57AQI
72AQI
44AQI
55AQI
58AQI
74AQI
87AQI
99AQI
55AQI
75AQI
80AQI
77AQI
81AQI
131AQI
134AQI
148AQI
111AQI
103AQI
62AQI
52AQI
64AQI
57AQI
57AQI
48AQI
72AQI
78AQI
82AQI
53AQI
50AQI
43AQI
53AQI
46AQI
43AQI
46AQI
56AQI
70AQI
74AQI
50AQI
93AQI
57AQI
112AQI
51AQI
61AQI
47AQI
55AQI
54AQI
57AQI
53AQI
57AQI
56AQI
71AQI
59AQI
79AQI
101AQI
76AQI
56AQI
45AQI
37AQI
74AQI
96AQI
88AQI
109AQI
118AQI
114AQI
101AQI
97AQI
77AQI
62AQI
76AQI
65AQI
74AQI
79AQI
93AQI
107AQI
112AQI
114AQI
123AQI
132AQI
96AQI
98AQI
59AQI
50AQI
45AQI
62AQI
80AQI
85AQI
83AQI
80AQI
70AQI
70AQI
76AQI
82AQI
74AQI
82AQI
93AQI
68AQI
64AQI
50AQI
59AQI
66AQI
72AQI
89AQI
56AQI
69AQI
54AQI
48AQI
36AQI
68AQI
60AQI
58AQI
44AQI
64AQI
66AQI
61AQI
59AQI
53AQI
51AQI
49AQI
55AQI
44AQI
56AQI
66AQI
51AQI
62AQI
75AQI
76AQI
75AQI
74AQI
72AQI
58AQI
53AQI
59AQI
62AQI
40AQI
48AQI
51AQI
65AQI
48AQI
51AQI
67AQI
81AQI
89AQI
82AQI
82AQI
88AQI
89AQI
98AQI
79AQI
58AQI
61AQI
58AQI
69AQI
56AQI
65AQI
55AQI
56AQI
63AQI
76AQI
62AQI
59AQI
67AQI
68AQI
71AQI
66AQI
51AQI
59AQI
66AQI
71AQI
63AQI
54AQI
57AQI
65AQI
65AQI
52AQI
50AQI
46AQI
44AQI
52AQI
51AQI
49AQI
52AQI
65AQI
65AQI
56AQI
53AQI
50AQI
48AQI
60AQI
55AQI
46AQI
51AQI
41AQI
45AQI
37AQI
40AQI
41AQI
38AQI
42AQI
46AQI
56AQI
48AQI
47AQI
64AQI
67AQI
63AQI
62AQI
60AQI
61AQI
61AQI
50AQI
52AQI
46AQI
50AQI
56AQI
55AQI
54AQI
57AQI
52AQI
42AQI
45AQI
42AQI
40AQI
42AQI
51AQI
46AQI
47AQI
47AQI
48AQI
50AQI
54AQI
51AQI
46AQI
51AQI
53AQI
47AQI
47AQI
51AQI
42AQI
51AQI
52AQI
40AQI
39AQI
41AQI
41AQI
48AQI
55AQI
51AQI
51AQI
49AQI
42AQI
44AQI
46AQI
43AQI
37AQI
31AQI
31AQI
27AQI
24AQI
25AQI
26AQI
28AQI
42AQI
63AQI
54AQI
43AQI
55AQI
57AQI
66AQI
58AQI
62AQI
38AQI
77AQI
61AQI
85AQI
68AQI
63AQI
64AQI
51AQI
50AQI
43AQI
56AQI
No. of days
202562AQI
Highest AQI recorded in
March85AQI
Lowest AQI recorded in
September43AQI
202464AQI
Highest AQI recorded in
April77AQI
Lowest AQI recorded in
July47AQI
202367AQI
Highest AQI recorded in
March96AQI
Lowest AQI recorded in
August50AQI
202268AQI
Highest AQI recorded in
February82AQI
Lowest AQI recorded in
August27AQI
202166AQI
Highest AQI recorded in
March95AQI
Lowest AQI recorded in
September33AQI
202064AQI
Highest AQI recorded in
November79AQI
Lowest AQI recorded in
August42AQI
Most & Least Polluted Years Over the Last 6 Years
Anyang's annual 2025 AQI (62) shows an average percentage change of -5.3% (improved AQI) compared to previous years: 2020 (64), 2021 (66), 2022 (68), 2023 (67), 2024 (64).