Suji, Suwon, 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
Suji, Suwon, Gyeonggi, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 80 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Suji, Suwon, Gyeonggi, South Korea
6 AM4th Oct 2025
6 PM
5 AM5th Oct 2025
AQI
AQI
60AQI
41AQI
In the last 24 hours,
Suji's AQI reached its highest point of 60 at 7 PM during the Night, while the lowest point, 41, was recorded at 9 AM during the Night between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Suji, Suwon, Gyeonggi, South Korea
27°C22/32°C
27°C24/31°C
25°C23/29°C
24°C21/29°C
24°C21/28°C
25°C21/31°C
26°C21/31°C
23°C20/27°C
22°C20/25°C
24°C21/28°C
25°C21/30°C
24°C22/28°C
22°C20/25°C
21°C20/25°C
18°C17/20°C
19°C17/21°C
21°C17/26°C
19°C16/24°C
22°C19/26°C
21°C19/24°C
21°C19/25°C
22°C18/27°C
23°C19/28°C
20°C18/21°C
20°C18/23°C
20°C17/24°C
20°C18/25°C
21°C18/26°C
20°C18/22°C
--°C/°C
--°C/°C
47AQI
42AQI
48AQI
44AQI
2025 Days Vs Air Quality
Suji, Suwon, Gyeonggi, South Korea
31%
85
63%
173
6%
17
0.3%
1
Total number of days with different AQI categories in last 277 days in 2025 (88 days remaining)
Under WHO’s Safe Air Quality Limits: 31%
Health Risk Level:
High
In 2025, 31% of 277 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
Suji, Suwon, Gyeonggi, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
77AQI
60AQI
60AQI
62AQI
73AQI
102AQI
58AQI
73AQI
42AQI
58AQI
59AQI
80AQI
92AQI
101AQI
58AQI
74AQI
90AQI
82AQI
91AQI
130AQI
141AQI
153AQI
131AQI
102AQI
71AQI
52AQI
64AQI
58AQI
61AQI
54AQI
74AQI
79AQI
83AQI
57AQI
55AQI
46AQI
57AQI
51AQI
50AQI
52AQI
59AQI
79AQI
85AQI
53AQI
93AQI
60AQI
117AQI
53AQI
63AQI
49AQI
59AQI
56AQI
60AQI
56AQI
62AQI
58AQI
80AQI
59AQI
81AQI
106AQI
85AQI
57AQI
47AQI
37AQI
71AQI
91AQI
86AQI
110AQI
121AQI
116AQI
112AQI
95AQI
80AQI
58AQI
75AQI
64AQI
68AQI
82AQI
92AQI
109AQI
111AQI
120AQI
125AQI
131AQI
92AQI
90AQI
60AQI
49AQI
48AQI
57AQI
80AQI
88AQI
82AQI
87AQI
74AQI
69AQI
71AQI
79AQI
69AQI
76AQI
89AQI
63AQI
63AQI
49AQI
58AQI
60AQI
68AQI
79AQI
51AQI
58AQI
53AQI
43AQI
37AQI
59AQI
65AQI
55AQI
44AQI
58AQI
68AQI
59AQI
58AQI
47AQI
50AQI
45AQI
51AQI
42AQI
54AQI
63AQI
50AQI
58AQI
69AQI
70AQI
73AQI
74AQI
67AQI
52AQI
43AQI
57AQI
61AQI
46AQI
49AQI
47AQI
65AQI
50AQI
54AQI
60AQI
74AQI
77AQI
77AQI
69AQI
79AQI
82AQI
94AQI
73AQI
59AQI
59AQI
59AQI
72AQI
57AQI
66AQI
52AQI
53AQI
62AQI
76AQI
56AQI
58AQI
63AQI
64AQI
70AQI
67AQI
44AQI
52AQI
63AQI
66AQI
56AQI
47AQI
52AQI
61AQI
60AQI
46AQI
42AQI
44AQI
38AQI
53AQI
51AQI
50AQI
53AQI
66AQI
72AQI
58AQI
52AQI
50AQI
49AQI
61AQI
51AQI
41AQI
51AQI
37AQI
41AQI
32AQI
40AQI
41AQI
41AQI
44AQI
45AQI
53AQI
43AQI
42AQI
58AQI
67AQI
59AQI
58AQI
59AQI
62AQI
62AQI
48AQI
51AQI
44AQI
50AQI
55AQI
55AQI
52AQI
57AQI
49AQI
40AQI
41AQI
40AQI
39AQI
41AQI
51AQI
42AQI
46AQI
46AQI
46AQI
49AQI
51AQI
49AQI
44AQI
50AQI
52AQI
46AQI
45AQI
51AQI
41AQI
49AQI
51AQI
37AQI
37AQI
39AQI
41AQI
49AQI
52AQI
49AQI
49AQI
47AQI
38AQI
44AQI
44AQI
45AQI
36AQI
29AQI
34AQI
29AQI
25AQI
28AQI
29AQI
36AQI
40AQI
58AQI
56AQI
33AQI
58AQI
58AQI
67AQI
69AQI
80AQI
80AQI
65AQI
85AQI
65AQI
59AQI
61AQI
50AQI
49AQI
42AQI
72AQI
No. of days
202562AQI
Highest AQI recorded in
March85AQI
Lowest AQI recorded in
September42AQI
202461AQI
Highest AQI recorded in
January77AQI
Lowest AQI recorded in
September42AQI
202368AQI
Highest AQI recorded in
March97AQI
Lowest AQI recorded in
September45AQI
202266AQI
Highest AQI recorded in
February82AQI
Lowest AQI recorded in
August24AQI
202162AQI
Highest AQI recorded in
March92AQI
Lowest AQI recorded in
September32AQI
202056AQI
Highest AQI recorded in
December76AQI
Lowest AQI recorded in
September39AQI
Most & Least Polluted Years Over the Last 6 Years
Suji's annual 2025 AQI (62) shows an average percentage change of -0.3% (improved AQI) compared to previous years: 2020 (56), 2021 (62), 2022 (66), 2023 (68), 2024 (61).