South Suburb, Nantong, Jiangsu, China 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
South Suburb, Nantong, Jiangsu, China
AQI Trends: Highest and Lowest
Same Day Analysis (17th October ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 43 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Oct - 18th Oct 2025
South Suburb, Nantong, Jiangsu, China
5 AM17th Oct 2025
5 PM
4 AM18th Oct 2025
52AQI
38AQI
74AQI
42AQI
In the last 24 hours,
South Suburb's AQI reached its highest point of 74 at 10 PM during the Night, while the lowest point, 38, was recorded at 12 PM during the Day between 17th Oct and 18th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
South Suburb, Nantong, Jiangsu, China
24°C23/27°C
25°C22/28°C
22°C21/24°C
23°C21/26°C
24°C21/28°C
26°C23/29°C
25°C24/27°C
25°C24/27°C
27°C24/30°C
25°C23/29°C
26°C24/31°C
23°C21/25°C
21°C21/22°C
23°C20/26°C
25°C23/30°C
23°C21/25°C
24°C21/27°C
26°C23/30°C
28°C25/32°C
25°C23/28°C
23°C21/27°C
23°C20/28°C
25°C22/29°C
26°C23/30°C
26°C23/29°C
24°C22/25°C
21°C20/21°C
24°C21/27°C
22°C21/24°C
23°C21/26°C
--°C/°C
62AQI
53AQI
65AQI
59AQI
2025 Days Vs Air Quality
South Suburb, Nantong, Jiangsu, China
13%
37
68%
196
17%
50
2%
7
Total number of days with different AQI categories in last 291 days in 2025 (74 days remaining)
Under WHO’s Safe Air Quality Limits: 13%
Health Risk Level:
Extreme
In 2025, 13% of 291 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
South Suburb, Nantong, Jiangsu, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
111AQI
89AQI
99AQI
85AQI
144AQI
128AQI
121AQI
127AQI
72AQI
86AQI
110AQI
120AQI
138AQI
152AQI
85AQI
122AQI
120AQI
130AQI
155AQI
175AQI
165AQI
111AQI
103AQI
80AQI
69AQI
88AQI
74AQI
91AQI
118AQI
95AQI
110AQI
65AQI
112AQI
107AQI
112AQI
108AQI
86AQI
75AQI
68AQI
81AQI
95AQI
71AQI
136AQI
77AQI
92AQI
76AQI
143AQI
73AQI
105AQI
77AQI
69AQI
72AQI
91AQI
94AQI
109AQI
136AQI
151AQI
165AQI
138AQI
124AQI
123AQI
68AQI
66AQI
59AQI
81AQI
84AQI
121AQI
86AQI
89AQI
112AQI
73AQI
81AQI
64AQI
64AQI
80AQI
79AQI
68AQI
85AQI
110AQI
99AQI
105AQI
114AQI
106AQI
117AQI
131AQI
111AQI
90AQI
97AQI
71AQI
73AQI
76AQI
113AQI
80AQI
90AQI
108AQI
113AQI
111AQI
123AQI
141AQI
114AQI
136AQI
158AQI
101AQI
81AQI
80AQI
78AQI
88AQI
95AQI
100AQI
72AQI
82AQI
76AQI
103AQI
101AQI
72AQI
68AQI
74AQI
72AQI
80AQI
85AQI
79AQI
82AQI
70AQI
55AQI
71AQI
96AQI
84AQI
72AQI
57AQI
64AQI
72AQI
76AQI
78AQI
80AQI
104AQI
63AQI
91AQI
71AQI
86AQI
78AQI
65AQI
75AQI
50AQI
88AQI
73AQI
84AQI
69AQI
71AQI
86AQI
90AQI
91AQI
57AQI
48AQI
77AQI
103AQI
77AQI
81AQI
72AQI
41AQI
58AQI
56AQI
56AQI
52AQI
44AQI
61AQI
51AQI
56AQI
64AQI
63AQI
61AQI
57AQI
50AQI
32AQI
38AQI
42AQI
56AQI
64AQI
59AQI
56AQI
58AQI
58AQI
52AQI
58AQI
60AQI
63AQI
67AQI
68AQI
56AQI
47AQI
47AQI
69AQI
57AQI
53AQI
59AQI
62AQI
70AQI
72AQI
66AQI
59AQI
52AQI
47AQI
44AQI
42AQI
39AQI
45AQI
48AQI
39AQI
37AQI
38AQI
40AQI
34AQI
39AQI
55AQI
55AQI
54AQI
56AQI
57AQI
57AQI
53AQI
56AQI
56AQI
52AQI
54AQI
57AQI
55AQI
47AQI
47AQI
49AQI
54AQI
53AQI
55AQI
58AQI
64AQI
61AQI
59AQI
58AQI
58AQI
58AQI
57AQI
55AQI
56AQI
53AQI
53AQI
58AQI
54AQI
59AQI
68AQI
64AQI
63AQI
73AQI
59AQI
54AQI
55AQI
56AQI
59AQI
60AQI
62AQI
62AQI
70AQI
64AQI
48AQI
50AQI
50AQI
48AQI
49AQI
48AQI
43AQI
43AQI
41AQI
45AQI
69AQI
53AQI
56AQI
79AQI
71AQI
63AQI
65AQI
65AQI
94AQI
67AQI
50AQI
55AQI
56AQI
69AQI
97AQI
103AQI
65AQI
64AQI
70AQI
43AQI
112AQI
99AQI
91AQI
96AQI
76AQI
58AQI
53AQI
55AQI
56AQI
69AQI
No. of days
202577AQI
Highest AQI recorded in
January112AQI
Lowest AQI recorded in
July53AQI
202468AQI
Highest AQI recorded in
January140AQI
Lowest AQI recorded in
July45AQI
2023123AQI
Highest AQI recorded in
December125AQI
Lowest AQI recorded in
November104AQI
2021110AQI
Highest AQI recorded in
January110AQI
Lowest AQI recorded in
January110AQI
202085AQI
Highest AQI recorded in
December119AQI
Lowest AQI recorded in
July66AQI
Most & Least Polluted Years Over the Last 5 Years
South Suburb's annual 2025 AQI (77) shows an average percentage change of -16.1% (improved AQI) compared to previous years: 2020 (85), 2021 (110), 2023 (123), 2024 (68).