Nantong, 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
Nantong, Nantong, Jiangsu, China
AQI Trends: Highest and Lowest
Same Day Analysis (20th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 54 of Moderate air quality, showing improvement over 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

2025 Days Vs Air Quality
Nantong, Nantong, Jiangsu, China
10%
30
70%
204
18%
53
2%
6
Total number of days with different AQI categories in last 294 days in 2025 (71 days remaining)
Under WHO’s Safe Air Quality Limits: 10%
Health Risk Level:
Extreme
In 2025, 10% of 294 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
Nantong, Nantong, Jiangsu, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
114AQI
90AQI
100AQI
87AQI
146AQI
130AQI
124AQI
130AQI
77AQI
89AQI
116AQI
122AQI
141AQI
154AQI
88AQI
124AQI
120AQI
132AQI
157AQI
177AQI
166AQI
114AQI
105AQI
82AQI
71AQI
90AQI
76AQI
95AQI
122AQI
98AQI
112AQI
68AQI
114AQI
109AQI
113AQI
110AQI
87AQI
75AQI
70AQI
83AQI
98AQI
75AQI
137AQI
79AQI
94AQI
76AQI
144AQI
75AQI
107AQI
80AQI
72AQI
74AQI
92AQI
96AQI
107AQI
137AQI
149AQI
166AQI
139AQI
129AQI
128AQI
70AQI
71AQI
61AQI
84AQI
87AQI
123AQI
89AQI
91AQI
116AQI
76AQI
84AQI
66AQI
67AQI
82AQI
80AQI
70AQI
89AQI
113AQI
102AQI
108AQI
117AQI
110AQI
123AQI
133AQI
115AQI
92AQI
99AQI
73AQI
74AQI
79AQI
116AQI
83AQI
92AQI
110AQI
113AQI
116AQI
126AQI
143AQI
119AQI
139AQI
160AQI
103AQI
85AQI
81AQI
81AQI
89AQI
98AQI
104AQI
73AQI
83AQI
76AQI
105AQI
101AQI
73AQI
70AQI
74AQI
73AQI
82AQI
87AQI
81AQI
85AQI
71AQI
57AQI
73AQI
97AQI
85AQI
74AQI
58AQI
66AQI
74AQI
77AQI
80AQI
82AQI
108AQI
64AQI
92AQI
70AQI
88AQI
81AQI
66AQI
77AQI
52AQI
93AQI
75AQI
86AQI
70AQI
73AQI
87AQI
93AQI
93AQI
59AQI
49AQI
78AQI
105AQI
79AQI
84AQI
75AQI
44AQI
59AQI
57AQI
57AQI
53AQI
47AQI
63AQI
52AQI
57AQI
65AQI
65AQI
63AQI
59AQI
54AQI
41AQI
44AQI
44AQI
57AQI
64AQI
61AQI
57AQI
59AQI
58AQI
54AQI
59AQI
62AQI
65AQI
68AQI
69AQI
60AQI
51AQI
52AQI
69AQI
59AQI
55AQI
60AQI
63AQI
70AQI
71AQI
67AQI
62AQI
55AQI
52AQI
48AQI
48AQI
44AQI
49AQI
50AQI
44AQI
44AQI
44AQI
43AQI
38AQI
42AQI
58AQI
56AQI
55AQI
53AQI
58AQI
58AQI
55AQI
58AQI
58AQI
54AQI
56AQI
58AQI
56AQI
50AQI
48AQI
50AQI
55AQI
54AQI
56AQI
58AQI
65AQI
63AQI
61AQI
60AQI
61AQI
59AQI
59AQI
57AQI
57AQI
55AQI
58AQI
60AQI
54AQI
62AQI
73AQI
67AQI
67AQI
75AQI
60AQI
53AQI
55AQI
57AQI
62AQI
62AQI
67AQI
65AQI
71AQI
65AQI
50AQI
53AQI
53AQI
48AQI
50AQI
51AQI
46AQI
47AQI
45AQI
43AQI
61AQI
52AQI
59AQI
87AQI
71AQI
64AQI
67AQI
66AQI
94AQI
72AQI
49AQI
54AQI
56AQI
68AQI
98AQI
101AQI
63AQI
64AQI
70AQI
46AQI
49AQI
53AQI
54AQI
114AQI
101AQI
94AQI
98AQI
78AQI
60AQI
55AQI
57AQI
58AQI
67AQI
No. of days
202579AQI
Highest AQI recorded in
January114AQI
Lowest AQI recorded in
July55AQI
202480AQI
Highest AQI recorded in
January130AQI
Lowest AQI recorded in
September46AQI
202390AQI
Highest AQI recorded in
December129AQI
Lowest AQI recorded in
August59AQI
202293AQI
Highest AQI recorded in
January121AQI
Lowest AQI recorded in
October72AQI
202198AQI
Highest AQI recorded in
January124AQI
Lowest AQI recorded in
September70AQI
202086AQI
Highest AQI recorded in
December119AQI
Lowest AQI recorded in
July67AQI
Most & Least Polluted Years Over the Last 6 Years
Nantong's annual 2025 AQI (79) shows an average percentage change of -11.7% (improved AQI) compared to previous years: 2020 (86), 2021 (98), 2022 (93), 2023 (90), 2024 (80).