Nantong, Jiangsu, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Nantong, Jiangsu, China
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 55 of Moderate air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Nantong, Jiangsu, China
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
AQI
AQI
62AQI
51AQI
In the last 24 hours,
Nantong's AQI reached its highest point of 62 at 8 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Nantong, Jiangsu, China
30°C26/35°C
31°C26/36°C
31°C27/36°C
29°C26/33°C
29°C26/32°C
28°C26/32°C
28°C26/32°C
27°C25/30°C
27°C25/30°C
28°C25/33°C
28°C25/33°C
29°C25/34°C
30°C26/35°C
29°C25/34°C
27°C25/31°C
29°C25/33°C
29°C27/32°C
29°C27/32°C
29°C27/32°C
29°C26/32°C
28°C25/32°C
28°C25/32°C
29°C27/31°C
29°C26/32°C
28°C25/31°C
28°C25/32°C
26°C24/27°C
26°C24/29°C
29°C26/32°C
--°C/°C
--°C/°C
55AQI
49AQI
54AQI
54AQI
2025 Days Vs Air Quality
Nantong, Jiangsu, China
11%
23
63%
134
23%
50
3%
6
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 11%
Health Risk Level:
Extreme
In 2025, 11% of 214 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, Jiangsu, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
111AQI
88AQI
98AQI
84AQI
144AQI
128AQI
120AQI
127AQI
72AQI
86AQI
110AQI
119AQI
138AQI
151AQI
85AQI
121AQI
120AQI
130AQI
154AQI
175AQI
165AQI
111AQI
103AQI
81AQI
69AQI
87AQI
74AQI
91AQI
119AQI
94AQI
108AQI
65AQI
110AQI
106AQI
111AQI
107AQI
84AQI
74AQI
67AQI
81AQI
95AQI
70AQI
136AQI
77AQI
92AQI
76AQI
143AQI
73AQI
104AQI
77AQI
69AQI
71AQI
91AQI
93AQI
107AQI
136AQI
150AQI
165AQI
136AQI
124AQI
121AQI
68AQI
66AQI
58AQI
80AQI
84AQI
121AQI
85AQI
88AQI
112AQI
72AQI
81AQI
63AQI
64AQI
79AQI
78AQI
67AQI
85AQI
110AQI
99AQI
104AQI
114AQI
106AQI
118AQI
130AQI
112AQI
89AQI
97AQI
71AQI
72AQI
76AQI
112AQI
80AQI
89AQI
108AQI
111AQI
111AQI
122AQI
140AQI
116AQI
136AQI
157AQI
101AQI
81AQI
79AQI
78AQI
88AQI
95AQI
99AQI
72AQI
81AQI
77AQI
103AQI
101AQI
72AQI
69AQI
73AQI
72AQI
80AQI
85AQI
79AQI
82AQI
70AQI
54AQI
70AQI
97AQI
83AQI
72AQI
56AQI
64AQI
72AQI
76AQI
77AQI
80AQI
104AQI
64AQI
92AQI
70AQI
86AQI
79AQI
64AQI
76AQI
50AQI
88AQI
74AQI
84AQI
68AQI
71AQI
85AQI
90AQI
90AQI
57AQI
47AQI
76AQI
102AQI
77AQI
80AQI
72AQI
43AQI
58AQI
55AQI
56AQI
51AQI
44AQI
64AQI
50AQI
56AQI
63AQI
63AQI
61AQI
56AQI
49AQI
32AQI
37AQI
41AQI
57AQI
64AQI
59AQI
55AQI
57AQI
57AQI
52AQI
58AQI
59AQI
63AQI
67AQI
67AQI
55AQI
47AQI
48AQI
69AQI
57AQI
52AQI
59AQI
60AQI
71AQI
72AQI
65AQI
58AQI
52AQI
48AQI
44AQI
43AQI
40AQI
47AQI
47AQI
39AQI
38AQI
39AQI
38AQI
34AQI
40AQI
55AQI
112AQI
99AQI
91AQI
95AQI
76AQI
58AQI
53AQI
55AQI
No. of days
202583AQI
Highest AQI recorded in
January112AQI
Lowest AQI recorded in
July53AQI
202474AQI
Highest AQI recorded in
January124AQI
Lowest AQI recorded in
September43AQI
202383AQI
Highest AQI recorded in
December122AQI
Lowest AQI recorded in
August48AQI
202284AQI
Highest AQI recorded in
January112AQI
Lowest AQI recorded in
September62AQI
202187AQI
Highest AQI recorded in
January117AQI
Lowest AQI recorded in
September58AQI
202084AQI
Highest AQI recorded in
December119AQI
Lowest AQI recorded in
July66AQI
Most & Least Polluted Years Over the Last 6 Years
Nantong's annual 2025 AQI (83) shows an average percentage change of 1.2% (worsened AQI) compared to previous years: 2020 (84), 2021 (87), 2022 (84), 2023 (83), 2024 (74).