Ling Tong Sub Station, Changshu, Jiangsu, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Ling Tong Sub Station, Changshu, Jiangsu, China
AQI Trends: Highest and Lowest
Same Day Analysis (16th September ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 60 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 16th Sep - 17th Sep 2025
Ling Tong Sub Station, Changshu, Jiangsu, China
5 AM16th Sep 2025
6 PM
4 AM17th Sep 2025
77AQI
52AQI
65AQI
58AQI
In the last 24 hours,
Ling Tong Sub Station's AQI reached its highest point of 77 at 5 PM during the Day, while the lowest point, 52, was recorded at 9 AM during the Day between 16th Sep and 17th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Ling Tong Sub Station, Changshu, Jiangsu, China
29°C25/34°C
30°C26/36°C
30°C26/35°C
30°C26/36°C
30°C26/36°C
30°C27/35°C
31°C27/36°C
30°C24/37°C
29°C25/34°C
30°C25/35°C
30°C26/35°C
30°C26/35°C
30°C27/35°C
28°C24/35°C
27°C25/32°C
26°C24/30°C
28°C24/33°C
28°C25/33°C
29°C26/35°C
30°C26/36°C
29°C26/33°C
29°C26/34°C
25°C24/29°C
25°C23/29°C
26°C23/30°C
27°C24/33°C
27°C24/30°C
27°C25/31°C
28°C25/34°C
29°C25/36°C
--°C/°C
60AQI
58AQI
58AQI
58AQI
2025 Days Vs Air Quality
Ling Tong Sub Station, Changshu, Jiangsu, China
10%
26
70%
181
19%
48
2%
4
Total number of days with different AQI categories in last 260 days in 2025 (105 days remaining)
Under WHO’s Safe Air Quality Limits: 10%
Health Risk Level:
Extreme
In 2025, 10% of 260 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
Ling Tong Sub Station, Changshu, Jiangsu, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
120AQI
96AQI
109AQI
91AQI
144AQI
125AQI
122AQI
125AQI
72AQI
87AQI
108AQI
112AQI
138AQI
150AQI
84AQI
112AQI
117AQI
127AQI
146AQI
169AQI
169AQI
120AQI
105AQI
87AQI
72AQI
85AQI
63AQI
81AQI
112AQI
96AQI
101AQI
63AQI
115AQI
105AQI
122AQI
100AQI
85AQI
73AQI
64AQI
79AQI
92AQI
72AQI
136AQI
79AQI
98AQI
79AQI
131AQI
82AQI
94AQI
82AQI
68AQI
71AQI
98AQI
111AQI
123AQI
149AQI
150AQI
160AQI
122AQI
111AQI
105AQI
68AQI
65AQI
62AQI
76AQI
84AQI
124AQI
84AQI
111AQI
105AQI
80AQI
78AQI
65AQI
66AQI
76AQI
73AQI
68AQI
86AQI
101AQI
87AQI
93AQI
96AQI
98AQI
105AQI
124AQI
104AQI
89AQI
99AQI
72AQI
72AQI
75AQI
104AQI
78AQI
90AQI
108AQI
109AQI
105AQI
109AQI
128AQI
123AQI
122AQI
162AQI
99AQI
84AQI
79AQI
79AQI
89AQI
96AQI
107AQI
77AQI
86AQI
84AQI
90AQI
106AQI
73AQI
71AQI
74AQI
79AQI
76AQI
85AQI
77AQI
81AQI
75AQI
59AQI
74AQI
94AQI
86AQI
72AQI
56AQI
65AQI
71AQI
75AQI
77AQI
79AQI
115AQI
71AQI
87AQI
75AQI
85AQI
79AQI
60AQI
83AQI
53AQI
89AQI
76AQI
81AQI
68AQI
72AQI
76AQI
84AQI
88AQI
61AQI
48AQI
76AQI
92AQI
75AQI
75AQI
74AQI
46AQI
65AQI
56AQI
61AQI
57AQI
44AQI
59AQI
50AQI
53AQI
62AQI
63AQI
59AQI
56AQI
53AQI
42AQI
46AQI
49AQI
59AQI
59AQI
54AQI
53AQI
55AQI
54AQI
51AQI
55AQI
57AQI
61AQI
63AQI
62AQI
54AQI
50AQI
49AQI
66AQI
56AQI
52AQI
60AQI
61AQI
64AQI
65AQI
64AQI
60AQI
51AQI
47AQI
43AQI
44AQI
43AQI
49AQI
48AQI
43AQI
43AQI
42AQI
41AQI
35AQI
43AQI
54AQI
55AQI
56AQI
58AQI
56AQI
55AQI
50AQI
53AQI
54AQI
57AQI
58AQI
60AQI
50AQI
45AQI
46AQI
49AQI
52AQI
53AQI
54AQI
58AQI
63AQI
57AQI
55AQI
55AQI
57AQI
57AQI
56AQI
53AQI
54AQI
51AQI
52AQI
57AQI
54AQI
57AQI
66AQI
64AQI
65AQI
72AQI
60AQI
57AQI
54AQI
57AQI
57AQI
58AQI
57AQI
61AQI
60AQI
111AQI
100AQI
88AQI
95AQI
77AQI
59AQI
52AQI
54AQI
60AQI
No. of days
202578AQI
Highest AQI recorded in
January111AQI
Lowest AQI recorded in
July52AQI
202482AQI
Highest AQI recorded in
January156AQI
Lowest AQI recorded in
July51AQI
2023156AQI
Highest AQI recorded in
November156AQI
Lowest AQI recorded in
December156AQI
202182AQI
Highest AQI recorded in
January116AQI
Lowest AQI recorded in
July58AQI
202082AQI
Highest AQI recorded in
December123AQI
Lowest AQI recorded in
October67AQI
Most & Least Polluted Years Over the Last 5 Years
Ling Tong Sub Station's annual 2025 AQI (78) shows an average percentage change of -16.1% (improved AQI) compared to previous years: 2020 (82), 2021 (82), 2023 (156), 2024 (82).