Xingfu 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!
October Air Quality Analysis
Xingfu Sub Station, Changshu, Jiangsu, China
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 67 of Moderate air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Oct - 4th Oct 2025
Xingfu Sub Station, Changshu, Jiangsu, China
5 AM3rd Oct 2025
5 PM
4 AM4th Oct 2025
AQI
AQI
89AQI
55AQI
In the last 24 hours,
Xingfu Sub Station's AQI reached its highest point of 89 at 8 AM during the Night, while the lowest point, 55, was recorded at 1 AM during the Night between 3rd Oct and 4th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Xingfu Sub Station, Changshu, Jiangsu, China
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
28°C24/31°C
24°C22/27°C
25°C22/29°C
22°C21/24°C
22°C21/26°C
25°C21/29°C
26°C23/29°C
26°C24/27°C
26°C24/30°C
27°C24/32°C
26°C23/31°C
27°C24/31°C
23°C22/26°C
22°C20/22°C
23°C20/28°C
26°C23/31°C
--°C/°C
--°C/°C
62AQI
59AQI
60AQI
60AQI
2025 Days Vs Air Quality
Xingfu Sub Station, Changshu, Jiangsu, China
12%
32
70%
192
17%
48
1%
4
Total number of days with different AQI categories in last 276 days in 2025 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 12%
Health Risk Level:
Extreme
In 2025, 12% of 276 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
Xingfu Sub Station, Changshu, Jiangsu, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
122AQI
97AQI
111AQI
93AQI
144AQI
125AQI
121AQI
126AQI
71AQI
87AQI
108AQI
112AQI
138AQI
150AQI
84AQI
112AQI
116AQI
127AQI
146AQI
168AQI
169AQI
124AQI
106AQI
88AQI
72AQI
86AQI
61AQI
81AQI
112AQI
96AQI
103AQI
65AQI
116AQI
106AQI
121AQI
98AQI
85AQI
73AQI
64AQI
79AQI
92AQI
73AQI
136AQI
80AQI
101AQI
80AQI
131AQI
81AQI
94AQI
82AQI
69AQI
72AQI
98AQI
113AQI
123AQI
150AQI
150AQI
160AQI
121AQI
110AQI
104AQI
69AQI
66AQI
62AQI
76AQI
83AQI
125AQI
83AQI
112AQI
105AQI
80AQI
78AQI
65AQI
67AQI
76AQI
72AQI
68AQI
86AQI
100AQI
86AQI
92AQI
95AQI
97AQI
104AQI
122AQI
104AQI
89AQI
99AQI
72AQI
72AQI
76AQI
105AQI
78AQI
91AQI
107AQI
107AQI
104AQI
108AQI
124AQI
121AQI
120AQI
159AQI
98AQI
84AQI
79AQI
79AQI
89AQI
96AQI
107AQI
77AQI
86AQI
84AQI
87AQI
105AQI
72AQI
72AQI
74AQI
80AQI
75AQI
85AQI
77AQI
80AQI
76AQI
60AQI
74AQI
93AQI
86AQI
72AQI
56AQI
64AQI
71AQI
75AQI
77AQI
79AQI
116AQI
72AQI
85AQI
74AQI
85AQI
78AQI
60AQI
83AQI
55AQI
89AQI
76AQI
82AQI
69AQI
72AQI
78AQI
86AQI
88AQI
61AQI
50AQI
75AQI
92AQI
74AQI
75AQI
74AQI
48AQI
65AQI
55AQI
61AQI
57AQI
43AQI
62AQI
50AQI
55AQI
61AQI
62AQI
57AQI
55AQI
52AQI
42AQI
48AQI
49AQI
60AQI
58AQI
54AQI
53AQI
54AQI
54AQI
51AQI
55AQI
57AQI
62AQI
63AQI
63AQI
54AQI
50AQI
49AQI
68AQI
55AQI
51AQI
60AQI
61AQI
65AQI
65AQI
63AQI
60AQI
50AQI
47AQI
43AQI
44AQI
44AQI
49AQI
49AQI
43AQI
43AQI
42AQI
41AQI
36AQI
43AQI
53AQI
53AQI
56AQI
57AQI
56AQI
54AQI
52AQI
52AQI
54AQI
57AQI
57AQI
59AQI
50AQI
44AQI
46AQI
50AQI
52AQI
53AQI
56AQI
58AQI
62AQI
57AQI
55AQI
56AQI
57AQI
57AQI
56AQI
53AQI
55AQI
52AQI
52AQI
57AQI
54AQI
57AQI
66AQI
65AQI
66AQI
71AQI
60AQI
57AQI
55AQI
57AQI
57AQI
58AQI
58AQI
60AQI
62AQI
62AQI
49AQI
51AQI
54AQI
50AQI
50AQI
47AQI
47AQI
49AQI
55AQI
62AQI
78AQI
66AQI
64AQI
89AQI
63AQI
67AQI
111AQI
100AQI
88AQI
94AQI
77AQI
59AQI
52AQI
54AQI
58AQI
73AQI
No. of days
202577AQI
Highest AQI recorded in
January111AQI
Lowest AQI recorded in
July52AQI
202476AQI
Highest AQI recorded in
February158AQI
Lowest AQI recorded in
September51AQI
2023156AQI
Highest AQI recorded in
November156AQI
Lowest AQI recorded in
December156AQI
202183AQI
Highest AQI recorded in
January117AQI
Lowest AQI recorded in
July56AQI
202080AQI
Highest AQI recorded in
December123AQI
Lowest AQI recorded in
March66AQI
Most & Least Polluted Years Over the Last 5 Years
Xingfu Sub Station's annual 2025 AQI (77) shows an average percentage change of -15.1% (improved AQI) compared to previous years: 2020 (80), 2021 (83), 2023 (156), 2024 (76).