Changshu, Jiangsu, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Changshu, Jiangsu, China
AQI Trends: Highest and Lowest
Same Day Analysis (29th July):
On this day, AQI across the 3 years varied significantly: 2026 ranks 1st highest AQI at 46 of Good air quality on the same day.
Day & Night AQI Trend: 28th Jul - 29th Jul 2026
Changshu, Jiangsu, China
5 AM28th Jul 2026
7 PM
4 AM29th Jul 2026
35AQI
21AQI
44AQI
28AQI
In the last 24 hours,
Changshu's AQI reached its highest point of 44 at 4 AM during the Night, while the lowest point, 21, was recorded at 12 PM during the Day between 28th Jul and 29th Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
Changshu, Jiangsu, China
25°C23/29°C
24°C22/27°C
26°C23/29°C
26°C24/29°C
25°C24/26°C
24°C23/24°C
27°C24/32°C
30°C26/35°C
29°C26/34°C
27°C25/31°C
29°C25/33°C
28°C25/31°C
28°C26/29°C
29°C26/32°C
31°C26/35°C
32°C28/36°C
32°C28/36°C
32°C29/36°C
30°C27/33°C
27°C25/31°C
27°C25/31°C
26°C24/28°C
27°C25/32°C
29°C25/34°C
29°C25/35°C
30°C26/35°C
29°C26/33°C
29°C27/32°C
29°C27/32°C
30°C25/36°C
43AQI
39AQI
46AQI
40AQI
2026 Days Vs Air Quality
Changshu, Jiangsu, China
34%
72
49%
102
12%
25
5%
11
Total number of days with different AQI categories in last 210 days in 2026 (155 days remaining)
Under WHO’s Safe Air Quality Limits: 34%
Health Risk Level:
High
In 2026, 34% of 210 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
Changshu, Jiangsu, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
36AQI (US)
64AQI (US)
102AQI (US)
149AQI (US)
161AQI (US)
158AQI (US)
122AQI (US)
146AQI (US)
138AQI (US)
113AQI (US)
62AQI (US)
81AQI (US)
133AQI (US)
153AQI (US)
157AQI (US)
182AQI (US)
154AQI (US)
72AQI (US)
43AQI (US)
54AQI (US)
76AQI (US)
81AQI (US)
134AQI (US)
151AQI (US)
120AQI (US)
44AQI (US)
82AQI (US)
79AQI (US)
49AQI (US)
50AQI (US)
35AQI (US)
111AQI (US)
147AQI (US)
114AQI (US)
97AQI (US)
156AQI (US)
87AQI (US)
59AQI (US)
68AQI (US)
67AQI (US)
88AQI (US)
140AQI (US)
155AQI (US)
152AQI (US)
140AQI (US)
154AQI (US)
57AQI (US)
88AQI (US)
147AQI (US)
142AQI (US)
98AQI (US)
90AQI (US)
92AQI (US)
58AQI (US)
38AQI (US)
61AQI (US)
48AQI (US)
28AQI (US)
62AQI (US)
30AQI (US)
18AQI (US)
77AQI (US)
29AQI (US)
66AQI (US)
92AQI (US)
70AQI (US)
38AQI (US)
60AQI (US)
40AQI (US)
64AQI (US)
68AQI (US)
113AQI (US)
78AQI (US)
56AQI (US)
99AQI (US)
109AQI (US)
83AQI (US)
93AQI (US)
88AQI (US)
52AQI (US)
84AQI (US)
85AQI (US)
90AQI (US)
136AQI (US)
78AQI (US)
73AQI (US)
69AQI (US)
99AQI (US)
74AQI (US)
89AQI (US)
121AQI (US)
136AQI (US)
61AQI (US)
97AQI (US)
103AQI (US)
120AQI (US)
44AQI (US)
34AQI (US)
39AQI (US)
93AQI (US)
98AQI (US)
29AQI (US)
40AQI (US)
67AQI (US)
63AQI (US)
55AQI (US)
86AQI (US)
49AQI (US)
52AQI (US)
60AQI (US)
58AQI (US)
33AQI (US)
24AQI (US)
65AQI (US)
59AQI (US)
66AQI (US)
99AQI (US)
79AQI (US)
33AQI (US)
78AQI (US)
77AQI (US)
67AQI (US)
77AQI (US)
51AQI (US)
68AQI (US)
44AQI (US)
66AQI (US)
28AQI (US)
36AQI (US)
41AQI (US)
64AQI (US)
70AQI (US)
68AQI (US)
30AQI (US)
31AQI (US)
75AQI (US)
62AQI (US)
55AQI (US)
52AQI (US)
62AQI (US)
68AQI (US)
78AQI (US)
72AQI (US)
70AQI (US)
64AQI (US)
50AQI (US)
63AQI (US)
80AQI (US)
60AQI (US)
64AQI (US)
42AQI (US)
64AQI (US)
90AQI (US)
108AQI (US)
104AQI (US)
47AQI (US)
19AQI (US)
42AQI (US)
47AQI (US)
47AQI (US)
48AQI (US)
68AQI (US)
82AQI (US)
71AQI (US)
26AQI (US)
19AQI (US)
44AQI (US)
42AQI (US)
87AQI (US)
47AQI (US)
36AQI (US)
68AQI (US)
19AQI (US)
8AQI (US)
20AQI (US)
32AQI (US)
59AQI (US)
70AQI (US)
78AQI (US)
46AQI (US)
32AQI (US)
51AQI (US)
54AQI (US)
49AQI (US)
32AQI (US)
14AQI (US)
30AQI (US)
54AQI (US)
22AQI (US)
39AQI (US)
26AQI (US)
38AQI (US)
30AQI (US)
32AQI (US)
44AQI (US)
47AQI (US)
36AQI (US)
50AQI (US)
70AQI (US)
42AQI (US)
43AQI (US)
45AQI (US)
46AQI (US)
61AQI (US)
80AQI (US)
36AQI (US)
36AQI (US)
38AQI (US)
28AQI (US)
46AQI (US)
103AQI (US)
98AQI (US)
74AQI (US)
68AQI (US)
59AQI (US)
52AQI (US)
42AQI (US)
No. of days
202671AQI (US)
Highest AQI (US) recorded in
January103AQI (US)
Lowest AQI (US) recorded in
July42AQI (US)
202580AQI (US)
Highest AQI (US) recorded in
January112AQI (US)
Lowest AQI (US) recorded in
July53AQI (US)
202484AQI (US)
Highest AQI (US) recorded in
January156AQI (US)
Lowest AQI (US) recorded in
September51AQI (US)
2023156AQI (US)
Highest AQI (US) recorded in
November156AQI (US)
Lowest AQI (US) recorded in
December156AQI (US)
202183AQI (US)
Highest AQI (US) recorded in
January118AQI (US)
Lowest AQI (US) recorded in
July56AQI (US)
202082AQI (US)
Highest AQI (US) recorded in
December126AQI (US)
Lowest AQI (US) recorded in
August66AQI (US)
Most & Least Polluted Years Over the Last 6 Years
Changshu's annual 2026 AQI (US) (71) shows an average percentage change of -21.8% (improved AQI (US)) compared to previous years: 2020 (82), 2021 (83), 2023 (156), 2024 (84), 2025 (80).