Changshu, Jiangsu, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
June Air Quality Analysis
Changshu, Jiangsu, China
AQI Trends: Highest and Lowest
Same Day Analysis (2nd June):
On this day, AQI across the 3 years varied significantly: 2026 ranks 1st highest AQI at 90 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 1st Jun - 2nd Jun 2026
Changshu, Jiangsu, China
4 AM1st Jun 2026
6 PM
3 AM2nd Jun 2026
94AQI
46AQI
136AQI
64AQI
In the last 24 hours,
Changshu's AQI reached its highest point of 136 at 1 AM during the Night, while the lowest point, 46, was recorded at 3 PM during the Day between 1st Jun and 2nd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Changshu, Jiangsu, China
18°C14/24°C
20°C15/26°C
20°C15/26°C
20°C16/29°C
18°C14/22°C
18°C13/24°C
20°C13/26°C
23°C17/30°C
24°C19/31°C
25°C20/31°C
23°C20/29°C
22°C19/28°C
23°C19/28°C
24°C19/29°C
24°C20/30°C
23°C21/28°C
23°C21/27°C
22°C18/27°C
22°C17/29°C
25°C21/30°C
22°C21/23°C
26°C21/31°C
26°C23/29°C
23°C22/25°C
27°C22/31°C
24°C20/28°C
22°C19/27°C
23°C18/30°C
25°C19/31°C
27°C23/32°C
69AQI
48AQI
67AQI
49AQI
2026 Days Vs Air Quality
Changshu, Jiangsu, China
20%
31
58%
88
15%
23
7%
11
Total number of days with different AQI categories in last 154 days in 2026 (211 days remaining)
Under WHO’s Safe Air Quality Limits: 20%
Health Risk Level:
Very high
In 2026, 20% of 154 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
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)
103AQI (US)
98AQI (US)
74AQI (US)
68AQI (US)
59AQI (US)
77AQI (US)
No. of days
202680AQI (US)
Highest AQI (US) recorded in
January103AQI (US)
Lowest AQI (US) recorded in
May59AQI (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) (80) shows an average percentage change of -11.9% (improved AQI (US)) compared to previous years: 2020 (82), 2021 (83), 2023 (156), 2024 (84), 2025 (80).