Changzhou, 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
Changzhou, Jiangsu, China
AQI Trends: Highest and Lowest
Same Day Analysis (27th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 38 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Day & Night AQI Trend: 26th Sep - 27th Sep 2026
Changzhou, Jiangsu, China
5 AM26th Sep 2026
6 PM
4 AM27th Sep 2026
108AQI
14AQI
65AQI
14AQI
In the last 24 hours,
Changzhou's AQI reached its highest point of 108 at 5 AM during the Day, while the lowest point, 14, was recorded at 7 PM during the Night between 26th Sep and 27th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Changzhou, Jiangsu, China
28°C25/31°C
28°C25/31°C
27°C24/31°C
25°C24/29°C
24°C23/26°C
25°C23/28°C
25°C22/29°C
25°C22/29°C
24°C21/29°C
24°C20/28°C
24°C20/29°C
22°C20/26°C
22°C18/26°C
21°C18/25°C
24°C20/29°C
24°C20/30°C
23°C21/27°C
23°C18/28°C
23°C19/28°C
22°C21/24°C
24°C21/29°C
25°C22/29°C
23°C22/27°C
24°C20/28°C
24°C21/28°C
24°C22/28°C
25°C22/29°C
26°C22/32°C
23°C22/24°C
24°C22/28°C
52AQI
42AQI
54AQI
43AQI
2026 Days Vs Air Quality
Changzhou, Jiangsu, China
40%
107
41%
111
16%
44
3%
8
Total number of days with different AQI categories in last 270 days in 2026 (95 days remaining)
Under WHO’s Safe Air Quality Limits: 40%
Health Risk Level:
Significant
In 2026, 40% of 270 days were within WHO’s safe air quality limits, and 60% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Changzhou, Jiangsu, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
46AQI (US)
87AQI (US)
106AQI (US)
159AQI (US)
163AQI (US)
159AQI (US)
114AQI (US)
142AQI (US)
137AQI (US)
100AQI (US)
70AQI (US)
95AQI (US)
120AQI (US)
148AQI (US)
158AQI (US)
177AQI (US)
173AQI (US)
101AQI (US)
48AQI (US)
67AQI (US)
95AQI (US)
85AQI (US)
133AQI (US)
158AQI (US)
132AQI (US)
54AQI (US)
88AQI (US)
106AQI (US)
81AQI (US)
60AQI (US)
45AQI (US)
116AQI (US)
133AQI (US)
143AQI (US)
115AQI (US)
156AQI (US)
81AQI (US)
46AQI (US)
72AQI (US)
76AQI (US)
107AQI (US)
147AQI (US)
134AQI (US)
139AQI (US)
129AQI (US)
148AQI (US)
63AQI (US)
78AQI (US)
131AQI (US)
131AQI (US)
82AQI (US)
72AQI (US)
88AQI (US)
59AQI (US)
42AQI (US)
73AQI (US)
67AQI (US)
28AQI (US)
77AQI (US)
51AQI (US)
24AQI (US)
98AQI (US)
59AQI (US)
83AQI (US)
108AQI (US)
84AQI (US)
43AQI (US)
80AQI (US)
62AQI (US)
88AQI (US)
89AQI (US)
139AQI (US)
115AQI (US)
116AQI (US)
110AQI (US)
121AQI (US)
92AQI (US)
148AQI (US)
150AQI (US)
109AQI (US)
109AQI (US)
102AQI (US)
111AQI (US)
140AQI (US)
120AQI (US)
91AQI (US)
92AQI (US)
95AQI (US)
68AQI (US)
111AQI (US)
125AQI (US)
131AQI (US)
73AQI (US)
82AQI (US)
98AQI (US)
117AQI (US)
54AQI (US)
40AQI (US)
48AQI (US)
89AQI (US)
104AQI (US)
35AQI (US)
58AQI (US)
76AQI (US)
77AQI (US)
68AQI (US)
124AQI (US)
81AQI (US)
64AQI (US)
63AQI (US)
54AQI (US)
47AQI (US)
23AQI (US)
71AQI (US)
69AQI (US)
71AQI (US)
100AQI (US)
66AQI (US)
52AQI (US)
78AQI (US)
59AQI (US)
74AQI (US)
62AQI (US)
30AQI (US)
58AQI (US)
50AQI (US)
66AQI (US)
38AQI (US)
30AQI (US)
49AQI (US)
59AQI (US)
83AQI (US)
99AQI (US)
48AQI (US)
42AQI (US)
75AQI (US)
63AQI (US)
55AQI (US)
52AQI (US)
63AQI (US)
68AQI (US)
77AQI (US)
72AQI (US)
70AQI (US)
65AQI (US)
49AQI (US)
43AQI (US)
61AQI (US)
65AQI (US)
65AQI (US)
61AQI (US)
54AQI (US)
97AQI (US)
102AQI (US)
106AQI (US)
40AQI (US)
22AQI (US)
52AQI (US)
59AQI (US)
73AQI (US)
70AQI (US)
60AQI (US)
80AQI (US)
46AQI (US)
49AQI (US)
25AQI (US)
45AQI (US)
46AQI (US)
94AQI (US)
72AQI (US)
23AQI (US)
78AQI (US)
14AQI (US)
11AQI (US)
21AQI (US)
41AQI (US)
71AQI (US)
98AQI (US)
99AQI (US)
66AQI (US)
32AQI (US)
49AQI (US)
37AQI (US)
22AQI (US)
25AQI (US)
8AQI (US)
18AQI (US)
32AQI (US)
16AQI (US)
37AQI (US)
30AQI (US)
35AQI (US)
25AQI (US)
20AQI (US)
35AQI (US)
39AQI (US)
19AQI (US)
33AQI (US)
55AQI (US)
69AQI (US)
29AQI (US)
36AQI (US)
34AQI (US)
40AQI (US)
49AQI (US)
44AQI (US)
30AQI (US)
37AQI (US)
30AQI (US)
39AQI (US)
34AQI (US)
39AQI (US)
57AQI (US)
50AQI (US)
69AQI (US)
48AQI (US)
65AQI (US)
52AQI (US)
43AQI (US)
45AQI (US)
22AQI (US)
31AQI (US)
43AQI (US)
27AQI (US)
29AQI (US)
36AQI (US)
34AQI (US)
33AQI (US)
49AQI (US)
53AQI (US)
34AQI (US)
26AQI (US)
40AQI (US)
40AQI (US)
38AQI (US)
35AQI (US)
39AQI (US)
43AQI (US)
47AQI (US)
37AQI (US)
32AQI (US)
40AQI (US)
30AQI (US)
37AQI (US)
30AQI (US)
31AQI (US)
36AQI (US)
37AQI (US)
31AQI (US)
39AQI (US)
46AQI (US)
37AQI (US)
27AQI (US)
45AQI (US)
34AQI (US)
57AQI (US)
51AQI (US)
50AQI (US)
90AQI (US)
66AQI (US)
55AQI (US)
47AQI (US)
54AQI (US)
92AQI (US)
82AQI (US)
81AQI (US)
35AQI (US)
54AQI (US)
50AQI (US)
38AQI (US)
110AQI (US)
98AQI (US)
97AQI (US)
75AQI (US)
60AQI (US)
58AQI (US)
34AQI (US)
41AQI (US)
49AQI (US)
No. of days
202669AQI (US)
Highest AQI (US) recorded in
January110AQI (US)
Lowest AQI (US) recorded in
July34AQI (US)
202589AQI (US)
Highest AQI (US) recorded in
January127AQI (US)
Lowest AQI (US) recorded in
August56AQI (US)
202490AQI (US)
Highest AQI (US) recorded in
January138AQI (US)
Lowest AQI (US) recorded in
July50AQI (US)
202396AQI (US)
Highest AQI (US) recorded in
December132AQI (US)
Lowest AQI (US) recorded in
July54AQI (US)
202294AQI (US)
Highest AQI (US) recorded in
January131AQI (US)
Lowest AQI (US) recorded in
July68AQI (US)
202196AQI (US)
Highest AQI (US) recorded in
January131AQI (US)
Lowest AQI (US) recorded in
July57AQI (US)
202092AQI (US)
Highest AQI (US) recorded in
December136AQI (US)
Lowest AQI (US) recorded in
August69AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Changzhou's annual 2026 AQI (US) (69) shows an average percentage change of -25.6% (improved AQI (US)) compared to previous years: 2020 (92), 2021 (96), 2022 (94), 2023 (96), 2024 (90), 2025 (89).