Changzhou, 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
Changzhou, Jiangsu, China
AQI Trends: Highest and Lowest
Same Day Analysis (29th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 39 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 28th Jul - 29th Jul 2026
Changzhou, Jiangsu, China
5 AM28th Jul 2026
7 PM
4 AM29th Jul 2026
32AQI
21AQI
52AQI
26AQI
In the last 24 hours,
Changzhou's AQI reached its highest point of 52 at 4 AM during the Night, while the lowest point, 21, was recorded at 10 AM during the Day between 28th Jul and 29th Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
Changzhou, Jiangsu, China
26°C23/31°C
25°C22/29°C
27°C23/30°C
25°C24/27°C
24°C23/25°C
24°C23/24°C
27°C25/32°C
29°C26/35°C
29°C25/34°C
28°C26/31°C
29°C25/34°C
28°C25/32°C
27°C26/29°C
27°C26/29°C
31°C26/35°C
31°C28/36°C
32°C29/35°C
31°C28/35°C
29°C26/31°C
27°C25/30°C
26°C25/29°C
24°C23/27°C
26°C25/29°C
28°C25/33°C
29°C24/34°C
30°C26/34°C
30°C27/33°C
29°C28/33°C
29°C27/31°C
30°C25/36°C
44AQI
23AQI
43AQI
25AQI
2026 Days Vs Air Quality
Changzhou, Jiangsu, China
30%
62
46%
96
21%
44
4%
8
Total number of days with different AQI categories in last 210 days in 2026 (155 days remaining)
Under WHO’s Safe Air Quality Limits: 30%
Health Risk Level:
High
In 2026, 30% 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
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)
110AQI (US)
98AQI (US)
97AQI (US)
75AQI (US)
60AQI (US)
58AQI (US)
34AQI (US)
No. of days
202676AQI (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) (76) shows an average percentage change of -18.06% (improved AQI (US)) compared to previous years: 2020 (92), 2021 (96), 2022 (94), 2023 (96), 2024 (90), 2025 (89).