Anji, Changzhou, Jiangsu, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Anji, Changzhou, Jiangsu, China
AQI Trends: Highest and Lowest
Same Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 54 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Anji, Changzhou, Jiangsu, China
5 AM4th Aug 2025
7 PM
4 AM5th Aug 2025
68AQI
37AQI
56AQI
48AQI
In the last 24 hours,
Anji's AQI reached its highest point of 68 at 9 AM during the Day, while the lowest point, 37, was recorded at 5 PM during the Day between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Anji, Changzhou, Jiangsu, China
33°C28/38°C
31°C28/36°C
29°C26/33°C
29°C26/33°C
29°C26/32°C
28°C25/31°C
27°C25/32°C
29°C24/33°C
29°C25/34°C
29°C25/35°C
31°C27/35°C
29°C26/35°C
28°C25/34°C
29°C25/34°C
30°C27/35°C
30°C27/34°C
30°C27/34°C
30°C26/35°C
29°C25/34°C
29°C25/33°C
29°C26/34°C
29°C26/34°C
28°C25/31°C
29°C24/34°C
24°C22/25°C
24°C23/25°C
27°C25/31°C
27°C25/31°C
29°C25/32°C
30°C26/34°C
--°C/°C
57AQI
50AQI
57AQI
55AQI
2025 Days Vs Air Quality
Anji, Changzhou, Jiangsu, China
10%
21
56%
122
29%
62
5%
11
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 10%
Health Risk Level:
Extreme
In 2025, 10% of 217 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
Anji, Changzhou, Jiangsu, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
146AQI
129AQI
143AQI
133AQI
153AQI
135AQI
127AQI
133AQI
76AQI
97AQI
119AQI
115AQI
141AQI
152AQI
84AQI
133AQI
128AQI
144AQI
159AQI
178AQI
179AQI
162AQI
134AQI
103AQI
89AQI
106AQI
74AQI
98AQI
126AQI
116AQI
137AQI
81AQI
137AQI
113AQI
127AQI
105AQI
91AQI
69AQI
66AQI
85AQI
111AQI
92AQI
147AQI
110AQI
130AQI
111AQI
152AQI
94AQI
108AQI
102AQI
79AQI
83AQI
113AQI
116AQI
128AQI
151AQI
150AQI
164AQI
157AQI
122AQI
119AQI
74AQI
80AQI
82AQI
91AQI
110AQI
133AQI
104AQI
130AQI
143AQI
138AQI
97AQI
89AQI
79AQI
78AQI
76AQI
68AQI
94AQI
93AQI
86AQI
93AQI
100AQI
102AQI
101AQI
122AQI
111AQI
91AQI
104AQI
86AQI
77AQI
83AQI
103AQI
84AQI
116AQI
106AQI
112AQI
112AQI
117AQI
128AQI
137AQI
138AQI
176AQI
107AQI
89AQI
79AQI
78AQI
90AQI
100AQI
126AQI
80AQI
123AQI
94AQI
107AQI
103AQI
75AQI
69AQI
76AQI
88AQI
86AQI
89AQI
79AQI
80AQI
70AQI
64AQI
76AQI
98AQI
98AQI
76AQI
55AQI
66AQI
73AQI
76AQI
82AQI
90AQI
133AQI
74AQI
96AQI
82AQI
95AQI
84AQI
68AQI
88AQI
63AQI
89AQI
92AQI
82AQI
77AQI
80AQI
91AQI
88AQI
96AQI
53AQI
50AQI
75AQI
91AQI
77AQI
76AQI
76AQI
49AQI
71AQI
69AQI
69AQI
68AQI
55AQI
66AQI
50AQI
56AQI
60AQI
66AQI
52AQI
50AQI
40AQI
31AQI
44AQI
48AQI
64AQI
67AQI
57AQI
52AQI
52AQI
65AQI
56AQI
61AQI
62AQI
72AQI
77AQI
80AQI
63AQI
49AQI
50AQI
75AQI
60AQI
56AQI
67AQI
63AQI
70AQI
69AQI
62AQI
61AQI
52AQI
46AQI
42AQI
43AQI
42AQI
50AQI
52AQI
41AQI
39AQI
41AQI
45AQI
31AQI
39AQI
52AQI
52AQI
53AQI
54AQI
127AQI
113AQI
99AQI
102AQI
83AQI
60AQI
55AQI
53AQI
No. of days
202591AQI
Highest AQI recorded in
January127AQI
Lowest AQI recorded in
August53AQI
202491AQI
Highest AQI recorded in
January148AQI
Lowest AQI recorded in
July51AQI
202399AQI
Highest AQI recorded in
December130AQI
Lowest AQI recorded in
July56AQI
202299AQI
Highest AQI recorded in
January135AQI
Lowest AQI recorded in
October73AQI
2021102AQI
Highest AQI recorded in
January137AQI
Lowest AQI recorded in
July56AQI
202099AQI
Highest AQI recorded in
December141AQI
Lowest AQI recorded in
August74AQI
Most & Least Polluted Years Over the Last 6 Years
Anji's annual 2025 AQI (91) shows an average percentage change of -7.5% (improved AQI) compared to previous years: 2020 (99), 2021 (102), 2022 (99), 2023 (99), 2024 (91).