Chizhou, Anhui, 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
Chizhou, Anhui, China
AQI Trends: Highest and Lowest
Same Day Analysis (17th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 62 of Moderate air quality, showing improvement over 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Sep - 18th Sep 2025
Chizhou, Anhui, China
5 AM17th Sep 2025
6 PM
4 AM18th Sep 2025
79AQI
54AQI
71AQI
57AQI
In the last 24 hours,
Chizhou's AQI reached its highest point of 79 at 10 AM during the Day, while the lowest point, 54, was recorded at 6 PM during the Day between 17th Sep and 18th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Chizhou, Anhui, China
31°C26/36°C
31°C26/36°C
30°C25/36°C
28°C24/34°C
29°C24/35°C
30°C25/37°C
29°C23/38°C
29°C24/35°C
30°C25/36°C
30°C26/36°C
31°C26/37°C
28°C24/34°C
25°C24/28°C
26°C23/30°C
27°C23/33°C
28°C24/34°C
29°C24/35°C
30°C25/36°C
28°C25/31°C
28°C24/33°C
28°C23/34°C
25°C23/26°C
26°C23/31°C
27°C23/32°C
27°C23/32°C
25°C22/28°C
26°C23/30°C
28°C23/35°C
29°C25/35°C
26°C23/30°C
--°C/°C
59AQI
55AQI
60AQI
58AQI
2025 Days Vs Air Quality
Chizhou, Anhui, China
7%
17
61%
158
27%
69
5%
14
0.7%
2
Total number of days with different AQI categories in last 261 days in 2025 (104 days remaining)
Under WHO’s Safe Air Quality Limits: 7%
Health Risk Level:
Extreme
In 2025, 7% of 261 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
Chizhou, Anhui, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
159AQI
168AQI
183AQI
176AQI
169AQI
140AQI
112AQI
118AQI
100AQI
105AQI
115AQI
136AQI
137AQI
154AQI
93AQI
109AQI
106AQI
122AQI
136AQI
158AQI
167AQI
174AQI
202AQI
123AQI
106AQI
109AQI
80AQI
96AQI
141AQI
126AQI
157AQI
115AQI
137AQI
149AQI
125AQI
111AQI
105AQI
93AQI
77AQI
84AQI
100AQI
135AQI
141AQI
120AQI
156AQI
127AQI
146AQI
139AQI
118AQI
138AQI
111AQI
91AQI
112AQI
136AQI
147AQI
157AQI
161AQI
123AQI
105AQI
92AQI
73AQI
63AQI
91AQI
108AQI
117AQI
113AQI
132AQI
144AQI
113AQI
112AQI
113AQI
84AQI
86AQI
58AQI
94AQI
66AQI
94AQI
78AQI
85AQI
78AQI
86AQI
107AQI
96AQI
99AQI
118AQI
117AQI
91AQI
110AQI
110AQI
99AQI
95AQI
107AQI
112AQI
120AQI
110AQI
102AQI
102AQI
107AQI
106AQI
101AQI
96AQI
276AQI
123AQI
122AQI
88AQI
92AQI
97AQI
100AQI
122AQI
110AQI
94AQI
98AQI
94AQI
99AQI
87AQI
83AQI
70AQI
97AQI
87AQI
93AQI
84AQI
83AQI
94AQI
79AQI
80AQI
189AQI
140AQI
100AQI
81AQI
71AQI
83AQI
79AQI
84AQI
89AQI
103AQI
69AQI
82AQI
99AQI
90AQI
75AQI
65AQI
68AQI
84AQI
108AQI
104AQI
113AQI
116AQI
110AQI
91AQI
86AQI
73AQI
50AQI
48AQI
67AQI
80AQI
70AQI
75AQI
63AQI
50AQI
69AQI
59AQI
63AQI
66AQI
79AQI
64AQI
43AQI
55AQI
57AQI
51AQI
49AQI
47AQI
45AQI
41AQI
47AQI
54AQI
56AQI
56AQI
51AQI
49AQI
51AQI
54AQI
54AQI
56AQI
59AQI
61AQI
65AQI
68AQI
68AQI
56AQI
55AQI
63AQI
64AQI
60AQI
62AQI
66AQI
65AQI
66AQI
61AQI
68AQI
65AQI
53AQI
51AQI
45AQI
51AQI
51AQI
53AQI
55AQI
54AQI
57AQI
55AQI
53AQI
53AQI
56AQI
54AQI
59AQI
60AQI
58AQI
51AQI
52AQI
54AQI
57AQI
63AQI
53AQI
59AQI
59AQI
50AQI
47AQI
49AQI
53AQI
54AQI
54AQI
52AQI
53AQI
50AQI
49AQI
55AQI
53AQI
50AQI
57AQI
57AQI
60AQI
59AQI
55AQI
53AQI
57AQI
59AQI
66AQI
70AQI
71AQI
77AQI
71AQI
59AQI
53AQI
54AQI
54AQI
60AQI
55AQI
57AQI
60AQI
62AQI
135AQI
124AQI
98AQI
106AQI
93AQI
57AQI
58AQI
55AQI
61AQI
No. of days
202588AQI
Highest AQI recorded in
January135AQI
Lowest AQI recorded in
August55AQI
202488AQI
Highest AQI recorded in
January141AQI
Lowest AQI recorded in
July44AQI
202396AQI
Highest AQI recorded in
January136AQI
Lowest AQI recorded in
July47AQI
202295AQI
Highest AQI recorded in
January147AQI
Lowest AQI recorded in
June55AQI
202191AQI
Highest AQI recorded in
January134AQI
Lowest AQI recorded in
July51AQI
202088AQI
Highest AQI recorded in
December148AQI
Lowest AQI recorded in
June54AQI
Most & Least Polluted Years Over the Last 6 Years
Chizhou's annual 2025 AQI (88) shows an average percentage change of -3.3% (improved AQI) compared to previous years: 2020 (88), 2021 (91), 2022 (95), 2023 (96), 2024 (88).