Chengbei Water Plant, Huzhou, Zhejiang, 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
Chengbei Water Plant, Huzhou, Zhejiang, China
AQI Trends: Highest and Lowest
Same Day Analysis (5th August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 57 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Chengbei Water Plant, Huzhou, Zhejiang, China
5 AM6th Aug 2025
7 PM
4 AM7th Aug 2025
AQI
AQI
58AQI
50AQI
In the last 24 hours,
Chengbei Water Plant's AQI reached its highest point of 58 at 11 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Chengbei Water Plant, Huzhou, Zhejiang, China
27°C26/29°C
28°C25/32°C
27°C25/32°C
27°C25/29°C
27°C25/31°C
28°C25/31°C
29°C25/33°C
29°C25/35°C
30°C27/36°C
30°C27/35°C
29°C26/32°C
29°C26/33°C
29°C26/32°C
29°C26/32°C
28°C26/32°C
28°C25/32°C
28°C25/32°C
28°C26/32°C
28°C26/30°C
28°C26/32°C
27°C26/30°C
27°C25/32°C
25°C23/26°C
25°C23/28°C
28°C25/32°C
28°C26/31°C
29°C26/33°C
30°C27/33°C
30°C27/33°C
--°C/°C
--°C/°C
53AQI
53AQI
55AQI
55AQI
2025 Days Vs Air Quality
Chengbei Water Plant, Huzhou, Zhejiang, China
6%
12
63%
137
28%
60
3%
7
0.4%
1
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Under WHO’s Safe Air Quality Limits: 6%
Health Risk Level:
Extreme
In 2025, 6% of 218 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
Chengbei Water Plant, Huzhou, Zhejiang, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
149AQI
125AQI
148AQI
139AQI
159AQI
147AQI
136AQI
132AQI
86AQI
104AQI
114AQI
121AQI
137AQI
154AQI
81AQI
114AQI
116AQI
150AQI
144AQI
172AQI
178AQI
163AQI
145AQI
111AQI
84AQI
100AQI
66AQI
84AQI
108AQI
114AQI
119AQI
78AQI
124AQI
121AQI
117AQI
98AQI
111AQI
75AQI
72AQI
83AQI
106AQI
102AQI
145AQI
129AQI
141AQI
134AQI
126AQI
114AQI
97AQI
112AQI
83AQI
82AQI
105AQI
136AQI
131AQI
161AQI
150AQI
168AQI
128AQI
110AQI
98AQI
70AQI
75AQI
78AQI
90AQI
102AQI
131AQI
97AQI
140AQI
136AQI
104AQI
86AQI
75AQI
65AQI
86AQI
70AQI
74AQI
92AQI
93AQI
81AQI
86AQI
90AQI
93AQI
100AQI
119AQI
110AQI
91AQI
100AQI
81AQI
71AQI
80AQI
99AQI
85AQI
115AQI
93AQI
107AQI
100AQI
99AQI
105AQI
113AQI
107AQI
299AQI
93AQI
102AQI
78AQI
78AQI
87AQI
103AQI
132AQI
104AQI
122AQI
100AQI
97AQI
110AQI
78AQI
85AQI
78AQI
98AQI
84AQI
90AQI
81AQI
83AQI
80AQI
65AQI
86AQI
102AQI
104AQI
83AQI
58AQI
65AQI
69AQI
75AQI
80AQI
86AQI
129AQI
93AQI
95AQI
91AQI
89AQI
81AQI
61AQI
86AQI
55AQI
97AQI
87AQI
86AQI
80AQI
82AQI
79AQI
97AQI
95AQI
60AQI
55AQI
72AQI
88AQI
72AQI
75AQI
95AQI
48AQI
72AQI
73AQI
77AQI
70AQI
56AQI
65AQI
47AQI
54AQI
67AQI
72AQI
59AQI
53AQI
55AQI
54AQI
51AQI
62AQI
76AQI
73AQI
58AQI
56AQI
55AQI
61AQI
54AQI
58AQI
64AQI
66AQI
65AQI
62AQI
56AQI
50AQI
54AQI
63AQI
58AQI
53AQI
62AQI
67AQI
65AQI
66AQI
65AQI
68AQI
51AQI
50AQI
47AQI
51AQI
49AQI
52AQI
54AQI
45AQI
49AQI
48AQI
48AQI
39AQI
42AQI
54AQI
55AQI
55AQI
59AQI
57AQI
126AQI
115AQI
93AQI
104AQI
84AQI
64AQI
56AQI
56AQI
No. of days
202591AQI
Highest AQI recorded in
January126AQI
Lowest AQI recorded in
July56AQI
202479AQI
Highest AQI recorded in
January154AQI
Lowest AQI recorded in
July49AQI
2023124AQI
Highest AQI recorded in
December125AQI
Lowest AQI recorded in
November120AQI
202279AQI
Highest AQI recorded in
January104AQI
Lowest AQI recorded in
August48AQI
202178AQI
Highest AQI recorded in
January108AQI
Lowest AQI recorded in
July60AQI
202075AQI
Highest AQI recorded in
December118AQI
Lowest AQI recorded in
July59AQI
Most & Least Polluted Years Over the Last 6 Years
Chengbei Water Plant's annual 2025 AQI (91) shows an average percentage change of 7.6% (worsened AQI) compared to previous years: 2020 (75), 2021 (78), 2022 (79), 2023 (124), 2024 (79).