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
Huzhou, Zhejiang, China
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 56 of Moderate air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Huzhou, Zhejiang, China
5 AM3rd Aug 2025
7 PM
4 AM4th Aug 2025
AQI
AQI
64AQI
53AQI
In the last 24 hours,
Huzhou's AQI reached its highest point of 64 at 11 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Huzhou, Zhejiang, China
31°C26/37°C
31°C26/37°C
29°C25/35°C
26°C25/29°C
28°C24/32°C
27°C24/31°C
26°C24/30°C
27°C24/31°C
28°C24/33°C
29°C24/34°C
29°C23/34°C
30°C26/37°C
30°C25/36°C
28°C25/33°C
28°C25/33°C
29°C26/33°C
29°C25/33°C
27°C25/31°C
28°C24/32°C
28°C24/32°C
27°C24/31°C
27°C25/30°C
27°C25/31°C
27°C25/30°C
27°C24/31°C
24°C23/26°C
25°C22/30°C
28°C24/34°C
28°C25/34°C
--°C/°C
--°C/°C
53AQI
53AQI
55AQI
55AQI
2025 Days Vs Air Quality
Huzhou, Zhejiang, China
7%
16
61%
130
28%
59
4%
8
0.4%
1
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 7%
Health Risk Level:
Extreme
In 2025, 7% of 215 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
Huzhou, Zhejiang, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
149AQI
127AQI
149AQI
140AQI
158AQI
145AQI
133AQI
133AQI
90AQI
103AQI
113AQI
121AQI
137AQI
152AQI
82AQI
114AQI
117AQI
146AQI
145AQI
172AQI
178AQI
161AQI
143AQI
109AQI
85AQI
100AQI
66AQI
85AQI
112AQI
115AQI
127AQI
76AQI
125AQI
121AQI
118AQI
98AQI
108AQI
76AQI
72AQI
82AQI
106AQI
101AQI
145AQI
127AQI
142AQI
132AQI
129AQI
114AQI
99AQI
113AQI
83AQI
83AQI
108AQI
135AQI
133AQI
160AQI
152AQI
163AQI
126AQI
111AQI
98AQI
70AQI
75AQI
79AQI
91AQI
104AQI
131AQI
99AQI
139AQI
136AQI
108AQI
86AQI
76AQI
65AQI
87AQI
71AQI
75AQI
93AQI
93AQI
82AQI
87AQI
93AQI
95AQI
100AQI
120AQI
112AQI
91AQI
100AQI
82AQI
73AQI
82AQI
99AQI
87AQI
113AQI
95AQI
107AQI
100AQI
100AQI
108AQI
112AQI
107AQI
284AQI
95AQI
103AQI
79AQI
79AQI
88AQI
103AQI
129AQI
104AQI
117AQI
99AQI
96AQI
109AQI
77AQI
82AQI
77AQI
97AQI
84AQI
89AQI
81AQI
83AQI
81AQI
65AQI
84AQI
102AQI
104AQI
83AQI
58AQI
65AQI
70AQI
75AQI
80AQI
86AQI
127AQI
91AQI
92AQI
90AQI
88AQI
80AQI
61AQI
83AQI
55AQI
94AQI
89AQI
85AQI
81AQI
82AQI
79AQI
94AQI
93AQI
59AQI
54AQI
72AQI
88AQI
74AQI
74AQI
88AQI
48AQI
70AQI
66AQI
74AQI
67AQI
54AQI
62AQI
46AQI
55AQI
65AQI
68AQI
59AQI
53AQI
53AQI
51AQI
50AQI
60AQI
73AQI
71AQI
58AQI
55AQI
54AQI
59AQI
52AQI
58AQI
63AQI
65AQI
65AQI
62AQI
56AQI
50AQI
52AQI
63AQI
57AQI
53AQI
61AQI
66AQI
66AQI
66AQI
64AQI
66AQI
49AQI
49AQI
46AQI
50AQI
46AQI
50AQI
53AQI
43AQI
47AQI
47AQI
48AQI
36AQI
43AQI
54AQI
56AQI
126AQI
115AQI
94AQI
103AQI
83AQI
63AQI
55AQI
55AQI
No. of days
202591AQI
Highest AQI recorded in
January126AQI
Lowest AQI recorded in
July55AQI
202487AQI
Highest AQI recorded in
January135AQI
Lowest AQI recorded in
July55AQI
202396AQI
Highest AQI recorded in
December122AQI
Lowest AQI recorded in
July65AQI
202286AQI
Highest AQI recorded in
January121AQI
Lowest AQI recorded in
July57AQI
202180AQI
Highest AQI recorded in
January116AQI
Lowest AQI recorded in
July60AQI
202076AQI
Highest AQI recorded in
December121AQI
Lowest AQI recorded in
June58AQI
Most & Least Polluted Years Over the Last 6 Years
Huzhou's annual 2025 AQI (91) shows an average percentage change of 7.2% (worsened AQI) compared to previous years: 2020 (76), 2021 (80), 2022 (86), 2023 (96), 2024 (87).