Quzhou, 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
Quzhou, Zhejiang, China
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 60 of Moderate air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Quzhou, Zhejiang, China
5 AM3rd Aug 2025
7 PM
4 AM4th Aug 2025
AQI
AQI
69AQI
54AQI
In the last 24 hours,
Quzhou's AQI reached its highest point of 69 at 9 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
Quzhou, Zhejiang, China
29°C25/35°C
29°C24/35°C
29°C23/35°C
25°C23/29°C
26°C23/32°C
26°C22/31°C
26°C23/31°C
27°C24/31°C
26°C23/30°C
28°C24/33°C
29°C24/35°C
30°C26/35°C
29°C25/35°C
28°C24/33°C
26°C23/31°C
27°C24/30°C
27°C24/32°C
25°C23/26°C
27°C22/32°C
27°C22/33°C
26°C24/30°C
27°C24/29°C
27°C25/31°C
27°C24/30°C
27°C23/32°C
26°C22/31°C
27°C23/32°C
29°C23/35°C
29°C25/36°C
--°C/°C
--°C/°C
51AQI
44AQI
53AQI
53AQI
2025 Days Vs Air Quality
Quzhou, Zhejiang, China
14%
31
58%
124
23%
50
4%
9
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 14%
Health Risk Level:
Extreme
In 2025, 14% 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
Quzhou, Zhejiang, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
156AQI
153AQI
156AQI
151AQI
152AQI
139AQI
154AQI
157AQI
144AQI
96AQI
117AQI
108AQI
122AQI
127AQI
141AQI
98AQI
121AQI
121AQI
108AQI
124AQI
143AQI
142AQI
139AQI
122AQI
108AQI
71AQI
72AQI
75AQI
132AQI
102AQI
119AQI
63AQI
74AQI
108AQI
91AQI
86AQI
99AQI
80AQI
66AQI
75AQI
93AQI
100AQI
111AQI
143AQI
145AQI
153AQI
108AQI
127AQI
82AQI
102AQI
56AQI
66AQI
58AQI
82AQI
118AQI
136AQI
129AQI
123AQI
103AQI
99AQI
86AQI
81AQI
54AQI
78AQI
78AQI
107AQI
107AQI
133AQI
138AQI
152AQI
127AQI
73AQI
86AQI
44AQI
78AQI
66AQI
76AQI
83AQI
77AQI
79AQI
78AQI
83AQI
97AQI
104AQI
122AQI
112AQI
96AQI
84AQI
90AQI
78AQI
85AQI
78AQI
114AQI
116AQI
97AQI
100AQI
97AQI
100AQI
105AQI
84AQI
89AQI
111AQI
128AQI
106AQI
88AQI
85AQI
97AQI
94AQI
96AQI
97AQI
92AQI
62AQI
85AQI
70AQI
73AQI
67AQI
72AQI
71AQI
88AQI
91AQI
82AQI
83AQI
87AQI
81AQI
72AQI
80AQI
109AQI
82AQI
65AQI
75AQI
75AQI
82AQI
81AQI
82AQI
115AQI
83AQI
81AQI
86AQI
76AQI
63AQI
59AQI
67AQI
49AQI
82AQI
101AQI
111AQI
109AQI
90AQI
74AQI
78AQI
81AQI
77AQI
58AQI
58AQI
67AQI
61AQI
69AQI
71AQI
68AQI
62AQI
67AQI
51AQI
52AQI
45AQI
51AQI
47AQI
58AQI
58AQI
50AQI
55AQI
49AQI
44AQI
39AQI
46AQI
44AQI
53AQI
52AQI
55AQI
53AQI
54AQI
54AQI
42AQI
47AQI
56AQI
61AQI
57AQI
48AQI
48AQI
50AQI
48AQI
54AQI
46AQI
49AQI
53AQI
57AQI
60AQI
66AQI
60AQI
62AQI
47AQI
42AQI
39AQI
48AQI
44AQI
46AQI
46AQI
36AQI
42AQI
38AQI
47AQI
44AQI
49AQI
56AQI
60AQI
125AQI
99AQI
92AQI
91AQI
82AQI
56AQI
49AQI
58AQI
No. of days
202585AQI
Highest AQI recorded in
January125AQI
Lowest AQI recorded in
July49AQI
202481AQI
Highest AQI recorded in
December130AQI
Lowest AQI recorded in
July49AQI
202388AQI
Highest AQI recorded in
January112AQI
Lowest AQI recorded in
July55AQI
202278AQI
Highest AQI recorded in
December106AQI
Lowest AQI recorded in
June53AQI
202173AQI
Highest AQI recorded in
January100AQI
Lowest AQI recorded in
August52AQI
202074AQI
Highest AQI recorded in
December102AQI
Lowest AQI recorded in
June51AQI
Most & Least Polluted Years Over the Last 6 Years
Quzhou's annual 2025 AQI (85) shows an average percentage change of 7.7% (worsened AQI) compared to previous years: 2020 (74), 2021 (73), 2022 (78), 2023 (88), 2024 (81).