Wenzhou, 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
Wenzhou, Zhejiang, 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 58 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Wenzhou, Zhejiang, China
5 AM5th Aug 2025
6 PM
4 AM6th Aug 2025
AQI
AQI
59AQI
44AQI
In the last 24 hours,
Wenzhou's AQI reached its highest point of 59 at 7 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Wenzhou, Zhejiang, China
26°C24/30°C
25°C24/27°C
25°C23/27°C
25°C22/28°C
26°C22/31°C
26°C23/29°C
25°C23/27°C
28°C23/35°C
29°C23/34°C
29°C26/34°C
28°C26/31°C
28°C25/31°C
26°C24/27°C
26°C25/27°C
26°C24/27°C
25°C24/27°C
27°C23/31°C
27°C23/31°C
26°C24/31°C
26°C24/30°C
27°C23/31°C
26°C23/31°C
28°C22/34°C
28°C22/35°C
29°C24/36°C
29°C25/35°C
29°C25/35°C
29°C26/34°C
28°C25/33°C
--°C/°C
--°C/°C
48AQI
46AQI
49AQI
49AQI
2025 Days Vs Air Quality
Wenzhou, Zhejiang, China
15%
32
67%
144
19%
40
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 15%
Health Risk Level:
Extreme
In 2025, 15% 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
Wenzhou, Zhejiang, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
114AQI
101AQI
111AQI
91AQI
103AQI
120AQI
133AQI
126AQI
117AQI
88AQI
94AQI
99AQI
111AQI
105AQI
133AQI
92AQI
117AQI
100AQI
106AQI
120AQI
141AQI
130AQI
110AQI
86AQI
85AQI
67AQI
65AQI
72AQI
104AQI
85AQI
93AQI
64AQI
55AQI
100AQI
109AQI
91AQI
114AQI
88AQI
70AQI
82AQI
88AQI
86AQI
97AQI
134AQI
101AQI
138AQI
112AQI
124AQI
79AQI
107AQI
63AQI
67AQI
73AQI
66AQI
129AQI
131AQI
141AQI
140AQI
111AQI
110AQI
100AQI
98AQI
72AQI
63AQI
57AQI
78AQI
94AQI
93AQI
91AQI
111AQI
88AQI
69AQI
70AQI
41AQI
72AQI
76AQI
85AQI
86AQI
104AQI
84AQI
93AQI
98AQI
114AQI
127AQI
116AQI
116AQI
76AQI
83AQI
66AQI
66AQI
67AQI
84AQI
97AQI
90AQI
87AQI
90AQI
91AQI
88AQI
109AQI
81AQI
92AQI
91AQI
90AQI
99AQI
85AQI
88AQI
108AQI
95AQI
81AQI
100AQI
85AQI
87AQI
71AQI
73AQI
55AQI
72AQI
75AQI
77AQI
75AQI
70AQI
75AQI
77AQI
86AQI
65AQI
77AQI
79AQI
92AQI
71AQI
72AQI
65AQI
70AQI
70AQI
68AQI
65AQI
69AQI
74AQI
74AQI
53AQI
70AQI
70AQI
54AQI
61AQI
62AQI
71AQI
97AQI
86AQI
71AQI
68AQI
51AQI
70AQI
75AQI
69AQI
74AQI
60AQI
73AQI
58AQI
67AQI
69AQI
62AQI
64AQI
54AQI
46AQI
47AQI
46AQI
54AQI
50AQI
48AQI
57AQI
57AQI
54AQI
50AQI
58AQI
68AQI
58AQI
60AQI
60AQI
61AQI
61AQI
53AQI
52AQI
47AQI
46AQI
49AQI
50AQI
54AQI
48AQI
43AQI
37AQI
40AQI
43AQI
48AQI
47AQI
48AQI
50AQI
56AQI
65AQI
63AQI
66AQI
56AQI
45AQI
44AQI
37AQI
39AQI
41AQI
38AQI
37AQI
38AQI
39AQI
39AQI
39AQI
43AQI
51AQI
56AQI
61AQI
61AQI
58AQI
104AQI
99AQI
87AQI
85AQI
71AQI
58AQI
46AQI
59AQI
No. of days
202578AQI
Highest AQI recorded in
January104AQI
Lowest AQI recorded in
July46AQI
202474AQI
Highest AQI recorded in
January120AQI
Lowest AQI recorded in
July50AQI
202379AQI
Highest AQI recorded in
December101AQI
Lowest AQI recorded in
September55AQI
202273AQI
Highest AQI recorded in
January97AQI
Lowest AQI recorded in
October59AQI
202176AQI
Highest AQI recorded in
January101AQI
Lowest AQI recorded in
August53AQI
202073AQI
Highest AQI recorded in
April96AQI
Lowest AQI recorded in
August55AQI
Most & Least Polluted Years Over the Last 6 Years
Wenzhou's annual 2025 AQI (78) shows an average percentage change of 4.2% (worsened AQI) compared to previous years: 2020 (73), 2021 (76), 2022 (73), 2023 (79), 2024 (74).