Ouhai, Wenzhou, Zhejiang, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
March Air Quality Analysis
Ouhai, Wenzhou, Zhejiang, China
AQI Trends: Highest and Lowest
Same Day Analysis (7th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 79 of Moderate air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 7th Mar - 8th Mar 2026
Ouhai, Wenzhou, Zhejiang, China
6 AM7th Mar 2026
5 PM
5 AM8th Mar 2026
100AQI
72AQI
69AQI
56AQI
In the last 24 hours,
Ouhai's AQI reached its highest point of 100 at 4 PM during the Day, while the lowest point, 56, was recorded at 12 AM during the Night between 7th Mar and 8th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Ouhai, Wenzhou, Zhejiang, China
8°C6/10°C
6°C3/10°C
6°C1/10°C
13°C7/19°C
12°C9/15°C
12°C8/16°C
13°C9/18°C
18°C14/24°C
17°C14/22°C
12°C9/15°C
10°C8/12°C
11°C7/16°C
12°C8/16°C
15°C11/20°C
15°C10/22°C
18°C12/25°C
15°C12/18°C
17°C14/22°C
13°C12/13°C
12°C12/13°C
15°C13/18°C
13°C12/15°C
14°C13/14°C
17°C13/23°C
14°C11/18°C
12°C10/15°C
12°C11/14°C
14°C10/19°C
10°C8/13°C
9°C7/11°C
70AQI
55AQI
68AQI
59AQI
2026 Days Vs Air Quality
Ouhai, Wenzhou, Zhejiang, China
23%
15
45%
30
32%
21
Total number of days with different AQI categories in last 68 days in 2026 (297 days remaining)
Under WHO’s Safe Air Quality Limits: 23%
Health Risk Level:
Very high
In 2026, 23% of 68 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Ouhai, Wenzhou, Zhejiang, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
52AQI (US)
56AQI (US)
111AQI (US)
141AQI (US)
104AQI (US)
100AQI (US)
111AQI (US)
119AQI (US)
134AQI (US)
129AQI (US)
108AQI (US)
100AQI (US)
124AQI (US)
126AQI (US)
113AQI (US)
124AQI (US)
144AQI (US)
124AQI (US)
96AQI (US)
18AQI (US)
57AQI (US)
93AQI (US)
106AQI (US)
106AQI (US)
146AQI (US)
113AQI (US)
46AQI (US)
65AQI (US)
59AQI (US)
52AQI (US)
17AQI (US)
34AQI (US)
67AQI (US)
92AQI (US)
56AQI (US)
78AQI (US)
91AQI (US)
25AQI (US)
58AQI (US)
59AQI (US)
60AQI (US)
77AQI (US)
139AQI (US)
120AQI (US)
76AQI (US)
79AQI (US)
50AQI (US)
56AQI (US)
75AQI (US)
106AQI (US)
96AQI (US)
89AQI (US)
75AQI (US)
84AQI (US)
81AQI (US)
45AQI (US)
60AQI (US)
28AQI (US)
40AQI (US)
35AQI (US)
30AQI (US)
28AQI (US)
49AQI (US)
31AQI (US)
49AQI (US)
79AQI (US)
97AQI (US)
71AQI (US)
43AQI (US)
No. of days
202680AQI (US)
Highest AQI (US) recorded in
January97AQI (US)
Lowest AQI (US) recorded in
March43AQI (US)
202577AQI (US)
Highest AQI (US) recorded in
January106AQI (US)
Lowest AQI (US) recorded in
July47AQI (US)
202477AQI (US)
Highest AQI (US) recorded in
January121AQI (US)
Lowest AQI (US) recorded in
July52AQI (US)
202383AQI (US)
Highest AQI (US) recorded in
March107AQI (US)
Lowest AQI (US) recorded in
July60AQI (US)
202278AQI (US)
Highest AQI (US) recorded in
January94AQI (US)
Lowest AQI (US) recorded in
October64AQI (US)
202181AQI (US)
Highest AQI (US) recorded in
January112AQI (US)
Lowest AQI (US) recorded in
September60AQI (US)
202081AQI (US)
Highest AQI (US) recorded in
April104AQI (US)
Lowest AQI (US) recorded in
August61AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Ouhai's annual 2026 AQI (US) (80) shows an average percentage change of 0.9% (worsened AQI (US)) compared to previous years: 2020 (81), 2021 (81), 2022 (78), 2023 (83), 2024 (77), 2025 (77).