Wencheng, Hainan, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Wencheng, Hainan, China
AQI Trends: Highest and Lowest
Same Day Analysis (2nd July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 28 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Wencheng, Hainan, China
5 AM2nd Jul 2025
7 PM
4 AM3rd Jul 2025
31AQI
23AQI
30AQI
24AQI
In the last 24 hours,
Wencheng's AQI reached its highest point of 31 at 12 PM during the Day, while the lowest point, 23, was recorded at 6 PM during the Day between 2nd Jul and 3rd Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
Wencheng, Hainan, China
28°C26/32°C
27°C26/30°C
28°C26/32°C
29°C27/32°C
29°C27/33°C
29°C27/33°C
29°C27/34°C
29°C26/34°C
28°C26/31°C
27°C26/30°C
27°C26/28°C
27°C25/28°C
29°C26/33°C
29°C27/32°C
28°C27/31°C
28°C27/31°C
28°C27/31°C
28°C26/31°C
28°C27/31°C
29°C27/32°C
29°C27/33°C
28°C26/31°C
29°C26/33°C
27°C24/31°C
28°C26/32°C
28°C25/31°C
28°C26/32°C
28°C25/31°C
29°C26/32°C
28°C26/31°C
0°C0/0°C
39AQI
33AQI
40AQI
36AQI
2025 Days Vs Air Quality
Wencheng, Hainan, China
46%
85
49%
90
4%
8
Total number of days with different AQI categories in last 184 days in 2025 (181 days remaining)
Under WHO’s Safe Air Quality Limits: 46%
Health Risk Level:
Significant
In 2025, 46% of 184 days were within WHO’s safe air quality limits, and 54% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Wencheng, Hainan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
106AQI
84AQI
94AQI
90AQI
101AQI
115AQI
90AQI
91AQI
113AQI
111AQI
92AQI
84AQI
76AQI
73AQI
81AQI
94AQI
86AQI
86AQI
92AQI
91AQI
78AQI
87AQI
76AQI
59AQI
61AQI
57AQI
59AQI
63AQI
83AQI
62AQI
61AQI
46AQI
47AQI
43AQI
46AQI
53AQI
56AQI
70AQI
60AQI
66AQI
56AQI
57AQI
45AQI
61AQI
45AQI
65AQI
44AQI
58AQI
81AQI
69AQI
70AQI
60AQI
47AQI
55AQI
48AQI
57AQI
67AQI
65AQI
58AQI
58AQI
54AQI
57AQI
41AQI
42AQI
29AQI
41AQI
40AQI
63AQI
60AQI
57AQI
48AQI
44AQI
37AQI
51AQI
46AQI
68AQI
74AQI
75AQI
76AQI
80AQI
77AQI
79AQI
73AQI
67AQI
50AQI
55AQI
49AQI
49AQI
33AQI
33AQI
38AQI
57AQI
53AQI
51AQI
53AQI
39AQI
57AQI
56AQI
59AQI
57AQI
50AQI
52AQI
113AQI
115AQI
101AQI
89AQI
82AQI
62AQI
46AQI
48AQI
55AQI
58AQI
49AQI
52AQI
41AQI
43AQI
39AQI
44AQI
51AQI
52AQI
52AQI
58AQI
57AQI
56AQI
49AQI
54AQI
53AQI
50AQI
48AQI
45AQI
51AQI
59AQI
56AQI
46AQI
39AQI
35AQI
38AQI
38AQI
38AQI
40AQI
41AQI
37AQI
34AQI
34AQI
43AQI
65AQI
54AQI
46AQI
39AQI
44AQI
39AQI
43AQI
43AQI
46AQI
50AQI
41AQI
39AQI
41AQI
39AQI
46AQI
50AQI
44AQI
36AQI
41AQI
38AQI
43AQI
43AQI
44AQI
38AQI
36AQI
34AQI
31AQI
34AQI
29AQI
27AQI
28AQI
24AQI
25AQI
29AQI
27AQI
29AQI
29AQI
28AQI
84AQI
57AQI
55AQI
59AQI
46AQI
37AQI
29AQI
No. of days
202556AQI
Highest AQI recorded in
January84AQI
Lowest AQI recorded in
July29AQI
202450AQI
Highest AQI recorded in
December84AQI
Lowest AQI recorded in
July30AQI
202353AQI
Highest AQI recorded in
January69AQI
Lowest AQI recorded in
July20AQI
202245AQI
Highest AQI recorded in
September59AQI
Lowest AQI recorded in
July28AQI
202147AQI
Highest AQI recorded in
January79AQI
Lowest AQI recorded in
September31AQI
202042AQI
Highest AQI recorded in
December75AQI
Lowest AQI recorded in
June22AQI
Most & Least Polluted Years Over the Last 6 Years
Wencheng's annual 2025 AQI (56) shows an average percentage change of 19.02% (worsened AQI) compared to previous years: 2020 (42), 2021 (47), 2022 (45), 2023 (53), 2024 (50).