Mazhang Epa, Zhanjiang, Guangdong, 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
Mazhang Epa, Zhanjiang, Guangdong, China
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 56 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
Mazhang Epa, Zhanjiang, Guangdong, China
4 AM3rd Aug 2025
5 PM
3 AM4th Aug 2025
66AQI
40AQI
58AQI
48AQI
In the last 24 hours,
Mazhang Epa's AQI reached its highest point of 66 at 12 PM during the Day, while the lowest point, 40, was recorded at 4 PM during the Day between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Mazhang Epa, Zhanjiang, Guangdong, China
29°C26/33°C
30°C27/33°C
29°C27/33°C
29°C27/32°C
30°C27/33°C
30°C27/34°C
28°C26/30°C
29°C26/31°C
29°C26/31°C
29°C27/33°C
30°C27/33°C
30°C27/34°C
30°C27/33°C
30°C27/34°C
29°C27/34°C
26°C25/27°C
26°C25/27°C
28°C26/31°C
28°C27/30°C
28°C26/31°C
29°C26/33°C
29°C27/33°C
30°C27/33°C
29°C27/33°C
29°C27/32°C
29°C28/32°C
29°C27/33°C
29°C27/32°C
29°C27/32°C
30°C28/33°C
--°C/°C
54AQI
49AQI
53AQI
49AQI
2025 Days Vs Air Quality
Mazhang Epa, Zhanjiang, Guangdong, China
23%
49
62%
133
15%
33
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Under WHO’s Safe Air Quality Limits: 23%
Health Risk Level:
Very high
In 2025, 23% of 216 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
Mazhang Epa, Zhanjiang, Guangdong, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
142AQI
149AQI
136AQI
132AQI
143AQI
143AQI
117AQI
127AQI
139AQI
120AQI
116AQI
98AQI
98AQI
125AQI
101AQI
136AQI
103AQI
117AQI
122AQI
129AQI
115AQI
109AQI
100AQI
83AQI
70AQI
53AQI
73AQI
78AQI
130AQI
82AQI
96AQI
68AQI
68AQI
65AQI
63AQI
79AQI
82AQI
87AQI
87AQI
87AQI
78AQI
76AQI
88AQI
98AQI
72AQI
93AQI
70AQI
109AQI
102AQI
85AQI
73AQI
68AQI
78AQI
94AQI
65AQI
105AQI
115AQI
108AQI
83AQI
82AQI
64AQI
71AQI
63AQI
60AQI
35AQI
51AQI
58AQI
76AQI
68AQI
69AQI
68AQI
61AQI
61AQI
61AQI
45AQI
73AQI
84AQI
90AQI
100AQI
104AQI
98AQI
96AQI
99AQI
99AQI
82AQI
81AQI
73AQI
44AQI
41AQI
52AQI
63AQI
84AQI
82AQI
82AQI
84AQI
87AQI
95AQI
86AQI
83AQI
77AQI
72AQI
76AQI
134AQI
137AQI
149AQI
145AQI
122AQI
108AQI
95AQI
77AQI
69AQI
82AQI
72AQI
76AQI
54AQI
64AQI
59AQI
56AQI
62AQI
65AQI
58AQI
62AQI
63AQI
63AQI
60AQI
62AQI
56AQI
52AQI
49AQI
48AQI
54AQI
63AQI
64AQI
62AQI
51AQI
46AQI
45AQI
50AQI
48AQI
49AQI
51AQI
46AQI
46AQI
43AQI
49AQI
71AQI
78AQI
69AQI
59AQI
52AQI
53AQI
52AQI
53AQI
55AQI
57AQI
52AQI
49AQI
44AQI
50AQI
54AQI
55AQI
54AQI
43AQI
42AQI
37AQI
46AQI
49AQI
51AQI
50AQI
45AQI
43AQI
38AQI
40AQI
35AQI
40AQI
35AQI
39AQI
36AQI
33AQI
36AQI
34AQI
35AQI
30AQI
31AQI
44AQI
47AQI
58AQI
53AQI
56AQI
57AQI
60AQI
56AQI
58AQI
57AQI
56AQI
57AQI
56AQI
51AQI
58AQI
55AQI
55AQI
42AQI
47AQI
47AQI
41AQI
47AQI
51AQI
51AQI
44AQI
49AQI
53AQI
49AQI
53AQI
53AQI
56AQI
112AQI
84AQI
71AQI
87AQI
56AQI
45AQI
50AQI
54AQI
No. of days
202572AQI
Highest AQI recorded in
January112AQI
Lowest AQI recorded in
June45AQI
202471AQI
Highest AQI recorded in
December111AQI
Lowest AQI recorded in
July32AQI
202370AQI
Highest AQI recorded in
January101AQI
Lowest AQI recorded in
July47AQI
202272AQI
Highest AQI recorded in
December107AQI
Lowest AQI recorded in
July39AQI
202175AQI
Highest AQI recorded in
January125AQI
Lowest AQI recorded in
August46AQI
202068AQI
Highest AQI recorded in
December114AQI
Lowest AQI recorded in
June43AQI
Most & Least Polluted Years Over the Last 6 Years
Mazhang Epa's annual 2025 AQI (72) shows an average percentage change of 0.8% (worsened AQI) compared to previous years: 2020 (68), 2021 (75), 2022 (72), 2023 (70), 2024 (71).