Zhugang, Zhejiang, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Zhugang, Zhejiang, China
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 56 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Zhugang, Zhejiang, China
5 AM4th Oct 2025
5 PM
4 AM5th Oct 2025
69AQI
50AQI
62AQI
50AQI
In the last 24 hours,
Zhugang's AQI reached its highest point of 69 at 12 PM during the Day, while the lowest point, 50, was recorded at 3 AM during the Night between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Zhugang, Zhejiang, China
29°C28/29°C
29°C28/30°C
29°C29/30°C
29°C29/29°C
29°C28/29°C
28°C26/28°C
28°C28/29°C
28°C28/29°C
29°C28/29°C
29°C28/29°C
29°C28/29°C
29°C28/30°C
29°C28/30°C
28°C28/29°C
28°C28/28°C
28°C27/28°C
27°C26/27°C
27°C26/27°C
28°C27/28°C
28°C27/28°C
27°C27/28°C
28°C27/28°C
28°C27/29°C
28°C27/29°C
28°C28/29°C
28°C27/29°C
28°C27/28°C
28°C27/28°C
28°C27/29°C
29°C28/29°C
--°C/°C
52AQI
44AQI
55AQI
47AQI
2025 Days Vs Air Quality
Zhugang, Zhejiang, China
23%
65
65%
181
11%
31
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 23%
Health Risk Level:
Very high
In 2025, 23% of 278 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
Zhugang, Zhejiang, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
103AQI
91AQI
102AQI
83AQI
104AQI
117AQI
131AQI
130AQI
106AQI
89AQI
94AQI
97AQI
108AQI
102AQI
114AQI
86AQI
110AQI
95AQI
104AQI
119AQI
141AQI
112AQI
97AQI
83AQI
81AQI
71AQI
65AQI
75AQI
102AQI
86AQI
89AQI
57AQI
63AQI
100AQI
103AQI
92AQI
105AQI
81AQI
67AQI
78AQI
83AQI
77AQI
97AQI
114AQI
83AQI
107AQI
105AQI
109AQI
76AQI
92AQI
68AQI
65AQI
73AQI
75AQI
126AQI
126AQI
143AQI
134AQI
105AQI
95AQI
86AQI
88AQI
63AQI
63AQI
54AQI
75AQI
91AQI
81AQI
79AQI
98AQI
78AQI
64AQI
66AQI
39AQI
73AQI
73AQI
79AQI
82AQI
94AQI
78AQI
84AQI
86AQI
107AQI
116AQI
113AQI
111AQI
81AQI
82AQI
65AQI
63AQI
68AQI
76AQI
88AQI
80AQI
84AQI
89AQI
86AQI
90AQI
93AQI
78AQI
83AQI
94AQI
89AQI
94AQI
80AQI
86AQI
96AQI
90AQI
76AQI
90AQI
78AQI
77AQI
61AQI
69AQI
53AQI
56AQI
68AQI
67AQI
66AQI
68AQI
75AQI
72AQI
81AQI
61AQI
72AQI
77AQI
84AQI
70AQI
69AQI
64AQI
67AQI
69AQI
67AQI
64AQI
64AQI
67AQI
73AQI
54AQI
61AQI
62AQI
52AQI
61AQI
55AQI
68AQI
85AQI
74AQI
66AQI
60AQI
51AQI
67AQI
71AQI
65AQI
67AQI
57AQI
70AQI
57AQI
65AQI
66AQI
63AQI
61AQI
55AQI
40AQI
43AQI
38AQI
49AQI
46AQI
47AQI
55AQI
53AQI
52AQI
47AQI
57AQI
63AQI
56AQI
56AQI
57AQI
58AQI
57AQI
50AQI
49AQI
44AQI
45AQI
48AQI
50AQI
52AQI
47AQI
43AQI
36AQI
40AQI
41AQI
47AQI
44AQI
45AQI
51AQI
56AQI
60AQI
61AQI
62AQI
56AQI
46AQI
44AQI
40AQI
39AQI
39AQI
38AQI
36AQI
38AQI
40AQI
38AQI
39AQI
41AQI
49AQI
54AQI
59AQI
58AQI
56AQI
51AQI
53AQI
57AQI
61AQI
63AQI
63AQI
62AQI
58AQI
51AQI
42AQI
39AQI
41AQI
46AQI
44AQI
46AQI
52AQI
55AQI
53AQI
53AQI
50AQI
46AQI
47AQI
44AQI
41AQI
41AQI
41AQI
48AQI
53AQI
52AQI
54AQI
57AQI
55AQI
53AQI
55AQI
53AQI
51AQI
53AQI
55AQI
56AQI
60AQI
57AQI
56AQI
49AQI
51AQI
50AQI
44AQI
52AQI
45AQI
45AQI
41AQI
43AQI
39AQI
34AQI
36AQI
43AQI
43AQI
49AQI
44AQI
50AQI
43AQI
56AQI
100AQI
93AQI
81AQI
79AQI
67AQI
55AQI
46AQI
51AQI
49AQI
48AQI
No. of days
202568AQI
Highest AQI recorded in
January100AQI
Lowest AQI recorded in
July46AQI
202461AQI
Highest AQI recorded in
January100AQI
Lowest AQI recorded in
March33AQI
202379AQI
Highest AQI recorded in
December80AQI
Lowest AQI recorded in
November77AQI
202258AQI
Highest AQI recorded in
August80AQI
Lowest AQI recorded in
October45AQI
202156AQI
Highest AQI recorded in
January91AQI
Lowest AQI recorded in
August39AQI
202060AQI
Highest AQI recorded in
April83AQI
Lowest AQI recorded in
August45AQI
Most & Least Polluted Years Over the Last 6 Years
Zhugang's annual 2025 AQI (68) shows an average percentage change of 10.6% (worsened AQI) compared to previous years: 2020 (60), 2021 (56), 2022 (58), 2023 (79), 2024 (61).