Gaoji Middle School, Pinghu, 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
Gaoji Middle School, Pinghu, Zhejiang, China
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 70 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Oct - 4th Oct 2025
Gaoji Middle School, Pinghu, Zhejiang, China
5 AM3rd Oct 2025
5 PM
4 AM4th Oct 2025
AQI
AQI
140AQI
58AQI
In the last 24 hours,
Gaoji Middle School's AQI reached its highest point of 140 at 2 PM during the Night, while the lowest point, 58, was recorded at 6 AM during the Night between 3rd Oct and 4th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Gaoji Middle School, Pinghu, Zhejiang, China
29°C27/32°C
29°C28/32°C
29°C27/32°C
29°C26/32°C
30°C28/33°C
26°C24/30°C
26°C25/28°C
27°C26/28°C
28°C26/32°C
28°C26/30°C
28°C26/30°C
28°C26/31°C
29°C27/32°C
29°C26/32°C
26°C25/28°C
28°C26/29°C
23°C22/24°C
24°C23/26°C
26°C23/27°C
27°C26/29°C
27°C26/29°C
27°C26/30°C
27°C26/30°C
28°C26/30°C
28°C25/31°C
26°C24/28°C
25°C22/27°C
24°C22/26°C
27°C24/30°C
--°C/°C
--°C/°C
62AQI
58AQI
63AQI
63AQI
2025 Days Vs Air Quality
Gaoji Middle School, Pinghu, Zhejiang, China
9%
24
75%
206
15%
42
1%
4
Total number of days with different AQI categories in last 276 days in 2025 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 9%
Health Risk Level:
Extreme
In 2025, 9% of 276 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
Gaoji Middle School, Pinghu, Zhejiang, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
127AQI
109AQI
123AQI
96AQI
137AQI
128AQI
130AQI
132AQI
85AQI
97AQI
113AQI
125AQI
138AQI
145AQI
84AQI
105AQI
118AQI
129AQI
145AQI
168AQI
170AQI
123AQI
108AQI
94AQI
78AQI
89AQI
69AQI
82AQI
119AQI
96AQI
97AQI
65AQI
106AQI
120AQI
116AQI
96AQI
99AQI
76AQI
69AQI
81AQI
94AQI
71AQI
135AQI
92AQI
91AQI
96AQI
126AQI
93AQI
89AQI
90AQI
71AQI
69AQI
97AQI
112AQI
135AQI
143AQI
154AQI
148AQI
108AQI
98AQI
93AQI
68AQI
64AQI
64AQI
78AQI
86AQI
125AQI
79AQI
104AQI
102AQI
79AQI
74AQI
65AQI
56AQI
83AQI
72AQI
80AQI
85AQI
100AQI
87AQI
101AQI
99AQI
102AQI
106AQI
127AQI
110AQI
90AQI
96AQI
76AQI
70AQI
77AQI
99AQI
89AQI
88AQI
96AQI
101AQI
95AQI
98AQI
103AQI
101AQI
92AQI
166AQI
88AQI
93AQI
78AQI
84AQI
89AQI
94AQI
104AQI
102AQI
83AQI
87AQI
84AQI
104AQI
75AQI
77AQI
73AQI
85AQI
74AQI
83AQI
80AQI
79AQI
81AQI
65AQI
78AQI
100AQI
88AQI
78AQI
67AQI
66AQI
69AQI
77AQI
76AQI
77AQI
93AQI
91AQI
92AQI
88AQI
79AQI
80AQI
63AQI
69AQI
55AQI
85AQI
84AQI
81AQI
69AQI
73AQI
69AQI
88AQI
78AQI
60AQI
62AQI
70AQI
89AQI
67AQI
77AQI
77AQI
51AQI
66AQI
61AQI
61AQI
60AQI
55AQI
57AQI
49AQI
51AQI
63AQI
62AQI
59AQI
54AQI
56AQI
54AQI
53AQI
55AQI
63AQI
61AQI
62AQI
59AQI
57AQI
53AQI
52AQI
55AQI
57AQI
59AQI
59AQI
57AQI
49AQI
48AQI
49AQI
58AQI
53AQI
51AQI
56AQI
65AQI
65AQI
66AQI
63AQI
62AQI
49AQI
49AQI
45AQI
45AQI
43AQI
46AQI
47AQI
41AQI
42AQI
44AQI
42AQI
35AQI
48AQI
59AQI
59AQI
59AQI
60AQI
56AQI
55AQI
54AQI
58AQI
58AQI
61AQI
63AQI
62AQI
54AQI
49AQI
45AQI
47AQI
53AQI
52AQI
53AQI
58AQI
62AQI
57AQI
56AQI
56AQI
56AQI
57AQI
55AQI
51AQI
53AQI
52AQI
53AQI
57AQI
54AQI
58AQI
62AQI
61AQI
63AQI
70AQI
60AQI
57AQI
55AQI
57AQI
59AQI
63AQI
60AQI
61AQI
60AQI
61AQI
55AQI
55AQI
58AQI
54AQI
48AQI
47AQI
48AQI
49AQI
53AQI
68AQI
91AQI
100AQI
66AQI
77AQI
59AQI
70AQI
115AQI
102AQI
88AQI
92AQI
78AQI
61AQI
52AQI
56AQI
60AQI
69AQI
No. of days
202578AQI
Highest AQI recorded in
January115AQI
Lowest AQI recorded in
July52AQI
202469AQI
Highest AQI recorded in
December113AQI
Lowest AQI recorded in
July51AQI
202379AQI
Highest AQI recorded in
December79AQI
Lowest AQI recorded in
November76AQI
202275AQI
Highest AQI recorded in
February96AQI
Lowest AQI recorded in
September59AQI
202175AQI
Highest AQI recorded in
December113AQI
Lowest AQI recorded in
July53AQI
202075AQI
Highest AQI recorded in
December122AQI
Lowest AQI recorded in
June58AQI
Most & Least Polluted Years Over the Last 6 Years
Gaoji Middle School's annual 2025 AQI (78) shows an average percentage change of 4.4% (worsened AQI) compared to previous years: 2020 (75), 2021 (75), 2022 (75), 2023 (79), 2024 (69).