Experimental Middle School, Linhai, Zhejiang, 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
Experimental Middle School, Linhai, Zhejiang, China
AQI Trends: Highest and Lowest
Same Day Analysis (20th August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 51 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Aug - 21st Aug 2025
Experimental Middle School, Linhai, Zhejiang, China
5 AM20th Aug 2025
6 PM
4 AM21st Aug 2025
60AQI
49AQI
57AQI
52AQI
In the last 24 hours,
Experimental Middle School's AQI reached its highest point of 60 at 6 PM during the Day, while the lowest point, 49, was recorded at 12 PM during the Day between 20th Aug and 21st Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Experimental Middle School, Linhai, Zhejiang, China
25°C21/29°C
26°C22/31°C
26°C21/30°C
24°C21/27°C
26°C22/31°C
26°C21/32°C
25°C22/29°C
25°C21/31°C
24°C21/28°C
27°C23/34°C
28°C22/35°C
28°C23/35°C
28°C22/34°C
28°C23/36°C
27°C24/33°C
28°C22/36°C
28°C21/37°C
30°C24/37°C
30°C23/37°C
28°C23/34°C
28°C22/38°C
27°C23/33°C
27°C22/33°C
26°C21/32°C
27°C22/33°C
27°C21/33°C
26°C21/32°C
26°C20/33°C
27°C20/35°C
27°C22/36°C
--°C/°C
50AQI
46AQI
50AQI
49AQI
2025 Days Vs Air Quality
Experimental Middle School, Linhai, Zhejiang, China
17%
40
69%
160
14%
32
Total number of days with different AQI categories in last 233 days in 2025 (132 days remaining)
Under WHO’s Safe Air Quality Limits: 17%
Health Risk Level:
Extreme
In 2025, 17% of 233 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
Experimental Middle School, Linhai, Zhejiang, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
116AQI
104AQI
110AQI
94AQI
128AQI
123AQI
143AQI
143AQI
96AQI
93AQI
98AQI
106AQI
124AQI
117AQI
108AQI
93AQI
109AQI
109AQI
108AQI
132AQI
147AQI
116AQI
107AQI
96AQI
93AQI
70AQI
66AQI
77AQI
121AQI
95AQI
100AQI
55AQI
75AQI
111AQI
99AQI
88AQI
99AQI
76AQI
65AQI
77AQI
87AQI
78AQI
101AQI
114AQI
88AQI
107AQI
93AQI
97AQI
76AQI
91AQI
71AQI
68AQI
70AQI
101AQI
126AQI
135AQI
140AQI
132AQI
103AQI
93AQI
83AQI
78AQI
51AQI
67AQI
65AQI
84AQI
102AQI
87AQI
88AQI
97AQI
86AQI
72AQI
68AQI
40AQI
76AQI
66AQI
76AQI
83AQI
83AQI
78AQI
82AQI
85AQI
92AQI
100AQI
117AQI
105AQI
84AQI
79AQI
72AQI
67AQI
73AQI
75AQI
96AQI
79AQI
84AQI
90AQI
89AQI
91AQI
93AQI
77AQI
82AQI
97AQI
88AQI
100AQI
76AQI
83AQI
89AQI
89AQI
81AQI
92AQI
79AQI
66AQI
61AQI
68AQI
64AQI
61AQI
66AQI
71AQI
70AQI
73AQI
74AQI
72AQI
78AQI
65AQI
69AQI
80AQI
87AQI
71AQI
64AQI
66AQI
68AQI
72AQI
70AQI
68AQI
73AQI
66AQI
78AQI
71AQI
63AQI
61AQI
52AQI
60AQI
51AQI
73AQI
82AQI
75AQI
71AQI
64AQI
60AQI
69AQI
70AQI
63AQI
56AQI
56AQI
66AQI
56AQI
67AQI
68AQI
58AQI
60AQI
57AQI
45AQI
51AQI
42AQI
48AQI
43AQI
49AQI
58AQI
55AQI
54AQI
50AQI
56AQI
60AQI
54AQI
52AQI
53AQI
52AQI
55AQI
51AQI
48AQI
44AQI
46AQI
49AQI
52AQI
53AQI
50AQI
45AQI
42AQI
45AQI
44AQI
48AQI
47AQI
47AQI
51AQI
56AQI
60AQI
60AQI
58AQI
56AQI
45AQI
44AQI
39AQI
41AQI
40AQI
41AQI
40AQI
36AQI
41AQI
37AQI
39AQI
42AQI
44AQI
54AQI
59AQI
58AQI
57AQI
51AQI
50AQI
52AQI
53AQI
55AQI
61AQI
60AQI
59AQI
48AQI
42AQI
40AQI
44AQI
47AQI
46AQI
49AQI
51AQI
108AQI
94AQI
81AQI
80AQI
69AQI
54AQI
46AQI
52AQI
No. of days
202574AQI
Highest AQI recorded in
January108AQI
Lowest AQI recorded in
July46AQI
202468AQI
Highest AQI recorded in
January121AQI
Lowest AQI recorded in
July48AQI
202377AQI
Highest AQI recorded in
December77AQI
Lowest AQI recorded in
November76AQI
Most & Least Polluted Years Over the Last 3 Years
Experimental Middle School's annual 2025 AQI (74) shows an average percentage change of 2.6% (worsened AQI) compared to previous years: 2023 (77), 2024 (68).