Linyi University, Linyi, Shandong, 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
Linyi University, Linyi, Shandong, China
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 72 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Linyi University, Linyi, Shandong, China
5 AM4th Oct 2025
6 PM
4 AM5th Oct 2025
89AQI
72AQI
87AQI
55AQI
In the last 24 hours,
Linyi University's AQI reached its highest point of 89 at 11 AM during the Day, while the lowest point, 55, was recorded at 4 AM during the Night between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Linyi University, Linyi, Shandong, China
27°C23/33°C
26°C24/28°C
25°C23/29°C
21°C17/22°C
23°C17/29°C
24°C19/30°C
22°C20/25°C
19°C18/20°C
23°C19/28°C
24°C20/29°C
25°C22/30°C
25°C22/31°C
20°C17/23°C
19°C17/22°C
15°C13/15°C
17°C12/23°C
19°C15/23°C
17°C16/19°C
18°C17/20°C
21°C17/25°C
20°C16/27°C
19°C18/21°C
19°C19/20°C
21°C19/23°C
22°C19/26°C
22°C18/27°C
22°C18/28°C
18°C17/19°C
20°C18/23°C
19°C18/20°C
--°C/°C
69AQI
56AQI
66AQI
60AQI
2025 Days Vs Air Quality
Linyi University, Linyi, Shandong, China
3%
9
61%
170
28%
78
7%
20
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 3%
Health Risk Level:
Extreme
In 2025, 3% of 278 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
Linyi University, Linyi, Shandong, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
166AQI
146AQI
126AQI
166AQI
179AQI
110AQI
121AQI
84AQI
87AQI
89AQI
136AQI
136AQI
164AQI
135AQI
94AQI
142AQI
120AQI
162AQI
163AQI
168AQI
180AQI
171AQI
151AQI
125AQI
150AQI
136AQI
80AQI
99AQI
149AQI
139AQI
160AQI
139AQI
166AQI
115AQI
103AQI
79AQI
106AQI
55AQI
77AQI
86AQI
120AQI
113AQI
128AQI
128AQI
150AQI
138AQI
135AQI
99AQI
128AQI
102AQI
109AQI
131AQI
115AQI
117AQI
104AQI
136AQI
145AQI
170AQI
181AQI
131AQI
84AQI
96AQI
108AQI
123AQI
140AQI
140AQI
156AQI
159AQI
160AQI
164AQI
169AQI
116AQI
98AQI
107AQI
80AQI
91AQI
63AQI
94AQI
97AQI
93AQI
98AQI
127AQI
118AQI
143AQI
121AQI
121AQI
124AQI
80AQI
101AQI
103AQI
107AQI
77AQI
99AQI
122AQI
78AQI
105AQI
99AQI
104AQI
131AQI
117AQI
135AQI
161AQI
84AQI
77AQI
80AQI
93AQI
123AQI
123AQI
105AQI
118AQI
97AQI
101AQI
107AQI
90AQI
91AQI
87AQI
111AQI
80AQI
95AQI
97AQI
82AQI
101AQI
68AQI
81AQI
73AQI
91AQI
95AQI
80AQI
52AQI
62AQI
78AQI
78AQI
96AQI
108AQI
101AQI
117AQI
135AQI
85AQI
116AQI
106AQI
112AQI
111AQI
97AQI
91AQI
91AQI
101AQI
101AQI
91AQI
89AQI
94AQI
117AQI
80AQI
85AQI
70AQI
72AQI
83AQI
88AQI
99AQI
102AQI
87AQI
75AQI
76AQI
71AQI
77AQI
77AQI
71AQI
54AQI
63AQI
70AQI
63AQI
53AQI
67AQI
74AQI
75AQI
72AQI
79AQI
82AQI
67AQI
66AQI
55AQI
59AQI
62AQI
57AQI
63AQI
59AQI
61AQI
61AQI
68AQI
56AQI
65AQI
68AQI
70AQI
66AQI
73AQI
52AQI
65AQI
66AQI
61AQI
66AQI
66AQI
60AQI
54AQI
51AQI
48AQI
51AQI
57AQI
49AQI
59AQI
52AQI
50AQI
57AQI
50AQI
52AQI
51AQI
55AQI
63AQI
61AQI
66AQI
71AQI
61AQI
50AQI
53AQI
52AQI
53AQI
55AQI
57AQI
60AQI
58AQI
59AQI
63AQI
63AQI
61AQI
62AQI
64AQI
62AQI
62AQI
72AQI
62AQI
63AQI
66AQI
64AQI
64AQI
56AQI
52AQI
57AQI
59AQI
56AQI
61AQI
63AQI
71AQI
70AQI
62AQI
64AQI
56AQI
51AQI
63AQI
70AQI
70AQI
56AQI
46AQI
44AQI
38AQI
56AQI
61AQI
61AQI
56AQI
51AQI
64AQI
81AQI
64AQI
64AQI
111AQI
88AQI
121AQI
53AQI
41AQI
72AQI
137AQI
121AQI
116AQI
103AQI
94AQI
74AQI
59AQI
60AQI
62AQI
72AQI
No. of days
202591AQI
Highest AQI recorded in
January137AQI
Lowest AQI recorded in
July59AQI
202488AQI
Highest AQI recorded in
February215AQI
Lowest AQI recorded in
July55AQI
2023136AQI
Highest AQI recorded in
December141AQI
Lowest AQI recorded in
November91AQI
2020102AQI
Highest AQI recorded in
April125AQI
Lowest AQI recorded in
August86AQI
Most & Least Polluted Years Over the Last 4 Years
Linyi University's annual 2025 AQI (91) shows an average percentage change of -13.3% (improved AQI) compared to previous years: 2020 (102), 2023 (136), 2024 (88).