Shandong Institute Of Economics, Jinan, 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
Shandong Institute Of Economics, Jinan, Shandong, China
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 83 of Moderate air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Shandong Institute Of Economics, Jinan, Shandong, China
5 AM4th Oct 2025
6 PM
4 AM5th Oct 2025
96AQI
80AQI
92AQI
66AQI
In the last 24 hours,
Shandong Institute Of Economics's AQI reached its highest point of 96 at 3 PM during the Day, while the lowest point, 66, was recorded at 3 AM during the Night between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Shandong Institute Of Economics, Jinan, Shandong, China
25°C21/30°C
24°C21/29°C
26°C20/33°C
24°C20/29°C
25°C19/32°C
27°C21/33°C
25°C22/31°C
22°C20/26°C
25°C20/32°C
27°C22/33°C
27°C23/33°C
23°C18/30°C
20°C16/24°C
20°C15/24°C
14°C13/15°C
18°C12/25°C
21°C18/25°C
17°C15/18°C
16°C15/17°C
20°C16/26°C
22°C17/28°C
23°C18/29°C
18°C17/20°C
21°C17/26°C
24°C19/29°C
23°C19/28°C
24°C19/29°C
17°C17/18°C
19°C17/23°C
21°C17/26°C
--°C/°C
71AQI
63AQI
70AQI
66AQI
2025 Days Vs Air Quality
Shandong Institute Of Economics, Jinan, Shandong, China
1%
4
74%
205
20%
56
4%
12
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 1%
Health Risk Level:
Extreme
In 2025, 1% 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
Shandong Institute Of Economics, Jinan, Shandong, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
161AQI
102AQI
108AQI
150AQI
136AQI
80AQI
93AQI
55AQI
65AQI
69AQI
110AQI
126AQI
112AQI
109AQI
69AQI
91AQI
89AQI
134AQI
140AQI
116AQI
174AQI
158AQI
183AQI
195AQI
158AQI
138AQI
78AQI
93AQI
106AQI
151AQI
130AQI
138AQI
164AQI
87AQI
84AQI
59AQI
97AQI
50AQI
58AQI
71AQI
107AQI
108AQI
86AQI
96AQI
112AQI
97AQI
97AQI
79AQI
112AQI
93AQI
132AQI
138AQI
116AQI
83AQI
73AQI
118AQI
129AQI
149AQI
149AQI
164AQI
88AQI
95AQI
106AQI
126AQI
141AQI
144AQI
152AQI
150AQI
152AQI
158AQI
147AQI
108AQI
98AQI
124AQI
68AQI
82AQI
59AQI
85AQI
68AQI
69AQI
74AQI
96AQI
119AQI
118AQI
129AQI
104AQI
102AQI
74AQI
84AQI
99AQI
99AQI
61AQI
81AQI
113AQI
62AQI
88AQI
114AQI
121AQI
126AQI
106AQI
115AQI
98AQI
69AQI
74AQI
65AQI
98AQI
138AQI
101AQI
103AQI
97AQI
95AQI
91AQI
93AQI
76AQI
85AQI
73AQI
84AQI
62AQI
70AQI
87AQI
85AQI
85AQI
62AQI
66AQI
96AQI
90AQI
92AQI
89AQI
66AQI
71AQI
68AQI
70AQI
83AQI
109AQI
102AQI
117AQI
98AQI
92AQI
109AQI
105AQI
116AQI
125AQI
103AQI
96AQI
78AQI
85AQI
86AQI
93AQI
87AQI
89AQI
96AQI
97AQI
97AQI
54AQI
52AQI
69AQI
72AQI
97AQI
100AQI
94AQI
67AQI
81AQI
71AQI
76AQI
79AQI
58AQI
47AQI
59AQI
64AQI
59AQI
66AQI
55AQI
52AQI
57AQI
66AQI
73AQI
87AQI
82AQI
66AQI
60AQI
55AQI
55AQI
53AQI
51AQI
55AQI
57AQI
64AQI
63AQI
71AQI
61AQI
76AQI
72AQI
80AQI
77AQI
58AQI
68AQI
68AQI
63AQI
63AQI
74AQI
74AQI
58AQI
50AQI
52AQI
59AQI
59AQI
52AQI
45AQI
55AQI
51AQI
59AQI
63AQI
60AQI
57AQI
64AQI
71AQI
68AQI
68AQI
73AQI
68AQI
54AQI
62AQI
64AQI
62AQI
65AQI
69AQI
62AQI
59AQI
58AQI
65AQI
63AQI
57AQI
58AQI
58AQI
60AQI
64AQI
63AQI
63AQI
63AQI
64AQI
65AQI
65AQI
57AQI
57AQI
62AQI
64AQI
90AQI
80AQI
68AQI
68AQI
73AQI
67AQI
71AQI
66AQI
68AQI
72AQI
74AQI
72AQI
68AQI
51AQI
62AQI
55AQI
53AQI
62AQI
53AQI
67AQI
62AQI
80AQI
64AQI
66AQI
73AQI
88AQI
69AQI
73AQI
64AQI
70AQI
83AQI
119AQI
103AQI
109AQI
92AQI
91AQI
70AQI
61AQI
63AQI
68AQI
73AQI
No. of days
202586AQI
Highest AQI recorded in
January119AQI
Lowest AQI recorded in
July61AQI
202491AQI
Highest AQI recorded in
January127AQI
Lowest AQI recorded in
August64AQI
202398AQI
Highest AQI recorded in
January125AQI
Lowest AQI recorded in
July70AQI
202298AQI
Highest AQI recorded in
January147AQI
Lowest AQI recorded in
July69AQI
2021106AQI
Highest AQI recorded in
March174AQI
Lowest AQI recorded in
September69AQI
2020103AQI
Highest AQI recorded in
December135AQI
Lowest AQI recorded in
September87AQI
Most & Least Polluted Years Over the Last 6 Years
Shandong Institute Of Economics's annual 2025 AQI (86) shows an average percentage change of -13.1% (improved AQI) compared to previous years: 2020 (103), 2021 (106), 2022 (98), 2023 (98), 2024 (91).