Liao Dadong School, Liaocheng, Shandong, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Liao Dadong School, Liaocheng, Shandong, China
AQI Trends: Highest and Lowest
Same Day Analysis (16th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 65 of Moderate air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Sep - 18th Sep 2025
Liao Dadong School, Liaocheng, Shandong, China
5 AM17th Sep 2025
6 PM
4 AM18th Sep 2025
AQI
AQI
69AQI
26AQI
In the last 24 hours,
Liao Dadong School's AQI reached its highest point of 69 at 7 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 17th Sep and 18th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Liao Dadong School, Liaocheng, Shandong, China
31°C26/38°C
32°C27/37°C
31°C26/38°C
30°C26/36°C
28°C23/33°C
22°C20/25°C
25°C20/30°C
27°C21/33°C
28°C23/33°C
28°C24/32°C
27°C23/32°C
25°C21/29°C
24°C21/29°C
26°C20/33°C
26°C21/31°C
25°C22/28°C
24°C21/28°C
23°C20/27°C
24°C19/30°C
26°C19/33°C
24°C19/29°C
25°C17/33°C
25°C18/33°C
24°C20/29°C
20°C18/24°C
25°C19/33°C
26°C20/34°C
26°C21/31°C
23°C17/29°C
--°C/°C
--°C/°C
68AQI
61AQI
64AQI
64AQI
2025 Days Vs Air Quality
Liao Dadong School, Liaocheng, Shandong, China
62%
160
28%
72
10%
27
Total number of days with different AQI categories in last 260 days in 2025 (105 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2025, 0% of 260 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
Liao Dadong School, Liaocheng, Shandong, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
175AQI
117AQI
153AQI
174AQI
169AQI
91AQI
120AQI
66AQI
91AQI
106AQI
138AQI
123AQI
153AQI
125AQI
101AQI
121AQI
135AQI
155AQI
157AQI
153AQI
188AQI
140AQI
167AQI
190AQI
154AQI
133AQI
80AQI
117AQI
170AQI
168AQI
153AQI
156AQI
169AQI
97AQI
90AQI
71AQI
154AQI
55AQI
72AQI
93AQI
122AQI
137AQI
116AQI
135AQI
141AQI
151AQI
88AQI
99AQI
122AQI
98AQI
132AQI
138AQI
110AQI
77AQI
106AQI
112AQI
143AQI
151AQI
161AQI
168AQI
94AQI
90AQI
79AQI
130AQI
105AQI
147AQI
137AQI
156AQI
157AQI
159AQI
157AQI
133AQI
113AQI
127AQI
76AQI
89AQI
59AQI
92AQI
68AQI
74AQI
81AQI
104AQI
143AQI
128AQI
128AQI
125AQI
138AQI
82AQI
104AQI
106AQI
111AQI
66AQI
101AQI
115AQI
65AQI
104AQI
123AQI
139AQI
143AQI
148AQI
143AQI
113AQI
92AQI
79AQI
83AQI
115AQI
153AQI
109AQI
109AQI
110AQI
102AQI
91AQI
113AQI
79AQI
99AQI
91AQI
93AQI
82AQI
82AQI
97AQI
74AQI
101AQI
65AQI
82AQI
100AQI
93AQI
110AQI
104AQI
72AQI
74AQI
78AQI
80AQI
96AQI
94AQI
77AQI
122AQI
137AQI
101AQI
122AQI
115AQI
122AQI
133AQI
121AQI
100AQI
90AQI
93AQI
98AQI
98AQI
93AQI
97AQI
104AQI
119AQI
108AQI
71AQI
61AQI
80AQI
84AQI
106AQI
106AQI
111AQI
84AQI
96AQI
79AQI
80AQI
87AQI
62AQI
51AQI
64AQI
67AQI
58AQI
66AQI
65AQI
63AQI
68AQI
72AQI
74AQI
79AQI
85AQI
70AQI
62AQI
62AQI
53AQI
57AQI
56AQI
59AQI
60AQI
60AQI
62AQI
67AQI
59AQI
82AQI
78AQI
82AQI
82AQI
68AQI
78AQI
71AQI
66AQI
69AQI
77AQI
72AQI
76AQI
56AQI
53AQI
60AQI
66AQI
61AQI
58AQI
61AQI
54AQI
63AQI
62AQI
60AQI
57AQI
62AQI
68AQI
64AQI
69AQI
74AQI
71AQI
53AQI
58AQI
63AQI
58AQI
62AQI
67AQI
64AQI
56AQI
57AQI
62AQI
62AQI
58AQI
57AQI
57AQI
60AQI
60AQI
57AQI
63AQI
63AQI
59AQI
63AQI
65AQI
57AQI
52AQI
60AQI
64AQI
76AQI
74AQI
68AQI
71AQI
73AQI
64AQI
69AQI
67AQI
67AQI
78AQI
72AQI
68AQI
65AQI
138AQI
118AQI
114AQI
105AQI
98AQI
78AQI
65AQI
61AQI
68AQI
No. of days
202595AQI
Highest AQI recorded in
January138AQI
Lowest AQI recorded in
August61AQI
2024111AQI
Highest AQI recorded in
January156AQI
Lowest AQI recorded in
August79AQI
2023114AQI
Highest AQI recorded in
January160AQI
Lowest AQI recorded in
July70AQI
2022114AQI
Highest AQI recorded in
January166AQI
Lowest AQI recorded in
July75AQI
2021122AQI
Highest AQI recorded in
March181AQI
Lowest AQI recorded in
July76AQI
2020118AQI
Highest AQI recorded in
December156AQI
Lowest AQI recorded in
August92AQI
Most & Least Polluted Years Over the Last 6 Years
Liao Dadong School's annual 2025 AQI (95) shows an average percentage change of -17.6% (improved AQI) compared to previous years: 2020 (118), 2021 (122), 2022 (114), 2023 (114), 2024 (111).