City Environmental Company, Shengli, 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
City Environmental Company, Shengli, Shandong, China
AQI Trends: Highest and Lowest
Same Day Analysis (17th October ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 65 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Oct - 18th Oct 2025
City Environmental Company, Shengli, Shandong, China
6 AM17th Oct 2025
5 PM
5 AM18th Oct 2025
AQI
AQI
94AQI
42AQI
In the last 24 hours,
City Environmental Company's AQI reached its highest point of 94 at 1 PM during the Night, while the lowest point, 42, was recorded at 5 AM during the Night between 17th Oct and 18th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
City Environmental Company, Shengli, Shandong, China
21°C16/25°C
15°C13/16°C
18°C12/25°C
21°C18/25°C
19°C18/21°C
18°C17/18°C
20°C16/25°C
22°C17/28°C
23°C18/28°C
21°C18/21°C
21°C17/25°C
23°C19/28°C
24°C20/28°C
25°C21/29°C
19°C18/19°C
20°C18/24°C
22°C18/26°C
20°C17/21°C
17°C16/17°C
19°C16/22°C
18°C16/21°C
16°C14/16°C
16°C15/16°C
14°C14/14°C
14°C13/15°C
16°C13/20°C
17°C13/22°C
16°C15/18°C
15°C14/17°C
--°C/°C
--°C/°C
79AQI
57AQI
69AQI
56AQI
2025 Days Vs Air Quality
City Environmental Company, Shengli, Shandong, China
6%
16
77%
224
16%
46
1%
4
Total number of days with different AQI categories in last 290 days in 2025 (75 days remaining)
Under WHO’s Safe Air Quality Limits: 6%
Health Risk Level:
Extreme
In 2025, 6% of 290 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
City Environmental Company, Shengli, Shandong, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
144AQI
76AQI
132AQI
147AQI
169AQI
98AQI
107AQI
58AQI
63AQI
78AQI
111AQI
106AQI
139AQI
99AQI
85AQI
86AQI
91AQI
138AQI
126AQI
142AQI
138AQI
84AQI
131AQI
117AQI
105AQI
105AQI
59AQI
84AQI
130AQI
121AQI
101AQI
86AQI
135AQI
65AQI
78AQI
54AQI
78AQI
44AQI
55AQI
72AQI
111AQI
115AQI
83AQI
110AQI
117AQI
109AQI
77AQI
68AQI
73AQI
71AQI
93AQI
77AQI
78AQI
64AQI
77AQI
99AQI
123AQI
148AQI
166AQI
123AQI
96AQI
77AQI
101AQI
86AQI
92AQI
92AQI
141AQI
138AQI
156AQI
157AQI
129AQI
88AQI
96AQI
73AQI
69AQI
63AQI
54AQI
79AQI
77AQI
75AQI
91AQI
119AQI
119AQI
89AQI
101AQI
81AQI
67AQI
61AQI
80AQI
95AQI
108AQI
66AQI
80AQI
109AQI
60AQI
87AQI
124AQI
79AQI
95AQI
92AQI
105AQI
101AQI
68AQI
68AQI
73AQI
97AQI
123AQI
70AQI
79AQI
74AQI
89AQI
66AQI
94AQI
61AQI
85AQI
79AQI
70AQI
74AQI
75AQI
94AQI
90AQI
81AQI
66AQI
75AQI
78AQI
67AQI
96AQI
75AQI
67AQI
66AQI
76AQI
78AQI
88AQI
94AQI
72AQI
106AQI
78AQI
86AQI
109AQI
102AQI
90AQI
114AQI
86AQI
84AQI
75AQI
87AQI
94AQI
94AQI
91AQI
88AQI
108AQI
96AQI
99AQI
61AQI
55AQI
71AQI
81AQI
86AQI
83AQI
93AQI
62AQI
67AQI
60AQI
59AQI
66AQI
60AQI
54AQI
63AQI
65AQI
59AQI
61AQI
66AQI
77AQI
72AQI
76AQI
78AQI
87AQI
91AQI
88AQI
74AQI
67AQI
59AQI
56AQI
59AQI
61AQI
63AQI
48AQI
65AQI
57AQI
63AQI
66AQI
67AQI
72AQI
70AQI
53AQI
58AQI
54AQI
60AQI
61AQI
60AQI
62AQI
45AQI
49AQI
43AQI
47AQI
56AQI
56AQI
46AQI
48AQI
51AQI
47AQI
51AQI
57AQI
57AQI
60AQI
53AQI
65AQI
65AQI
58AQI
62AQI
46AQI
51AQI
59AQI
64AQI
64AQI
67AQI
58AQI
55AQI
54AQI
62AQI
66AQI
65AQI
64AQI
63AQI
62AQI
62AQI
62AQI
58AQI
63AQI
56AQI
57AQI
57AQI
52AQI
56AQI
65AQI
67AQI
60AQI
65AQI
66AQI
69AQI
78AQI
71AQI
72AQI
69AQI
72AQI
74AQI
81AQI
82AQI
81AQI
51AQI
51AQI
47AQI
56AQI
62AQI
66AQI
72AQI
74AQI
89AQI
100AQI
99AQI
80AQI
108AQI
95AQI
87AQI
62AQI
42AQI
54AQI
69AQI
58AQI
73AQI
77AQI
38AQI
39AQI
50AQI
60AQI
49AQI
88AQI
72AQI
73AQI
65AQI
109AQI
90AQI
96AQI
85AQI
86AQI
73AQI
57AQI
59AQI
73AQI
62AQI
No. of days
202580AQI
Highest AQI recorded in
January109AQI
Lowest AQI recorded in
July57AQI
202486AQI
Highest AQI recorded in
February158AQI
Lowest AQI recorded in
July63AQI
2023117AQI
Highest AQI recorded in
December123AQI
Lowest AQI recorded in
November57AQI
2021127AQI
Highest AQI recorded in
January137AQI
Lowest AQI recorded in
March85AQI
2020102AQI
Highest AQI recorded in
December144AQI
Lowest AQI recorded in
August83AQI
Most & Least Polluted Years Over the Last 5 Years
City Environmental Company's annual 2025 AQI (80) shows an average percentage change of -24.7% (improved AQI) compared to previous years: 2020 (102), 2021 (127), 2023 (117), 2024 (86).