Penglai Shahe Bridge, Zhuangyuan, Shandong, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Penglai Shahe Bridge, Zhuangyuan, Shandong, China
AQI Trends: Highest and Lowest
Same Day Analysis (3rd July ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 59 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Jul - 4th Jul 2025
Penglai Shahe Bridge, Zhuangyuan, Shandong, China
4 AM3rd Jul 2025
7 PM
3 AM4th Jul 2025
AQI
AQI
64AQI
38AQI
In the last 24 hours,
Penglai Shahe Bridge's AQI reached its highest point of 64 at 4 AM during the Night, while the lowest point, 38, was recorded at 4 PM during the Night between 3rd Jul and 4th Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
Penglai Shahe Bridge, Zhuangyuan, Shandong, China
20°C17/22°C
24°C19/28°C
25°C22/27°C
21°C19/23°C
22°C19/26°C
23°C19/29°C
20°C17/23°C
23°C19/26°C
24°C19/29°C
22°C18/25°C
22°C20/25°C
22°C21/25°C
22°C20/25°C
24°C20/27°C
28°C23/33°C
23°C20/28°C
21°C19/23°C
23°C20/26°C
25°C21/28°C
26°C22/29°C
25°C23/29°C
25°C21/28°C
25°C21/29°C
22°C21/24°C
24°C21/26°C
25°C22/29°C
25°C23/28°C
27°C24/32°C
27°C24/30°C
0°C0/0°C
0°C0/0°C
64AQI
58AQI
62AQI
62AQI
2025 Days Vs Air Quality
Penglai Shahe Bridge, Zhuangyuan, Shandong, China
4%
7
75%
138
18%
34
3%
5
Total number of days with different AQI categories in last 184 days in 2025 (181 days remaining)
Under WHO’s Safe Air Quality Limits: 4%
Health Risk Level:
Extreme
In 2025, 4% of 184 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
Penglai Shahe Bridge, Zhuangyuan, Shandong, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
113AQI
77AQI
87AQI
128AQI
163AQI
81AQI
85AQI
50AQI
51AQI
60AQI
85AQI
102AQI
137AQI
104AQI
76AQI
91AQI
86AQI
137AQI
126AQI
121AQI
151AQI
87AQI
110AQI
101AQI
121AQI
121AQI
74AQI
73AQI
110AQI
82AQI
80AQI
90AQI
125AQI
64AQI
66AQI
54AQI
72AQI
45AQI
47AQI
65AQI
106AQI
87AQI
78AQI
100AQI
125AQI
100AQI
92AQI
63AQI
73AQI
78AQI
75AQI
75AQI
60AQI
68AQI
69AQI
123AQI
130AQI
152AQI
164AQI
157AQI
120AQI
87AQI
72AQI
63AQI
74AQI
95AQI
136AQI
150AQI
144AQI
104AQI
145AQI
87AQI
95AQI
86AQI
69AQI
76AQI
64AQI
99AQI
94AQI
79AQI
99AQI
118AQI
100AQI
110AQI
123AQI
107AQI
66AQI
62AQI
77AQI
99AQI
122AQI
71AQI
96AQI
78AQI
77AQI
78AQI
111AQI
73AQI
88AQI
92AQI
79AQI
80AQI
60AQI
53AQI
81AQI
86AQI
113AQI
68AQI
79AQI
98AQI
62AQI
66AQI
63AQI
52AQI
58AQI
71AQI
75AQI
64AQI
80AQI
84AQI
76AQI
62AQI
60AQI
63AQI
54AQI
58AQI
71AQI
61AQI
60AQI
62AQI
72AQI
77AQI
82AQI
85AQI
78AQI
73AQI
66AQI
68AQI
82AQI
90AQI
67AQI
115AQI
74AQI
95AQI
77AQI
101AQI
101AQI
84AQI
81AQI
84AQI
87AQI
89AQI
75AQI
55AQI
53AQI
63AQI
78AQI
70AQI
67AQI
67AQI
56AQI
56AQI
48AQI
45AQI
40AQI
46AQI
53AQI
55AQI
60AQI
57AQI
54AQI
62AQI
65AQI
65AQI
64AQI
67AQI
73AQI
71AQI
76AQI
63AQI
63AQI
61AQI
59AQI
59AQI
99AQI
87AQI
99AQI
79AQI
76AQI
62AQI
60AQI
No. of days
202583AQI
Highest AQI recorded in
January99AQI
Lowest AQI recorded in
July60AQI
202480AQI
Highest AQI recorded in
March120AQI
Lowest AQI recorded in
September50AQI
202386AQI
Highest AQI recorded in
March125AQI
Lowest AQI recorded in
July56AQI
202272AQI
Highest AQI recorded in
August105AQI
Lowest AQI recorded in
June56AQI
2021126AQI
Highest AQI recorded in
January127AQI
Lowest AQI recorded in
February124AQI
202084AQI
Highest AQI recorded in
December127AQI
Lowest AQI recorded in
August58AQI
Most & Least Polluted Years Over the Last 6 Years
Penglai Shahe Bridge's annual 2025 AQI (83) shows an average percentage change of -3.7% (improved AQI) compared to previous years: 2020 (84), 2021 (126), 2022 (72), 2023 (86), 2024 (80).