Mengcun County Meteorological Bureau, Leling, Shandong, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Mengcun County Meteorological Bureau, Leling, Shandong, China
AQI Trends: Highest and Lowest
Same Day Analysis (4th August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 62 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Mengcun County Meteorological Bureau, Leling, Shandong, China
5 AM4th Aug 2025
7 PM
4 AM5th Aug 2025
70AQI
59AQI
63AQI
57AQI
In the last 24 hours,
Mengcun County Meteorological Bureau's AQI reached its highest point of 70 at 10 AM during the Day, while the lowest point, 57, was recorded at 12 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Mengcun County Meteorological Bureau, Leling, Shandong, China
30°C26/34°C
29°C25/36°C
30°C24/37°C
32°C26/37°C
32°C28/37°C
32°C28/36°C
34°C28/40°C
33°C27/38°C
32°C27/36°C
30°C24/35°C
28°C22/35°C
31°C25/36°C
31°C26/37°C
31°C26/36°C
27°C24/32°C
29°C24/36°C
29°C25/34°C
31°C27/35°C
31°C26/36°C
33°C27/39°C
33°C28/38°C
33°C28/38°C
34°C28/40°C
29°C24/35°C
28°C24/33°C
28°C23/33°C
31°C26/37°C
31°C26/38°C
31°C26/36°C
29°C27/31°C
--°C/°C
64AQI
64AQI
65AQI
65AQI
2025 Days Vs Air Quality
Mengcun County Meteorological Bureau, Leling, Shandong, China
0.4%
1
69%
148
28%
61
3%
6
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 0.46%
Health Risk Level:
Extreme
In 2025, 0.46% of 217 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
Mengcun County Meteorological Bureau, Leling, Shandong, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
148AQI
89AQI
125AQI
140AQI
149AQI
83AQI
95AQI
59AQI
71AQI
86AQI
124AQI
91AQI
144AQI
93AQI
92AQI
93AQI
110AQI
144AQI
115AQI
141AQI
131AQI
97AQI
117AQI
122AQI
135AQI
119AQI
78AQI
107AQI
192AQI
108AQI
126AQI
106AQI
148AQI
69AQI
82AQI
60AQI
95AQI
49AQI
56AQI
84AQI
121AQI
140AQI
95AQI
138AQI
127AQI
145AQI
93AQI
84AQI
88AQI
95AQI
111AQI
96AQI
106AQI
68AQI
95AQI
103AQI
131AQI
145AQI
165AQI
177AQI
103AQI
96AQI
95AQI
134AQI
90AQI
147AQI
141AQI
157AQI
160AQI
163AQI
147AQI
147AQI
121AQI
94AQI
78AQI
72AQI
63AQI
80AQI
68AQI
73AQI
79AQI
121AQI
94AQI
87AQI
112AQI
86AQI
89AQI
65AQI
88AQI
104AQI
96AQI
69AQI
93AQI
121AQI
63AQI
108AQI
116AQI
103AQI
106AQI
114AQI
129AQI
104AQI
85AQI
75AQI
80AQI
106AQI
116AQI
78AQI
86AQI
96AQI
108AQI
81AQI
99AQI
62AQI
92AQI
90AQI
75AQI
82AQI
85AQI
92AQI
68AQI
87AQI
56AQI
74AQI
81AQI
81AQI
103AQI
98AQI
76AQI
73AQI
82AQI
80AQI
93AQI
76AQI
74AQI
121AQI
76AQI
97AQI
107AQI
112AQI
97AQI
125AQI
113AQI
91AQI
84AQI
89AQI
94AQI
105AQI
97AQI
101AQI
103AQI
105AQI
93AQI
62AQI
60AQI
74AQI
89AQI
88AQI
89AQI
94AQI
72AQI
80AQI
78AQI
83AQI
84AQI
69AQI
55AQI
62AQI
69AQI
63AQI
65AQI
68AQI
65AQI
68AQI
69AQI
78AQI
81AQI
87AQI
85AQI
75AQI
72AQI
67AQI
65AQI
59AQI
65AQI
62AQI
56AQI
59AQI
62AQI
62AQI
76AQI
74AQI
77AQI
73AQI
63AQI
70AQI
69AQI
67AQI
65AQI
65AQI
72AQI
67AQI
60AQI
54AQI
63AQI
66AQI
62AQI
57AQI
65AQI
56AQI
59AQI
59AQI
63AQI
61AQI
65AQI
62AQI
114AQI
103AQI
107AQI
94AQI
91AQI
76AQI
64AQI
63AQI
No. of days
202592AQI
Highest AQI recorded in
January114AQI
Lowest AQI recorded in
August63AQI
202475AQI
Highest AQI recorded in
October117AQI
Lowest AQI recorded in
February53AQI
202366AQI
Highest AQI recorded in
December66AQI
Lowest AQI recorded in
November65AQI
202294AQI
Highest AQI recorded in
January129AQI
Lowest AQI recorded in
August68AQI
202182AQI
Highest AQI recorded in
March161AQI
Lowest AQI recorded in
October1AQI
2020111AQI
Highest AQI recorded in
December146AQI
Lowest AQI recorded in
August93AQI
Most & Least Polluted Years Over the Last 6 Years
Mengcun County Meteorological Bureau's annual 2025 AQI (92) shows an average percentage change of 11.4% (worsened AQI) compared to previous years: 2020 (111), 2021 (82), 2022 (94), 2023 (66), 2024 (75).