Changning Xianxia, Shanghai, Shanghai, 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
Changning Xianxia, Shanghai, Shanghai, China
AQI Trends: Highest and Lowest
Same Day Analysis (20th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 54 of Moderate air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Aug - 21st Aug 2025
Changning Xianxia, Shanghai, Shanghai, China
5 AM20th Aug 2025
6 PM
4 AM21st Aug 2025
76AQI
49AQI
60AQI
52AQI
In the last 24 hours,
Changning Xianxia's AQI reached its highest point of 76 at 2 PM during the Day, while the lowest point, 49, was recorded at 9 AM during the Day between 20th Aug and 21st Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Changning Xianxia, Shanghai, Shanghai, China
29°C27/33°C
29°C26/33°C
29°C26/33°C
29°C27/32°C
28°C27/31°C
29°C26/32°C
28°C26/31°C
28°C26/32°C
25°C23/26°C
28°C23/33°C
29°C26/33°C
29°C27/33°C
30°C26/34°C
30°C27/35°C
30°C27/34°C
31°C28/35°C
31°C27/36°C
31°C28/35°C
32°C28/36°C
28°C27/29°C
29°C26/34°C
29°C26/35°C
30°C27/34°C
30°C27/34°C
30°C27/34°C
30°C27/34°C
30°C27/34°C
30°C27/35°C
31°C28/36°C
31°C28/38°C
--°C/°C
52AQI
49AQI
52AQI
52AQI
2025 Days Vs Air Quality
Changning Xianxia, Shanghai, Shanghai, China
13%
29
66%
153
20%
46
2%
4
Total number of days with different AQI categories in last 233 days in 2025 (132 days remaining)
Under WHO’s Safe Air Quality Limits: 13%
Health Risk Level:
Extreme
In 2025, 13% of 233 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
Changning Xianxia, Shanghai, Shanghai, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
91AQI
84AQI
102AQI
76AQI
128AQI
119AQI
122AQI
137AQI
77AQI
87AQI
101AQI
111AQI
134AQI
144AQI
86AQI
112AQI
122AQI
120AQI
149AQI
167AQI
163AQI
99AQI
96AQI
81AQI
67AQI
81AQI
75AQI
76AQI
120AQI
82AQI
86AQI
58AQI
99AQI
106AQI
117AQI
100AQI
86AQI
77AQI
72AQI
82AQI
90AQI
65AQI
132AQI
65AQI
84AQI
65AQI
135AQI
68AQI
97AQI
79AQI
64AQI
71AQI
101AQI
99AQI
127AQI
135AQI
160AQI
163AQI
128AQI
111AQI
108AQI
71AQI
70AQI
59AQI
78AQI
79AQI
115AQI
75AQI
95AQI
98AQI
72AQI
75AQI
63AQI
56AQI
86AQI
81AQI
74AQI
76AQI
107AQI
95AQI
108AQI
109AQI
102AQI
111AQI
129AQI
112AQI
89AQI
98AQI
66AQI
71AQI
74AQI
108AQI
77AQI
87AQI
117AQI
117AQI
106AQI
110AQI
123AQI
127AQI
122AQI
125AQI
96AQI
84AQI
78AQI
84AQI
89AQI
93AQI
101AQI
92AQI
86AQI
102AQI
116AQI
131AQI
80AQI
75AQI
69AQI
83AQI
72AQI
77AQI
83AQI
78AQI
78AQI
59AQI
73AQI
109AQI
85AQI
78AQI
56AQI
72AQI
70AQI
83AQI
75AQI
77AQI
83AQI
97AQI
97AQI
90AQI
79AQI
86AQI
67AQI
77AQI
40AQI
81AQI
75AQI
74AQI
67AQI
68AQI
71AQI
92AQI
87AQI
56AQI
56AQI
75AQI
96AQI
74AQI
76AQI
74AQI
38AQI
59AQI
53AQI
60AQI
45AQI
37AQI
62AQI
47AQI
56AQI
69AQI
66AQI
64AQI
56AQI
57AQI
49AQI
44AQI
53AQI
62AQI
65AQI
57AQI
58AQI
55AQI
47AQI
47AQI
51AQI
53AQI
55AQI
55AQI
54AQI
41AQI
41AQI
44AQI
61AQI
50AQI
46AQI
54AQI
64AQI
65AQI
70AQI
69AQI
62AQI
50AQI
53AQI
47AQI
50AQI
48AQI
47AQI
51AQI
41AQI
40AQI
41AQI
41AQI
31AQI
45AQI
54AQI
57AQI
58AQI
59AQI
56AQI
56AQI
55AQI
56AQI
57AQI
61AQI
62AQI
62AQI
51AQI
43AQI
42AQI
47AQI
51AQI
48AQI
51AQI
54AQI
106AQI
97AQI
88AQI
97AQI
78AQI
59AQI
51AQI
54AQI
No. of days
202580AQI
Highest AQI recorded in
January106AQI
Lowest AQI recorded in
July51AQI
202480AQI
Highest AQI recorded in
January125AQI
Lowest AQI recorded in
September52AQI
202383AQI
Highest AQI recorded in
December117AQI
Lowest AQI recorded in
July59AQI
202276AQI
Highest AQI recorded in
January107AQI
Lowest AQI recorded in
October55AQI
202183AQI
Highest AQI recorded in
December112AQI
Lowest AQI recorded in
July56AQI
202079AQI
Highest AQI recorded in
December107AQI
Lowest AQI recorded in
August63AQI
Most & Least Polluted Years Over the Last 6 Years
Changning Xianxia's annual 2025 AQI (80) shows an average percentage change of -0.3% (improved AQI) compared to previous years: 2020 (79), 2021 (83), 2022 (76), 2023 (83), 2024 (80).