Ninth Middle School, Wusong, Anhui, 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
Ninth Middle School, Wusong, Anhui, China
AQI Trends: Highest and Lowest
Same Day Analysis (29th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 66 of Moderate air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 29th Sep - 30th Sep 2025
Ninth Middle School, Wusong, Anhui, China
5 AM29th Sep 2025
6 PM
4 AM30th Sep 2025
95AQI
57AQI
121AQI
65AQI
In the last 24 hours,
Ninth Middle School's AQI reached its highest point of 121 at 12 AM during the Night, while the lowest point, 57, was recorded at 10 AM during the Day between 29th Sep and 30th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Ninth Middle School, Wusong, Anhui, China
24°C24/25°C
26°C24/30°C
27°C23/32°C
28°C24/32°C
29°C25/34°C
30°C25/35°C
28°C25/30°C
28°C24/33°C
28°C23/33°C
24°C23/25°C
25°C23/30°C
27°C23/31°C
27°C23/31°C
24°C22/27°C
26°C23/31°C
28°C24/34°C
30°C26/35°C
26°C23/29°C
22°C21/23°C
23°C18/28°C
19°C18/21°C
21°C19/23°C
24°C20/28°C
24°C21/29°C
20°C19/20°C
22°C21/24°C
25°C23/27°C
26°C24/30°C
26°C24/29°C
23°C21/25°C
--°C/°C
70AQI
64AQI
65AQI
65AQI
2025 Days Vs Air Quality
Ninth Middle School, Wusong, Anhui, China
1%
4
64%
173
29%
79
6%
15
0.3%
1
Total number of days with different AQI categories in last 273 days in 2025 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 1%
Health Risk Level:
Extreme
In 2025, 1% of 273 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
Ninth Middle School, Wusong, Anhui, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
162AQI
169AQI
178AQI
175AQI
165AQI
150AQI
122AQI
127AQI
97AQI
104AQI
120AQI
127AQI
136AQI
153AQI
93AQI
115AQI
118AQI
135AQI
141AQI
164AQI
168AQI
178AQI
187AQI
125AQI
107AQI
114AQI
78AQI
105AQI
137AQI
133AQI
155AQI
110AQI
141AQI
147AQI
134AQI
113AQI
120AQI
102AQI
81AQI
88AQI
98AQI
130AQI
142AQI
117AQI
155AQI
118AQI
146AQI
128AQI
116AQI
126AQI
110AQI
92AQI
120AQI
138AQI
146AQI
155AQI
158AQI
134AQI
114AQI
96AQI
81AQI
71AQI
100AQI
114AQI
124AQI
108AQI
132AQI
140AQI
127AQI
113AQI
123AQI
92AQI
91AQI
77AQI
93AQI
72AQI
93AQI
83AQI
86AQI
85AQI
94AQI
110AQI
102AQI
106AQI
123AQI
118AQI
95AQI
114AQI
112AQI
94AQI
100AQI
106AQI
102AQI
128AQI
120AQI
112AQI
112AQI
113AQI
114AQI
110AQI
104AQI
305AQI
126AQI
119AQI
91AQI
94AQI
98AQI
101AQI
122AQI
109AQI
102AQI
104AQI
104AQI
105AQI
88AQI
86AQI
72AQI
100AQI
94AQI
95AQI
86AQI
85AQI
86AQI
78AQI
84AQI
200AQI
138AQI
96AQI
80AQI
65AQI
80AQI
80AQI
89AQI
95AQI
109AQI
73AQI
90AQI
96AQI
95AQI
78AQI
68AQI
70AQI
88AQI
107AQI
103AQI
108AQI
113AQI
109AQI
87AQI
81AQI
72AQI
56AQI
53AQI
71AQI
84AQI
77AQI
78AQI
65AQI
54AQI
71AQI
63AQI
69AQI
73AQI
78AQI
66AQI
48AQI
58AQI
63AQI
59AQI
56AQI
54AQI
52AQI
46AQI
50AQI
57AQI
63AQI
63AQI
58AQI
51AQI
56AQI
57AQI
57AQI
60AQI
63AQI
66AQI
68AQI
70AQI
69AQI
58AQI
59AQI
64AQI
66AQI
61AQI
64AQI
67AQI
68AQI
68AQI
65AQI
70AQI
66AQI
58AQI
58AQI
52AQI
54AQI
54AQI
55AQI
57AQI
56AQI
57AQI
55AQI
55AQI
53AQI
56AQI
53AQI
57AQI
61AQI
61AQI
55AQI
56AQI
57AQI
59AQI
60AQI
55AQI
58AQI
60AQI
52AQI
47AQI
51AQI
55AQI
56AQI
56AQI
57AQI
57AQI
53AQI
52AQI
56AQI
57AQI
53AQI
58AQI
59AQI
62AQI
60AQI
57AQI
55AQI
62AQI
61AQI
71AQI
71AQI
72AQI
79AQI
72AQI
62AQI
57AQI
59AQI
58AQI
62AQI
59AQI
62AQI
65AQI
63AQI
63AQI
67AQI
63AQI
63AQI
67AQI
76AQI
62AQI
66AQI
81AQI
71AQI
76AQI
66AQI
137AQI
124AQI
102AQI
111AQI
93AQI
62AQI
61AQI
56AQI
66AQI
No. of days
202590AQI
Highest AQI recorded in
January137AQI
Lowest AQI recorded in
August56AQI
202494AQI
Highest AQI recorded in
January143AQI
Lowest AQI recorded in
July56AQI
202396AQI
Highest AQI recorded in
January137AQI
Lowest AQI recorded in
July53AQI
2022102AQI
Highest AQI recorded in
January151AQI
Lowest AQI recorded in
June63AQI
202198AQI
Highest AQI recorded in
December146AQI
Lowest AQI recorded in
July55AQI
202092AQI
Highest AQI recorded in
December163AQI
Lowest AQI recorded in
June57AQI
Most & Least Polluted Years Over the Last 6 Years
Ninth Middle School's annual 2025 AQI (90) shows an average percentage change of -6.5% (improved AQI) compared to previous years: 2020 (92), 2021 (98), 2022 (102), 2023 (96), 2024 (94).