Zhenping County Yudu School, Nanyang, Henan, 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
Zhenping County Yudu School, Nanyang, Henan, China
AQI Trends: Highest and Lowest
Same Day Analysis (21st September ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 56 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 22nd Sep - 23rd Sep 2025
Zhenping County Yudu School, Nanyang, Henan, China
6 AM22nd Sep 2025
6 PM
5 AM23rd Sep 2025
AQI
AQI
58AQI
23AQI
In the last 24 hours,
Zhenping County Yudu School's AQI reached its highest point of 58 at 3 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 22nd Sep and 23rd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Zhenping County Yudu School, Nanyang, Henan, China
24°C23/26°C
25°C22/29°C
27°C23/33°C
29°C24/36°C
27°C24/33°C
26°C23/31°C
24°C22/27°C
25°C22/29°C
26°C21/32°C
27°C22/32°C
25°C21/28°C
22°C21/24°C
23°C22/26°C
21°C19/23°C
22°C19/25°C
21°C19/23°C
22°C18/27°C
22°C20/26°C
21°C18/23°C
21°C19/25°C
24°C19/29°C
25°C20/31°C
25°C23/30°C
25°C22/29°C
19°C17/21°C
15°C14/16°C
15°C14/19°C
18°C13/24°C
19°C16/22°C
--°C/°C
--°C/°C
58AQI
49AQI
58AQI
52AQI
2025 Days Vs Air Quality
Zhenping County Yudu School, Nanyang, Henan, China
6%
16
51%
135
32%
85
9%
25
1%
3
Total number of days with different AQI categories in last 265 days in 2025 (100 days remaining)
Under WHO’s Safe Air Quality Limits: 6%
Health Risk Level:
Extreme
In 2025, 6% of 265 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
Zhenping County Yudu School, Nanyang, Henan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
172AQI
180AQI
175AQI
192AQI
155AQI
156AQI
142AQI
142AQI
114AQI
142AQI
128AQI
122AQI
152AQI
114AQI
102AQI
125AQI
132AQI
156AQI
160AQI
170AQI
174AQI
208AQI
171AQI
146AQI
135AQI
93AQI
102AQI
134AQI
193AQI
181AQI
178AQI
164AQI
166AQI
135AQI
131AQI
101AQI
100AQI
91AQI
77AQI
103AQI
123AQI
142AQI
113AQI
137AQI
140AQI
140AQI
121AQI
121AQI
118AQI
146AQI
148AQI
161AQI
159AQI
165AQI
156AQI
149AQI
148AQI
153AQI
160AQI
150AQI
89AQI
89AQI
87AQI
109AQI
123AQI
137AQI
138AQI
148AQI
138AQI
147AQI
138AQI
153AQI
105AQI
108AQI
80AQI
84AQI
75AQI
78AQI
74AQI
80AQI
84AQI
99AQI
96AQI
95AQI
120AQI
118AQI
123AQI
99AQI
106AQI
102AQI
109AQI
90AQI
103AQI
121AQI
109AQI
115AQI
111AQI
120AQI
128AQI
114AQI
116AQI
268AQI
148AQI
105AQI
107AQI
106AQI
120AQI
121AQI
111AQI
102AQI
101AQI
121AQI
124AQI
99AQI
107AQI
102AQI
99AQI
78AQI
85AQI
84AQI
101AQI
102AQI
84AQI
87AQI
93AQI
279AQI
158AQI
130AQI
111AQI
91AQI
88AQI
96AQI
102AQI
91AQI
99AQI
97AQI
130AQI
130AQI
131AQI
118AQI
114AQI
101AQI
109AQI
102AQI
103AQI
95AQI
106AQI
98AQI
97AQI
89AQI
76AQI
80AQI
79AQI
83AQI
83AQI
84AQI
82AQI
76AQI
72AQI
76AQI
76AQI
74AQI
76AQI
77AQI
72AQI
70AQI
72AQI
73AQI
62AQI
53AQI
61AQI
65AQI
68AQI
65AQI
64AQI
64AQI
54AQI
57AQI
55AQI
50AQI
54AQI
49AQI
44AQI
44AQI
51AQI
51AQI
52AQI
54AQI
62AQI
57AQI
59AQI
73AQI
75AQI
66AQI
64AQI
65AQI
68AQI
63AQI
63AQI
64AQI
63AQI
62AQI
62AQI
46AQI
46AQI
53AQI
55AQI
52AQI
53AQI
53AQI
56AQI
59AQI
62AQI
62AQI
64AQI
67AQI
67AQI
64AQI
60AQI
57AQI
52AQI
54AQI
51AQI
54AQI
53AQI
56AQI
55AQI
47AQI
51AQI
57AQI
57AQI
49AQI
52AQI
50AQI
53AQI
53AQI
57AQI
60AQI
58AQI
60AQI
59AQI
59AQI
55AQI
54AQI
58AQI
62AQI
49AQI
51AQI
59AQI
62AQI
51AQI
52AQI
59AQI
50AQI
47AQI
57AQI
57AQI
56AQI
61AQI
49AQI
46AQI
41AQI
47AQI
56AQI
150AQI
135AQI
109AQI
114AQI
110AQI
69AQI
58AQI
57AQI
54AQI
No. of days
202596AQI
Highest AQI recorded in
January150AQI
Lowest AQI recorded in
September54AQI
202498AQI
Highest AQI recorded in
February197AQI
Lowest AQI recorded in
July53AQI
2023132AQI
Highest AQI recorded in
December135AQI
Lowest AQI recorded in
November103AQI
2021128AQI
Highest AQI recorded in
January140AQI
Lowest AQI recorded in
March94AQI
202093AQI
Highest AQI recorded in
December147AQI
Lowest AQI recorded in
August55AQI
Most & Least Polluted Years Over the Last 5 Years
Zhenping County Yudu School's annual 2025 AQI (96) shows an average percentage change of -12.7% (improved AQI) compared to previous years: 2020 (93), 2021 (128), 2023 (132), 2024 (98).