Shijixing Kindergarden, Huanglongsi, 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
Shijixing Kindergarden, Huanglongsi, Henan, China
AQI Trends: Highest and Lowest
Same Day Analysis (22nd September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 49 of Good air quality, showing improvement over 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 23rd Sep - 24th Sep 2025
Shijixing Kindergarden, Huanglongsi, Henan, China
6 AM23rd Sep 2025
6 PM
5 AM24th Sep 2025
59AQI
37AQI
65AQI
48AQI
In the last 24 hours,
Shijixing Kindergarden's AQI reached its highest point of 65 at 12 AM during the Night, while the lowest point, 37, was recorded at 6 PM during the Day between 23rd Sep and 24th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Shijixing Kindergarden, Huanglongsi, Henan, China
26°C21/31°C
26°C23/31°C
29°C24/35°C
29°C25/35°C
27°C23/34°C
25°C22/30°C
25°C21/32°C
27°C21/33°C
26°C21/32°C
22°C20/24°C
21°C20/22°C
23°C20/26°C
21°C19/25°C
22°C20/26°C
21°C18/24°C
22°C18/27°C
22°C19/26°C
19°C17/21°C
19°C17/22°C
23°C19/28°C
25°C20/30°C
26°C23/30°C
23°C18/25°C
19°C15/22°C
15°C14/19°C
15°C13/17°C
18°C13/24°C
18°C16/19°C
15°C14/15°C
15°C15/15°C
--°C/°C
64AQI
57AQI
63AQI
61AQI
2025 Days Vs Air Quality
Shijixing Kindergarden, Huanglongsi, Henan, China
1%
3
56%
148
31%
81
11%
28
2%
4
0.3%
1
Total number of days with different AQI categories in last 267 days in 2025 (98 days remaining)
Under WHO’s Safe Air Quality Limits: 1%
Health Risk Level:
Extreme
In 2025, 1% of 267 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
Shijixing Kindergarden, Huanglongsi, Henan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
164AQI
143AQI
168AQI
186AQI
144AQI
115AQI
117AQI
90AQI
99AQI
128AQI
88AQI
95AQI
128AQI
125AQI
110AQI
106AQI
137AQI
148AQI
153AQI
178AQI
204AQI
173AQI
162AQI
178AQI
170AQI
118AQI
85AQI
110AQI
201AQI
171AQI
171AQI
162AQI
183AQI
135AQI
123AQI
101AQI
98AQI
79AQI
92AQI
110AQI
131AQI
153AQI
137AQI
121AQI
144AQI
127AQI
106AQI
123AQI
135AQI
111AQI
137AQI
144AQI
146AQI
122AQI
145AQI
139AQI
151AQI
159AQI
165AQI
165AQI
99AQI
94AQI
89AQI
138AQI
127AQI
145AQI
148AQI
157AQI
158AQI
160AQI
156AQI
161AQI
108AQI
139AQI
81AQI
87AQI
82AQI
106AQI
68AQI
76AQI
85AQI
98AQI
435AQI
143AQI
154AQI
110AQI
131AQI
93AQI
105AQI
109AQI
98AQI
70AQI
94AQI
119AQI
77AQI
115AQI
111AQI
135AQI
136AQI
143AQI
144AQI
220AQI
122AQI
98AQI
98AQI
139AQI
151AQI
135AQI
114AQI
107AQI
115AQI
96AQI
126AQI
86AQI
116AQI
99AQI
118AQI
74AQI
89AQI
104AQI
92AQI
130AQI
99AQI
96AQI
186AQI
159AQI
157AQI
148AQI
116AQI
93AQI
85AQI
99AQI
108AQI
114AQI
90AQI
107AQI
217AQI
109AQI
139AQI
119AQI
134AQI
120AQI
143AQI
108AQI
128AQI
95AQI
118AQI
107AQI
116AQI
105AQI
91AQI
89AQI
106AQI
80AQI
95AQI
84AQI
98AQI
118AQI
95AQI
99AQI
86AQI
86AQI
83AQI
82AQI
76AQI
61AQI
61AQI
64AQI
68AQI
64AQI
68AQI
74AQI
75AQI
71AQI
73AQI
87AQI
66AQI
66AQI
62AQI
60AQI
58AQI
50AQI
52AQI
58AQI
57AQI
57AQI
57AQI
64AQI
66AQI
57AQI
76AQI
90AQI
77AQI
72AQI
74AQI
75AQI
75AQI
67AQI
71AQI
74AQI
73AQI
76AQI
59AQI
52AQI
58AQI
61AQI
62AQI
61AQI
64AQI
58AQI
64AQI
63AQI
61AQI
63AQI
63AQI
68AQI
70AQI
68AQI
64AQI
58AQI
52AQI
59AQI
61AQI
58AQI
61AQI
63AQI
63AQI
55AQI
59AQI
63AQI
61AQI
57AQI
57AQI
59AQI
60AQI
60AQI
67AQI
63AQI
67AQI
63AQI
63AQI
63AQI
62AQI
64AQI
62AQI
62AQI
62AQI
63AQI
65AQI
69AQI
64AQI
59AQI
63AQI
58AQI
58AQI
64AQI
63AQI
61AQI
52AQI
53AQI
57AQI
49AQI
57AQI
70AQI
49AQI
141AQI
131AQI
129AQI
115AQI
120AQI
79AQI
65AQI
62AQI
60AQI
No. of days
2025101AQI
Highest AQI recorded in
January141AQI
Lowest AQI recorded in
September60AQI
2024106AQI
Highest AQI recorded in
January159AQI
Lowest AQI recorded in
July59AQI
2023109AQI
Highest AQI recorded in
January168AQI
Lowest AQI recorded in
August57AQI
2022121AQI
Highest AQI recorded in
January187AQI
Lowest AQI recorded in
August62AQI
2021114AQI
Highest AQI recorded in
January173AQI
Lowest AQI recorded in
July65AQI
2020108AQI
Highest AQI recorded in
December166AQI
Lowest AQI recorded in
August71AQI
Most & Least Polluted Years Over the Last 6 Years
Shijixing Kindergarden's annual 2025 AQI (101) shows an average percentage change of -9.04% (improved AQI) compared to previous years: 2020 (108), 2021 (114), 2022 (121), 2023 (109), 2024 (106).