High Tech District Government, Jiaozuo, 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
High Tech District Government, Jiaozuo, Henan, China
AQI Trends: Highest and Lowest
Same Day Analysis (20th September ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 3rd highest AQI at 59 of Moderate air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Sep - 21st Sep 2025
High Tech District Government, Jiaozuo, Henan, China
6 AM20th Sep 2025
6 PM
5 AM21st Sep 2025
78AQI
52AQI
65AQI
55AQI
In the last 24 hours,
High Tech District Government's AQI reached its highest point of 78 at 10 AM during the Day, while the lowest point, 52, was recorded at 7 AM during the Day between 20th Sep and 21st Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
High Tech District Government, Jiaozuo, Henan, China
29°C24/33°C
27°C23/33°C
22°C20/23°C
25°C22/29°C
26°C22/30°C
26°C21/32°C
28°C23/35°C
26°C22/33°C
25°C22/29°C
26°C21/32°C
27°C22/33°C
26°C21/31°C
21°C19/22°C
21°C19/22°C
22°C19/27°C
23°C20/29°C
24°C18/31°C
23°C18/28°C
23°C17/30°C
23°C19/26°C
19°C16/22°C
21°C17/25°C
24°C20/29°C
26°C20/32°C
26°C23/30°C
23°C20/25°C
19°C15/24°C
15°C13/18°C
15°C13/19°C
19°C14/25°C
--°C/°C
66AQI
57AQI
60AQI
59AQI
2025 Days Vs Air Quality
High Tech District Government, Jiaozuo, Henan, China
2%
4
70%
183
19%
50
10%
25
0.3%
1
Total number of days with different AQI categories in last 264 days in 2025 (101 days remaining)
Under WHO’s Safe Air Quality Limits: 2%
Health Risk Level:
Extreme
In 2025, 2% of 264 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
High Tech District Government, Jiaozuo, Henan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
161AQI
170AQI
163AQI
171AQI
130AQI
110AQI
94AQI
85AQI
88AQI
124AQI
88AQI
90AQI
122AQI
96AQI
89AQI
90AQI
125AQI
135AQI
152AQI
165AQI
188AQI
185AQI
169AQI
185AQI
173AQI
110AQI
87AQI
98AQI
178AQI
168AQI
172AQI
168AQI
175AQI
129AQI
119AQI
87AQI
106AQI
70AQI
84AQI
105AQI
132AQI
148AQI
110AQI
123AQI
131AQI
136AQI
99AQI
122AQI
132AQI
105AQI
137AQI
146AQI
154AQI
113AQI
150AQI
126AQI
152AQI
158AQI
166AQI
161AQI
94AQI
90AQI
97AQI
135AQI
134AQI
142AQI
142AQI
154AQI
152AQI
160AQI
149AQI
158AQI
107AQI
126AQI
76AQI
87AQI
73AQI
91AQI
69AQI
77AQI
83AQI
105AQI
378AQI
139AQI
114AQI
93AQI
104AQI
82AQI
92AQI
91AQI
90AQI
77AQI
88AQI
100AQI
77AQI
93AQI
94AQI
98AQI
107AQI
104AQI
113AQI
103AQI
96AQI
78AQI
85AQI
107AQI
108AQI
107AQI
100AQI
96AQI
94AQI
87AQI
100AQI
80AQI
93AQI
87AQI
91AQI
79AQI
79AQI
94AQI
81AQI
94AQI
73AQI
85AQI
113AQI
104AQI
122AQI
109AQI
91AQI
86AQI
78AQI
83AQI
95AQI
86AQI
81AQI
89AQI
102AQI
89AQI
106AQI
100AQI
100AQI
95AQI
116AQI
92AQI
100AQI
89AQI
97AQI
94AQI
91AQI
89AQI
86AQI
86AQI
88AQI
79AQI
89AQI
83AQI
85AQI
88AQI
95AQI
92AQI
84AQI
86AQI
82AQI
82AQI
80AQI
74AQI
75AQI
72AQI
65AQI
62AQI
65AQI
67AQI
57AQI
63AQI
66AQI
80AQI
64AQI
66AQI
60AQI
61AQI
59AQI
51AQI
55AQI
50AQI
55AQI
48AQI
54AQI
59AQI
64AQI
66AQI
72AQI
80AQI
79AQI
74AQI
73AQI
73AQI
73AQI
65AQI
68AQI
71AQI
69AQI
67AQI
68AQI
58AQI
57AQI
61AQI
60AQI
60AQI
60AQI
61AQI
59AQI
62AQI
63AQI
63AQI
63AQI
68AQI
67AQI
68AQI
69AQI
64AQI
57AQI
61AQI
61AQI
59AQI
58AQI
62AQI
64AQI
54AQI
58AQI
62AQI
60AQI
56AQI
56AQI
60AQI
59AQI
58AQI
65AQI
63AQI
64AQI
63AQI
62AQI
62AQI
60AQI
61AQI
61AQI
62AQI
48AQI
58AQI
63AQI
68AQI
62AQI
57AQI
63AQI
57AQI
55AQI
64AQI
65AQI
61AQI
57AQI
51AQI
51AQI
47AQI
59AQI
134AQI
128AQI
121AQI
94AQI
94AQI
75AQI
64AQI
62AQI
59AQI
No. of days
202593AQI
Highest AQI recorded in
January134AQI
Lowest AQI recorded in
September59AQI
2024103AQI
Highest AQI recorded in
January166AQI
Lowest AQI recorded in
July65AQI
2023130AQI
Highest AQI recorded in
December131AQI
Lowest AQI recorded in
November114AQI
2022130AQI
Highest AQI recorded in
January187AQI
Lowest AQI recorded in
June88AQI
2021119AQI
Highest AQI recorded in
March185AQI
Lowest AQI recorded in
July70AQI
2020119AQI
Highest AQI recorded in
December152AQI
Lowest AQI recorded in
August87AQI
Most & Least Polluted Years Over the Last 6 Years
High Tech District Government's annual 2025 AQI (93) shows an average percentage change of -21.8% (improved AQI) compared to previous years: 2020 (119), 2021 (119), 2022 (130), 2023 (130), 2024 (103).