Zhengzhou, Henan, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Zhengzhou, Henan, China
AQI Trends: Highest and Lowest
Same Day Analysis (1st July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 54 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: 1st Jul - 2nd Jul 2025
Zhengzhou, Henan, China
5 AM1st Jul 2025
7 PM
4 AM2nd Jul 2025
61AQI
23AQI
61AQI
55AQI
In the last 24 hours,
Zhengzhou's AQI reached its highest point of 61 at 5 AM during the Day, while the lowest point, 23, was recorded at 10 AM during the Day between 1st Jul and 2nd Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
Zhengzhou, Henan, China
27°C19/35°C
29°C22/36°C
31°C24/38°C
32°C26/38°C
34°C26/40°C
29°C24/36°C
31°C25/37°C
34°C27/40°C
31°C26/36°C
32°C25/38°C
31°C25/38°C
32°C24/39°C
32°C28/35°C
31°C24/37°C
31°C24/38°C
34°C26/41°C
29°C24/34°C
25°C23/29°C
29°C24/35°C
30°C27/35°C
31°C25/37°C
30°C27/35°C
30°C25/34°C
26°C19/29°C
23°C20/27°C
28°C22/35°C
29°C25/34°C
28°C24/32°C
30°C24/36°C
30°C26/34°C
0°C0/0°C
76AQI
76AQI
78AQI
75AQI
2025 Days Vs Air Quality
Zhengzhou, Henan, China
38%
70
47%
85
14%
26
0.5%
1
Total number of days with different AQI categories in last 183 days in 2025 (182 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2025, 0% of 183 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
Zhengzhou, Henan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
160AQI
150AQI
162AQI
160AQI
140AQI
102AQI
104AQI
80AQI
86AQI
113AQI
88AQI
84AQI
123AQI
121AQI
88AQI
94AQI
127AQI
132AQI
133AQI
167AQI
189AQI
168AQI
150AQI
170AQI
167AQI
103AQI
86AQI
89AQI
200AQI
169AQI
172AQI
166AQI
185AQI
119AQI
105AQI
85AQI
92AQI
76AQI
75AQI
102AQI
130AQI
151AQI
106AQI
106AQI
114AQI
111AQI
93AQI
116AQI
133AQI
103AQI
136AQI
143AQI
150AQI
131AQI
156AQI
130AQI
154AQI
156AQI
169AQI
147AQI
99AQI
85AQI
98AQI
137AQI
129AQI
145AQI
144AQI
153AQI
151AQI
159AQI
144AQI
171AQI
107AQI
144AQI
78AQI
85AQI
76AQI
87AQI
65AQI
68AQI
75AQI
96AQI
418AQI
127AQI
160AQI
123AQI
138AQI
92AQI
102AQI
106AQI
104AQI
76AQI
101AQI
116AQI
87AQI
119AQI
127AQI
140AQI
132AQI
139AQI
136AQI
197AQI
125AQI
100AQI
100AQI
146AQI
139AQI
143AQI
131AQI
118AQI
111AQI
103AQI
133AQI
91AQI
124AQI
106AQI
116AQI
87AQI
90AQI
117AQI
96AQI
128AQI
87AQI
99AQI
145AQI
141AQI
158AQI
144AQI
120AQI
102AQI
90AQI
97AQI
112AQI
109AQI
93AQI
109AQI
171AQI
112AQI
140AQI
121AQI
133AQI
116AQI
138AQI
103AQI
106AQI
96AQI
113AQI
107AQI
110AQI
98AQI
94AQI
91AQI
95AQI
81AQI
92AQI
83AQI
91AQI
109AQI
101AQI
98AQI
90AQI
93AQI
85AQI
87AQI
80AQI
74AQI
78AQI
79AQI
69AQI
67AQI
65AQI
66AQI
58AQI
61AQI
66AQI
78AQI
63AQI
65AQI
60AQI
57AQI
59AQI
54AQI
132AQI
125AQI
126AQI
118AQI
116AQI
78AQI
54AQI
No. of days
2025115AQI
Highest AQI recorded in
January132AQI
Lowest AQI recorded in
July54AQI
2024105AQI
Highest AQI recorded in
January148AQI
Lowest AQI recorded in
August59AQI
2023108AQI
Highest AQI recorded in
January160AQI
Lowest AQI recorded in
July67AQI
2022115AQI
Highest AQI recorded in
January179AQI
Lowest AQI recorded in
July67AQI
2021112AQI
Highest AQI recorded in
March177AQI
Lowest AQI recorded in
July67AQI
2020107AQI
Highest AQI recorded in
December152AQI
Lowest AQI recorded in
August74AQI
Most & Least Polluted Years Over the Last 6 Years
Zhengzhou's annual 2025 AQI (115) shows an average percentage change of 5.7% (worsened AQI) compared to previous years: 2020 (107), 2021 (112), 2022 (115), 2023 (108), 2024 (105).