City Monitoring Station, 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
City Monitoring Station, Zhengzhou, Henan, China
AQI Trends: Highest and Lowest
Same Day Analysis (17th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 40 of Good air quality, showing improvement over 2025, 2023 and 2022 on the same day.
Day & Night AQI Trend: 16th Jul - 17th Jul 2026
City Monitoring Station, Zhengzhou, Henan, China
5 AM16th Jul 2026
7 PM
4 AM17th Jul 2026
88AQI
57AQI
64AQI
38AQI
In the last 24 hours,
City Monitoring Station's AQI reached its highest point of 88 at 12 PM during the Day, while the lowest point, 38, was recorded at 2 AM during the Night between 16th Jul and 17th Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
City Monitoring Station, Zhengzhou, Henan, China
29°C22/34°C
22°C21/22°C
27°C21/34°C
22°C18/25°C
23°C19/28°C
26°C21/31°C
28°C23/34°C
29°C24/34°C
29°C25/32°C
31°C26/37°C
32°C27/38°C
33°C28/38°C
32°C29/36°C
30°C24/37°C
33°C29/40°C
30°C26/36°C
32°C26/39°C
33°C27/39°C
29°C24/37°C
30°C25/36°C
34°C27/41°C
34°C28/40°C
33°C29/38°C
35°C30/41°C
33°C29/38°C
33°C28/37°C
35°C31/40°C
31°C26/37°C
30°C27/35°C
25°C22/28°C
66AQI
61AQI
63AQI
59AQI
2026 Days Vs Air Quality
City Monitoring Station, Zhengzhou, Henan, China
5%
9
55%
108
28%
56
13%
25
Total number of days with different AQI categories in last 198 days in 2026 (167 days remaining)
Under WHO’s Safe Air Quality Limits: 5%
Health Risk Level:
Extreme
In 2026, 5% of 198 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
City Monitoring Station, Zhengzhou, Henan, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
106AQI (US)
163AQI (US)
170AQI (US)
166AQI (US)
167AQI (US)
75AQI (US)
65AQI (US)
100AQI (US)
69AQI (US)
66AQI (US)
50AQI (US)
96AQI (US)
112AQI (US)
154AQI (US)
115AQI (US)
146AQI (US)
133AQI (US)
127AQI (US)
97AQI (US)
98AQI (US)
147AQI (US)
161AQI (US)
164AQI (US)
171AQI (US)
179AQI (US)
175AQI (US)
192AQI (US)
177AQI (US)
184AQI (US)
141AQI (US)
167AQI (US)
156AQI (US)
149AQI (US)
165AQI (US)
161AQI (US)
149AQI (US)
92AQI (US)
93AQI (US)
150AQI (US)
135AQI (US)
113AQI (US)
101AQI (US)
147AQI (US)
145AQI (US)
153AQI (US)
82AQI (US)
55AQI (US)
116AQI (US)
122AQI (US)
93AQI (US)
77AQI (US)
93AQI (US)
89AQI (US)
108AQI (US)
102AQI (US)
68AQI (US)
72AQI (US)
136AQI (US)
125AQI (US)
92AQI (US)
112AQI (US)
144AQI (US)
167AQI (US)
156AQI (US)
135AQI (US)
109AQI (US)
134AQI (US)
161AQI (US)
169AQI (US)
171AQI (US)
174AQI (US)
166AQI (US)
148AQI (US)
92AQI (US)
105AQI (US)
145AQI (US)
97AQI (US)
108AQI (US)
137AQI (US)
139AQI (US)
114AQI (US)
126AQI (US)
145AQI (US)
127AQI (US)
134AQI (US)
118AQI (US)
96AQI (US)
85AQI (US)
121AQI (US)
111AQI (US)
102AQI (US)
92AQI (US)
60AQI (US)
59AQI (US)
103AQI (US)
113AQI (US)
113AQI (US)
94AQI (US)
82AQI (US)
108AQI (US)
92AQI (US)
104AQI (US)
72AQI (US)
83AQI (US)
73AQI (US)
105AQI (US)
89AQI (US)
97AQI (US)
87AQI (US)
105AQI (US)
53AQI (US)
57AQI (US)
84AQI (US)
74AQI (US)
82AQI (US)
102AQI (US)
118AQI (US)
81AQI (US)
57AQI (US)
75AQI (US)
75AQI (US)
66AQI (US)
47AQI (US)
67AQI (US)
65AQI (US)
84AQI (US)
66AQI (US)
54AQI (US)
70AQI (US)
91AQI (US)
102AQI (US)
123AQI (US)
115AQI (US)
96AQI (US)
89AQI (US)
77AQI (US)
64AQI (US)
57AQI (US)
54AQI (US)
63AQI (US)
71AQI (US)
80AQI (US)
72AQI (US)
72AQI (US)
67AQI (US)
49AQI (US)
74AQI (US)
68AQI (US)
67AQI (US)
65AQI (US)
61AQI (US)
94AQI (US)
122AQI (US)
116AQI (US)
71AQI (US)
94AQI (US)
99AQI (US)
38AQI (US)
63AQI (US)
60AQI (US)
64AQI (US)
75AQI (US)
86AQI (US)
52AQI (US)
74AQI (US)
78AQI (US)
69AQI (US)
66AQI (US)
77AQI (US)
54AQI (US)
75AQI (US)
67AQI (US)
62AQI (US)
76AQI (US)
54AQI (US)
74AQI (US)
54AQI (US)
84AQI (US)
71AQI (US)
89AQI (US)
80AQI (US)
65AQI (US)
80AQI (US)
54AQI (US)
51AQI (US)
53AQI (US)
47AQI (US)
56AQI (US)
62AQI (US)
50AQI (US)
41AQI (US)
44AQI (US)
57AQI (US)
65AQI (US)
68AQI (US)
63AQI (US)
68AQI (US)
40AQI (US)
133AQI (US)
116AQI (US)
130AQI (US)
87AQI (US)
73AQI (US)
75AQI (US)
57AQI (US)
No. of days
202699AQI (US)
Highest AQI (US) recorded in
January133AQI (US)
Lowest AQI (US) recorded in
July57AQI (US)
2025107AQI (US)
Highest AQI (US) recorded in
December150AQI (US)
Lowest AQI (US) recorded in
September59AQI (US)
2024103AQI (US)
Highest AQI (US) recorded in
January150AQI (US)
Lowest AQI (US) recorded in
August39AQI (US)
2023110AQI (US)
Highest AQI (US) recorded in
January161AQI (US)
Lowest AQI (US) recorded in
July67AQI (US)
2022111AQI (US)
Highest AQI (US) recorded in
January180AQI (US)
Lowest AQI (US) recorded in
July72AQI (US)
2021117AQI (US)
Highest AQI (US) recorded in
March184AQI (US)
Lowest AQI (US) recorded in
August65AQI (US)
2020112AQI (US)
Highest AQI (US) recorded in
December150AQI (US)
Lowest AQI (US) recorded in
August78AQI (US)
Most & Least Polluted Years Over the Last 7 Years
City Monitoring Station's annual 2026 AQI (US) (99) shows an average percentage change of -9.8% (improved AQI (US)) compared to previous years: 2020 (112), 2021 (117), 2022 (111), 2023 (110), 2024 (103), 2025 (107).