Huiji District, Zhengzhou, Henan, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Huiji District, Zhengzhou, Henan, China
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 63 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Huiji District, Zhengzhou, Henan, China
5 AM4th Aug 2025
7 PM
4 AM5th Aug 2025
AQI
AQI
80AQI
60AQI
In the last 24 hours,
Huiji District's AQI reached its highest point of 80 at 12 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Huiji District, Zhengzhou, Henan, China
35°C29/41°C
33°C28/40°C
30°C26/36°C
30°C26/34°C
32°C27/36°C
33°C27/38°C
33°C28/38°C
35°C29/40°C
35°C30/40°C
36°C30/42°C
35°C30/40°C
34°C28/40°C
34°C29/40°C
33°C28/38°C
33°C29/39°C
30°C25/37°C
29°C25/34°C
30°C25/35°C
31°C26/37°C
33°C28/40°C
32°C27/38°C
33°C28/38°C
34°C28/40°C
33°C28/41°C
33°C28/40°C
33°C27/39°C
33°C27/39°C
33°C28/38°C
35°C29/42°C
--°C/°C
--°C/°C
65AQI
65AQI
64AQI
64AQI
2025 Days Vs Air Quality
Huiji District, Zhengzhou, Henan, China
1%
1
79%
53
19%
13
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Under WHO’s Safe Air Quality Limits: 1%
Health Risk Level:
Extreme
In 2025, 1% of 216 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
Huiji District, Zhengzhou, Henan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
106AQI
108AQI
106AQI
110AQI
108AQI
103AQI
104AQI
102AQI
106AQI
115AQI
114AQI
108AQI
105AQI
99AQI
96AQI
99AQI
92AQI
87AQI
87AQI
85AQI
66AQI
63AQI
66AQI
64AQI
53AQI
60AQI
65AQI
77AQI
63AQI
65AQI
60AQI
57AQI
58AQI
51AQI
53AQI
51AQI
55AQI
50AQI
54AQI
57AQI
60AQI
63AQI
70AQI
78AQI
76AQI
71AQI
71AQI
74AQI
69AQI
63AQI
66AQI
68AQI
69AQI
66AQI
64AQI
58AQI
59AQI
61AQI
60AQI
60AQI
60AQI
59AQI
56AQI
60AQI
62AQI
64AQI
63AQI
107AQI
85AQI
62AQI
63AQI
No. of days
202574AQI
Highest AQI recorded in
May107AQI
Lowest AQI recorded in
July62AQI
Most & Least Polluted Years Over the Last 1 Years
Huiji District's annual 2025 AQI (74) shows an average percentage change of NaN% (improved AQI) compared to previous years: .