Xihua County Wastewater Treatment Plant, Zhoukou, 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
Xihua County Wastewater Treatment Plant, Zhoukou, Henan, China
AQI Trends: Highest and Lowest
Same Day Analysis (13th August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 55 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 13th Aug - 14th Aug 2025
Xihua County Wastewater Treatment Plant, Zhoukou, Henan, China
5 AM13th Aug 2025
7 PM
4 AM14th Aug 2025
AQI
AQI
60AQI
34AQI
In the last 24 hours,
Xihua County Wastewater Treatment Plant's AQI reached its highest point of 60 at 9 AM during the Night, while the lowest point, 34, was recorded at 4 PM during the Night between 13th Aug and 14th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Xihua County Wastewater Treatment Plant, Zhoukou, Henan, China
35°C29/41°C
35°C28/42°C
33°C26/40°C
32°C26/38°C
31°C25/38°C
31°C26/40°C
30°C25/35°C
30°C26/36°C
30°C25/35°C
32°C26/39°C
32°C26/39°C
31°C25/38°C
31°C26/38°C
32°C25/39°C
31°C25/36°C
31°C25/37°C
30°C24/38°C
31°C25/39°C
31°C25/38°C
32°C26/38°C
33°C27/40°C
33°C28/41°C
29°C26/38°C
29°C25/35°C
29°C26/34°C
25°C24/26°C
25°C23/26°C
26°C23/30°C
25°C21/30°C
--°C/°C
--°C/°C
59AQI
59AQI
61AQI
61AQI
2025 Days Vs Air Quality
Xihua County Wastewater Treatment Plant, Zhoukou, Henan, China
1%
3
56%
125
31%
70
10%
23
2%
4
Total number of days with different AQI categories in last 225 days in 2025 (140 days remaining)
Under WHO’s Safe Air Quality Limits: 1%
Health Risk Level:
Extreme
In 2025, 1% of 225 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
Xihua County Wastewater Treatment Plant, Zhoukou, Henan, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
171AQI
174AQI
178AQI
203AQI
159AQI
122AQI
127AQI
100AQI
94AQI
114AQI
111AQI
93AQI
143AQI
136AQI
96AQI
116AQI
126AQI
150AQI
158AQI
173AQI
191AQI
211AQI
172AQI
169AQI
170AQI
117AQI
90AQI
131AQI
256AQI
173AQI
174AQI
165AQI
174AQI
170AQI
121AQI
103AQI
98AQI
84AQI
84AQI
92AQI
116AQI
146AQI
138AQI
131AQI
141AQI
144AQI
109AQI
118AQI
133AQI
145AQI
128AQI
141AQI
150AQI
147AQI
120AQI
137AQI
141AQI
155AQI
153AQI
157AQI
108AQI
92AQI
92AQI
113AQI
125AQI
122AQI
144AQI
148AQI
151AQI
156AQI
161AQI
161AQI
102AQI
138AQI
84AQI
87AQI
84AQI
87AQI
72AQI
70AQI
78AQI
97AQI
243AQI
100AQI
126AQI
105AQI
121AQI
89AQI
102AQI
101AQI
101AQI
82AQI
96AQI
118AQI
90AQI
104AQI
101AQI
118AQI
130AQI
131AQI
122AQI
167AQI
108AQI
89AQI
86AQI
98AQI
113AQI
110AQI
96AQI
100AQI
94AQI
97AQI
113AQI
90AQI
100AQI
91AQI
100AQI
78AQI
85AQI
89AQI
84AQI
99AQI
73AQI
86AQI
107AQI
124AQI
131AQI
118AQI
98AQI
86AQI
83AQI
86AQI
95AQI
95AQI
107AQI
98AQI
135AQI
100AQI
121AQI
103AQI
106AQI
108AQI
117AQI
103AQI
100AQI
97AQI
106AQI
104AQI
108AQI
93AQI
95AQI
92AQI
96AQI
91AQI
94AQI
86AQI
90AQI
90AQI
92AQI
84AQI
83AQI
85AQI
84AQI
83AQI
79AQI
75AQI
72AQI
74AQI
64AQI
57AQI
63AQI
67AQI
63AQI
65AQI
64AQI
68AQI
62AQI
60AQI
57AQI
55AQI
55AQI
53AQI
49AQI
52AQI
51AQI
51AQI
55AQI
58AQI
62AQI
53AQI
65AQI
80AQI
68AQI
68AQI
67AQI
66AQI
73AQI
69AQI
68AQI
69AQI
67AQI
64AQI
58AQI
52AQI
54AQI
57AQI
56AQI
54AQI
52AQI
53AQI
57AQI
59AQI
58AQI
56AQI
58AQI
63AQI
62AQI
64AQI
64AQI
60AQI
54AQI
58AQI
48AQI
50AQI
55AQI
148AQI
132AQI
117AQI
103AQI
102AQI
75AQI
60AQI
58AQI
No. of days
2025102AQI
Highest AQI recorded in
January148AQI
Lowest AQI recorded in
August58AQI
2024101AQI
Highest AQI recorded in
January168AQI
Lowest AQI recorded in
July61AQI
2023129AQI
Highest AQI recorded in
December130AQI
Lowest AQI recorded in
November118AQI
2021150AQI
Highest AQI recorded in
January167AQI
Lowest AQI recorded in
February129AQI
2020107AQI
Highest AQI recorded in
December145AQI
Lowest AQI recorded in
July63AQI
Most & Least Polluted Years Over the Last 5 Years
Xihua County Wastewater Treatment Plant's annual 2025 AQI (102) shows an average percentage change of -13.8% (improved AQI) compared to previous years: 2020 (107), 2021 (150), 2023 (129), 2024 (101).