Zaoqiang County Environmental Protection Bureau, Hengshui, Hebei, 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
Zaoqiang County Environmental Protection Bureau, Hengshui, Hebei, China
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 64 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Zaoqiang County Environmental Protection Bureau, Hengshui, Hebei, China
5 AM3rd Aug 2025
7 PM
4 AM4th Aug 2025
74AQI
60AQI
66AQI
58AQI
In the last 24 hours,
Zaoqiang County Environmental Protection Bureau's AQI reached its highest point of 74 at 4 PM during the Day, while the lowest point, 58, was recorded at 1 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Zaoqiang County Environmental Protection Bureau, Hengshui, Hebei, China
33°C30/37°C
32°C27/36°C
31°C25/38°C
30°C24/36°C
31°C27/36°C
32°C28/38°C
32°C28/36°C
33°C27/38°C
33°C29/39°C
32°C27/37°C
32°C27/39°C
29°C23/35°C
31°C26/37°C
32°C26/37°C
31°C26/37°C
27°C24/32°C
30°C24/36°C
30°C25/35°C
31°C26/36°C
31°C25/37°C
32°C27/37°C
33°C27/38°C
33°C27/39°C
33°C28/40°C
31°C25/37°C
30°C24/36°C
29°C23/36°C
31°C25/38°C
32°C26/38°C
33°C27/40°C
--°C/°C
68AQI
62AQI
64AQI
64AQI
2025 Days Vs Air Quality
Zaoqiang County Environmental Protection Bureau, Hengshui, Hebei, China
0.4%
1
65%
139
28%
61
7%
14
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Under WHO’s Safe Air Quality Limits: 0.47%
Health Risk Level:
Extreme
In 2025, 0.47% 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
Zaoqiang County Environmental Protection Bureau, Hengshui, Hebei, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
160AQI
129AQI
137AQI
160AQI
144AQI
90AQI
95AQI
66AQI
71AQI
93AQI
124AQI
105AQI
140AQI
106AQI
95AQI
103AQI
126AQI
148AQI
134AQI
153AQI
171AQI
108AQI
153AQI
147AQI
156AQI
128AQI
81AQI
119AQI
181AQI
144AQI
153AQI
140AQI
160AQI
95AQI
88AQI
67AQI
114AQI
53AQI
64AQI
95AQI
122AQI
142AQI
107AQI
139AQI
136AQI
145AQI
87AQI
85AQI
93AQI
100AQI
123AQI
116AQI
103AQI
69AQI
103AQI
97AQI
138AQI
146AQI
170AQI
177AQI
108AQI
94AQI
90AQI
116AQI
91AQI
144AQI
136AQI
155AQI
157AQI
161AQI
148AQI
142AQI
125AQI
103AQI
77AQI
77AQI
60AQI
84AQI
61AQI
68AQI
74AQI
109AQI
108AQI
91AQI
113AQI
99AQI
86AQI
71AQI
82AQI
97AQI
98AQI
66AQI
93AQI
121AQI
69AQI
109AQI
121AQI
121AQI
111AQI
120AQI
132AQI
117AQI
84AQI
80AQI
78AQI
108AQI
123AQI
77AQI
92AQI
102AQI
96AQI
84AQI
100AQI
67AQI
94AQI
88AQI
81AQI
76AQI
80AQI
93AQI
72AQI
85AQI
57AQI
82AQI
95AQI
78AQI
102AQI
101AQI
77AQI
77AQI
75AQI
79AQI
91AQI
77AQI
70AQI
112AQI
84AQI
96AQI
106AQI
107AQI
100AQI
116AQI
108AQI
83AQI
84AQI
87AQI
91AQI
99AQI
92AQI
93AQI
95AQI
106AQI
101AQI
68AQI
56AQI
76AQI
84AQI
89AQI
90AQI
92AQI
68AQI
83AQI
82AQI
84AQI
88AQI
70AQI
55AQI
61AQI
68AQI
62AQI
68AQI
66AQI
57AQI
63AQI
66AQI
70AQI
75AQI
83AQI
77AQI
75AQI
69AQI
61AQI
61AQI
59AQI
63AQI
58AQI
56AQI
59AQI
60AQI
66AQI
79AQI
76AQI
78AQI
73AQI
65AQI
71AQI
69AQI
67AQI
66AQI
75AQI
67AQI
75AQI
59AQI
50AQI
59AQI
65AQI
61AQI
55AQI
66AQI
56AQI
59AQI
57AQI
62AQI
61AQI
64AQI
126AQI
111AQI
107AQI
96AQI
89AQI
75AQI
64AQI
62AQI
No. of days
202595AQI
Highest AQI recorded in
January126AQI
Lowest AQI recorded in
August62AQI
202486AQI
Highest AQI recorded in
December114AQI
Lowest AQI recorded in
January62AQI
202360AQI
Highest AQI recorded in
November61AQI
Lowest AQI recorded in
December60AQI
2020107AQI
Highest AQI recorded in
December142AQI
Lowest AQI recorded in
August80AQI
Most & Least Polluted Years Over the Last 4 Years
Zaoqiang County Environmental Protection Bureau's annual 2025 AQI (95) shows an average percentage change of 19.1% (worsened AQI) compared to previous years: 2020 (107), 2023 (60), 2024 (86).