Boye County Quality And Technical Supervision Bureau, Anguo, 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
Boye County Quality And Technical Supervision Bureau, Anguo, Hebei, China
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 63 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Boye County Quality And Technical Supervision Bureau, Anguo, Hebei, China
5 AM3rd Aug 2025
7 PM
4 AM4th Aug 2025
AQI
AQI
73AQI
61AQI
In the last 24 hours,
Boye County Quality And Technical Supervision Bureau's AQI reached its highest point of 73 at 6 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Boye County Quality And Technical Supervision Bureau, Anguo, Hebei, China
32°C28/37°C
31°C27/35°C
30°C25/36°C
29°C24/35°C
30°C26/35°C
31°C26/37°C
31°C27/36°C
33°C27/38°C
32°C26/38°C
32°C27/37°C
31°C26/37°C
28°C22/35°C
31°C26/36°C
31°C26/37°C
31°C26/36°C
25°C23/27°C
29°C23/34°C
30°C24/36°C
30°C26/34°C
30°C25/35°C
30°C25/36°C
32°C27/38°C
32°C27/38°C
33°C27/39°C
30°C26/36°C
29°C24/35°C
28°C23/33°C
30°C24/36°C
31°C25/37°C
--°C/°C
--°C/°C
67AQI
67AQI
65AQI
65AQI
2025 Days Vs Air Quality
Boye County Quality And Technical Supervision Bureau, Anguo, Hebei, China
0.4%
1
67%
144
27%
57
5%
11
0.4%
1
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 0.47%
Health Risk Level:
Extreme
In 2025, 0.47% of 215 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
Boye County Quality And Technical Supervision Bureau, Anguo, Hebei, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
132AQI
103AQI
124AQI
135AQI
107AQI
79AQI
68AQI
58AQI
65AQI
93AQI
117AQI
96AQI
132AQI
80AQI
86AQI
89AQI
126AQI
144AQI
123AQI
157AQI
145AQI
121AQI
140AQI
153AQI
160AQI
130AQI
79AQI
114AQI
226AQI
134AQI
171AQI
148AQI
170AQI
90AQI
91AQI
61AQI
97AQI
47AQI
64AQI
88AQI
123AQI
145AQI
95AQI
117AQI
127AQI
126AQI
77AQI
77AQI
89AQI
94AQI
98AQI
104AQI
98AQI
65AQI
95AQI
95AQI
116AQI
148AQI
166AQI
197AQI
147AQI
105AQI
100AQI
134AQI
80AQI
142AQI
140AQI
159AQI
165AQI
175AQI
134AQI
158AQI
120AQI
109AQI
71AQI
76AQI
65AQI
78AQI
58AQI
61AQI
69AQI
119AQI
86AQI
91AQI
100AQI
91AQI
90AQI
70AQI
82AQI
87AQI
79AQI
69AQI
93AQI
109AQI
69AQI
108AQI
119AQI
106AQI
105AQI
107AQI
137AQI
92AQI
88AQI
73AQI
79AQI
109AQI
116AQI
89AQI
101AQI
108AQI
111AQI
79AQI
96AQI
67AQI
95AQI
107AQI
84AQI
85AQI
78AQI
85AQI
72AQI
89AQI
61AQI
81AQI
94AQI
78AQI
104AQI
106AQI
75AQI
84AQI
77AQI
82AQI
94AQI
74AQI
77AQI
101AQI
74AQI
91AQI
101AQI
109AQI
102AQI
116AQI
112AQI
88AQI
93AQI
92AQI
98AQI
98AQI
96AQI
96AQI
102AQI
115AQI
93AQI
67AQI
62AQI
74AQI
76AQI
79AQI
84AQI
87AQI
73AQI
83AQI
86AQI
88AQI
83AQI
64AQI
58AQI
67AQI
76AQI
65AQI
67AQI
63AQI
54AQI
65AQI
63AQI
73AQI
73AQI
77AQI
77AQI
74AQI
74AQI
65AQI
69AQI
59AQI
64AQI
58AQI
57AQI
62AQI
63AQI
68AQI
75AQI
77AQI
78AQI
69AQI
69AQI
72AQI
69AQI
65AQI
66AQI
73AQI
66AQI
68AQI
67AQI
64AQI
64AQI
66AQI
67AQI
65AQI
67AQI
54AQI
59AQI
59AQI
64AQI
63AQI
119AQI
104AQI
108AQI
95AQI
91AQI
75AQI
66AQI
64AQI
No. of days
202594AQI
Highest AQI recorded in
January119AQI
Lowest AQI recorded in
August64AQI
202490AQI
Highest AQI recorded in
October132AQI
Lowest AQI recorded in
January52AQI
202352AQI
Highest AQI recorded in
December52AQI
Lowest AQI recorded in
November51AQI
2022108AQI
Highest AQI recorded in
January146AQI
Lowest AQI recorded in
August66AQI
202186AQI
Highest AQI recorded in
March179AQI
Lowest AQI recorded in
October1AQI
2020118AQI
Highest AQI recorded in
December143AQI
Lowest AQI recorded in
September98AQI
Most & Least Polluted Years Over the Last 6 Years
Boye County Quality And Technical Supervision Bureau's annual 2025 AQI (94) shows an average percentage change of 11.6% (worsened AQI) compared to previous years: 2020 (118), 2021 (86), 2022 (108), 2023 (52), 2024 (90).