Dacheng Environmental Protection Bureau, Cangzhou, 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
Dacheng Environmental Protection Bureau, Cangzhou, Hebei, China
AQI Trends: Highest and Lowest
Same Day Analysis (16th August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 3rd highest AQI at 45 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Dacheng Environmental Protection Bureau, Cangzhou, Hebei, China
5 AM15th Aug 2026
7 PM
4 AM16th Aug 2026
58AQI
26AQI
65AQI
40AQI
In the last 24 hours,
Dacheng Environmental Protection Bureau's AQI reached its highest point of 65 at 2 AM during the Night, while the lowest point, 26, was recorded at 1 PM during the Day between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Dacheng Environmental Protection Bureau, Cangzhou, Hebei, China
27°C22/33°C
28°C22/35°C
30°C22/36°C
27°C21/34°C
27°C23/31°C
27°C23/31°C
27°C23/32°C
28°C23/32°C
29°C24/34°C
30°C25/36°C
30°C25/37°C
29°C25/35°C
30°C26/34°C
30°C27/34°C
30°C26/36°C
32°C27/38°C
32°C28/38°C
29°C24/36°C
30°C24/35°C
31°C27/37°C
30°C26/38°C
26°C22/30°C
25°C21/31°C
26°C20/33°C
28°C24/34°C
24°C23/25°C
25°C23/29°C
26°C21/31°C
26°C22/31°C
25°C21/30°C
61AQI
38AQI
50AQI
40AQI
2026 Days Vs Air Quality
Dacheng Environmental Protection Bureau, Cangzhou, Hebei, China
21%
48
45%
103
26%
60
7%
16
0.4%
1
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Under WHO’s Safe Air Quality Limits: 21%
Health Risk Level:
Very high
In 2026, 21% of 228 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Dacheng Environmental Protection Bureau, Cangzhou, Hebei, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
80AQI (US)
104AQI (US)
165AQI (US)
206AQI (US)
166AQI (US)
171AQI (US)
74AQI (US)
107AQI (US)
141AQI (US)
51AQI (US)
40AQI (US)
115AQI (US)
105AQI (US)
118AQI (US)
168AQI (US)
140AQI (US)
76AQI (US)
66AQI (US)
43AQI (US)
48AQI (US)
89AQI (US)
132AQI (US)
153AQI (US)
176AQI (US)
114AQI (US)
85AQI (US)
125AQI (US)
131AQI (US)
106AQI (US)
122AQI (US)
147AQI (US)
144AQI (US)
93AQI (US)
122AQI (US)
156AQI (US)
128AQI (US)
52AQI (US)
97AQI (US)
106AQI (US)
143AQI (US)
145AQI (US)
131AQI (US)
160AQI (US)
167AQI (US)
164AQI (US)
58AQI (US)
60AQI (US)
127AQI (US)
104AQI (US)
115AQI (US)
99AQI (US)
119AQI (US)
61AQI (US)
47AQI (US)
105AQI (US)
126AQI (US)
121AQI (US)
48AQI (US)
88AQI (US)
107AQI (US)
147AQI (US)
153AQI (US)
156AQI (US)
111AQI (US)
116AQI (US)
103AQI (US)
148AQI (US)
93AQI (US)
122AQI (US)
145AQI (US)
138AQI (US)
108AQI (US)
110AQI (US)
69AQI (US)
112AQI (US)
139AQI (US)
80AQI (US)
69AQI (US)
95AQI (US)
106AQI (US)
133AQI (US)
151AQI (US)
164AQI (US)
156AQI (US)
158AQI (US)
105AQI (US)
93AQI (US)
132AQI (US)
59AQI (US)
69AQI (US)
83AQI (US)
101AQI (US)
106AQI (US)
94AQI (US)
85AQI (US)
35AQI (US)
40AQI (US)
69AQI (US)
100AQI (US)
92AQI (US)
81AQI (US)
120AQI (US)
102AQI (US)
101AQI (US)
133AQI (US)
126AQI (US)
119AQI (US)
123AQI (US)
103AQI (US)
72AQI (US)
71AQI (US)
59AQI (US)
89AQI (US)
70AQI (US)
66AQI (US)
72AQI (US)
62AQI (US)
45AQI (US)
59AQI (US)
73AQI (US)
124AQI (US)
67AQI (US)
28AQI (US)
56AQI (US)
66AQI (US)
70AQI (US)
60AQI (US)
61AQI (US)
63AQI (US)
75AQI (US)
46AQI (US)
97AQI (US)
113AQI (US)
110AQI (US)
103AQI (US)
76AQI (US)
65AQI (US)
57AQI (US)
54AQI (US)
64AQI (US)
67AQI (US)
80AQI (US)
72AQI (US)
72AQI (US)
66AQI (US)
54AQI (US)
63AQI (US)
53AQI (US)
49AQI (US)
55AQI (US)
71AQI (US)
90AQI (US)
94AQI (US)
85AQI (US)
52AQI (US)
23AQI (US)
36AQI (US)
30AQI (US)
34AQI (US)
40AQI (US)
48AQI (US)
47AQI (US)
74AQI (US)
62AQI (US)
63AQI (US)
93AQI (US)
75AQI (US)
65AQI (US)
93AQI (US)
86AQI (US)
52AQI (US)
44AQI (US)
70AQI (US)
56AQI (US)
116AQI (US)
57AQI (US)
39AQI (US)
47AQI (US)
90AQI (US)
58AQI (US)
48AQI (US)
47AQI (US)
77AQI (US)
91AQI (US)
55AQI (US)
32AQI (US)
37AQI (US)
59AQI (US)
44AQI (US)
52AQI (US)
46AQI (US)
65AQI (US)
37AQI (US)
29AQI (US)
58AQI (US)
60AQI (US)
78AQI (US)
54AQI (US)
44AQI (US)
71AQI (US)
76AQI (US)
40AQI (US)
53AQI (US)
54AQI (US)
80AQI (US)
52AQI (US)
55AQI (US)
58AQI (US)
46AQI (US)
33AQI (US)
25AQI (US)
36AQI (US)
31AQI (US)
34AQI (US)
29AQI (US)
42AQI (US)
26AQI (US)
56AQI (US)
75AQI (US)
33AQI (US)
51AQI (US)
45AQI (US)
27AQI (US)
36AQI (US)
44AQI (US)
48AQI (US)
44AQI (US)
45AQI (US)
115AQI (US)
110AQI (US)
118AQI (US)
85AQI (US)
70AQI (US)
62AQI (US)
53AQI (US)
42AQI (US)
No. of days
202684AQI (US)
Highest AQI (US) recorded in
March118AQI (US)
Lowest AQI (US) recorded in
August42AQI (US)
202595AQI (US)
Highest AQI (US) recorded in
November126AQI (US)
Lowest AQI (US) recorded in
August61AQI (US)
202490AQI (US)
Highest AQI (US) recorded in
January138AQI (US)
Lowest AQI (US) recorded in
April53AQI (US)
2023121AQI (US)
Highest AQI (US) recorded in
February135AQI (US)
Lowest AQI (US) recorded in
November46AQI (US)
2022106AQI (US)
Highest AQI (US) recorded in
January132AQI (US)
Lowest AQI (US) recorded in
August51AQI (US)
2021117AQI (US)
Highest AQI (US) recorded in
March171AQI (US)
Lowest AQI (US) recorded in
July63AQI (US)
2020111AQI (US)
Highest AQI (US) recorded in
December145AQI (US)
Lowest AQI (US) recorded in
September87AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Dacheng Environmental Protection Bureau's annual 2026 AQI (US) (84) shows an average percentage change of -20.3% (improved AQI (US)) compared to previous years: 2020 (111), 2021 (117), 2022 (106), 2023 (121), 2024 (90), 2025 (95).