Longyan County Environmental Protection Bureau, Xingtai, 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
Longyan County Environmental Protection Bureau, Xingtai, Hebei, China
AQI Trends: Highest and Lowest
Same Day Analysis (13th August ):
On this day, AQI across the 4 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: 14th Aug - 15th Aug 2025
Longyan County Environmental Protection Bureau, Xingtai, Hebei, China
5 AM14th Aug 2025
7 PM
4 AM15th Aug 2025
89AQI
62AQI
69AQI
63AQI
In the last 24 hours,
Longyan County Environmental Protection Bureau's AQI reached its highest point of 89 at 1 PM during the Day, while the lowest point, 62, was recorded at 7 AM during the Day between 14th Aug and 15th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Longyan County Environmental Protection Bureau, Xingtai, Hebei, China
30°C23/37°C
32°C26/37°C
33°C27/40°C
33°C27/39°C
26°C23/29°C
29°C23/36°C
31°C25/38°C
30°C26/36°C
31°C25/37°C
32°C27/38°C
34°C28/40°C
34°C28/41°C
34°C28/40°C
33°C27/40°C
31°C25/37°C
30°C25/37°C
32°C24/39°C
33°C26/39°C
33°C26/42°C
27°C25/29°C
30°C25/36°C
31°C27/37°C
33°C27/40°C
27°C22/36°C
26°C22/33°C
28°C24/34°C
30°C23/38°C
30°C24/39°C
27°C21/34°C
29°C23/37°C
--°C/°C
64AQI
64AQI
64AQI
64AQI
2025 Days Vs Air Quality
Longyan County Environmental Protection Bureau, Xingtai, Hebei, China
0.4%
1
65%
147
28%
63
6%
14
Total number of days with different AQI categories in last 227 days in 2025 (138 days remaining)
Under WHO’s Safe Air Quality Limits: 0.44%
Health Risk Level:
Extreme
In 2025, 0.44% of 227 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
Longyan County Environmental Protection Bureau, Xingtai, Hebei, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
153AQI
107AQI
132AQI
156AQI
125AQI
88AQI
90AQI
64AQI
70AQI
94AQI
108AQI
88AQI
124AQI
102AQI
89AQI
94AQI
125AQI
144AQI
128AQI
159AQI
170AQI
120AQI
158AQI
149AQI
161AQI
112AQI
77AQI
108AQI
168AQI
143AQI
155AQI
148AQI
166AQI
101AQI
96AQI
67AQI
109AQI
50AQI
69AQI
94AQI
118AQI
144AQI
101AQI
120AQI
130AQI
127AQI
84AQI
82AQI
94AQI
98AQI
117AQI
125AQI
104AQI
72AQI
103AQI
98AQI
129AQI
143AQI
166AQI
186AQI
118AQI
100AQI
90AQI
116AQI
92AQI
138AQI
134AQI
152AQI
153AQI
159AQI
144AQI
148AQI
128AQI
107AQI
72AQI
72AQI
62AQI
75AQI
60AQI
60AQI
67AQI
101AQI
128AQI
109AQI
106AQI
108AQI
99AQI
76AQI
86AQI
92AQI
90AQI
69AQI
90AQI
120AQI
72AQI
106AQI
120AQI
116AQI
120AQI
116AQI
130AQI
103AQI
85AQI
76AQI
82AQI
110AQI
130AQI
87AQI
96AQI
102AQI
99AQI
83AQI
97AQI
71AQI
90AQI
88AQI
87AQI
74AQI
75AQI
92AQI
74AQI
88AQI
62AQI
78AQI
106AQI
81AQI
105AQI
101AQI
77AQI
79AQI
71AQI
78AQI
89AQI
79AQI
74AQI
100AQI
96AQI
88AQI
106AQI
102AQI
106AQI
108AQI
107AQI
90AQI
91AQI
90AQI
92AQI
95AQI
88AQI
88AQI
87AQI
106AQI
108AQI
73AQI
65AQI
77AQI
82AQI
91AQI
93AQI
91AQI
74AQI
81AQI
79AQI
82AQI
84AQI
68AQI
63AQI
65AQI
68AQI
63AQI
67AQI
63AQI
55AQI
61AQI
63AQI
69AQI
70AQI
78AQI
73AQI
69AQI
68AQI
62AQI
62AQI
60AQI
63AQI
57AQI
56AQI
59AQI
61AQI
64AQI
72AQI
73AQI
77AQI
74AQI
71AQI
74AQI
72AQI
69AQI
68AQI
71AQI
70AQI
68AQI
62AQI
54AQI
59AQI
61AQI
61AQI
59AQI
63AQI
54AQI
56AQI
57AQI
63AQI
63AQI
68AQI
65AQI
66AQI
69AQI
70AQI
72AQI
56AQI
58AQI
64AQI
65AQI
63AQI
121AQI
109AQI
108AQI
96AQI
90AQI
75AQI
64AQI
65AQI
No. of days
202593AQI
Highest AQI recorded in
January121AQI
Lowest AQI recorded in
July64AQI
202496AQI
Highest AQI recorded in
October129AQI
Lowest AQI recorded in
August61AQI
2023135AQI
Highest AQI recorded in
December136AQI
Lowest AQI recorded in
November120AQI
2022112AQI
Highest AQI recorded in
January166AQI
Lowest AQI recorded in
July69AQI
202190AQI
Highest AQI recorded in
March190AQI
Lowest AQI recorded in
October1AQI
2020119AQI
Highest AQI recorded in
December157AQI
Lowest AQI recorded in
August91AQI
Most & Least Polluted Years Over the Last 6 Years
Longyan County Environmental Protection Bureau's annual 2025 AQI (93) shows an average percentage change of -14.1% (improved AQI) compared to previous years: 2020 (119), 2021 (90), 2022 (112), 2023 (135), 2024 (96).