Longhua County Vocational Education Center, Chengde, 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
Longhua County Vocational Education Center, Chengde, Hebei, China
AQI Trends: Highest and Lowest
Same Day Analysis (12th August ):
On this day, AQI across the 3 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: 13th Aug - 14th Aug 2025
Longhua County Vocational Education Center, Chengde, Hebei, China
5 AM13th Aug 2025
7 PM
4 AM14th Aug 2025
AQI
AQI
64AQI
51AQI
In the last 24 hours,
Longhua County Vocational Education Center's AQI reached its highest point of 64 at 5 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 13th Aug and 14th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Longhua County Vocational Education Center, Chengde, Hebei, China
20°C17/23°C
21°C18/26°C
23°C17/28°C
25°C19/31°C
24°C20/30°C
20°C18/21°C
25°C18/33°C
25°C19/31°C
24°C20/29°C
23°C20/26°C
23°C21/25°C
24°C22/28°C
23°C21/26°C
25°C22/29°C
21°C18/23°C
21°C17/25°C
21°C18/25°C
24°C18/29°C
24°C20/29°C
24°C21/27°C
24°C21/27°C
24°C22/29°C
26°C20/32°C
23°C20/27°C
20°C17/24°C
23°C17/30°C
22°C17/28°C
22°C18/29°C
22°C19/26°C
--°C/°C
--°C/°C
57AQI
57AQI
60AQI
60AQI
2025 Days Vs Air Quality
Longhua County Vocational Education Center, Chengde, Hebei, China
3%
6
89%
200
7%
16
0.8%
2
Total number of days with different AQI categories in last 225 days in 2025 (140 days remaining)
Under WHO’s Safe Air Quality Limits: 3%
Health Risk Level:
Extreme
In 2025, 3% 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
Longhua County Vocational Education Center, Chengde, Hebei, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
86AQI
70AQI
79AQI
87AQI
82AQI
77AQI
70AQI
58AQI
54AQI
67AQI
87AQI
93AQI
80AQI
75AQI
64AQI
77AQI
96AQI
83AQI
85AQI
104AQI
78AQI
94AQI
126AQI
142AQI
161AQI
104AQI
89AQI
78AQI
108AQI
84AQI
124AQI
130AQI
98AQI
77AQI
66AQI
63AQI
64AQI
58AQI
49AQI
70AQI
83AQI
121AQI
76AQI
94AQI
75AQI
80AQI
55AQI
59AQI
63AQI
54AQI
48AQI
46AQI
54AQI
49AQI
55AQI
52AQI
63AQI
97AQI
83AQI
126AQI
70AQI
95AQI
88AQI
83AQI
64AQI
88AQI
111AQI
125AQI
143AQI
167AQI
87AQI
105AQI
97AQI
77AQI
68AQI
67AQI
53AQI
62AQI
56AQI
57AQI
64AQI
103AQI
53AQI
73AQI
103AQI
59AQI
67AQI
53AQI
54AQI
59AQI
60AQI
51AQI
70AQI
70AQI
51AQI
74AQI
71AQI
59AQI
71AQI
66AQI
90AQI
74AQI
71AQI
69AQI
70AQI
89AQI
79AQI
63AQI
61AQI
72AQI
85AQI
62AQI
71AQI
57AQI
57AQI
73AQI
51AQI
55AQI
65AQI
57AQI
51AQI
65AQI
51AQI
60AQI
67AQI
66AQI
73AQI
100AQI
69AQI
77AQI
73AQI
77AQI
86AQI
69AQI
74AQI
86AQI
68AQI
67AQI
70AQI
96AQI
92AQI
113AQI
75AQI
83AQI
77AQI
84AQI
70AQI
77AQI
88AQI
98AQI
90AQI
88AQI
64AQI
56AQI
56AQI
55AQI
54AQI
49AQI
54AQI
61AQI
53AQI
62AQI
75AQI
74AQI
73AQI
65AQI
55AQI
62AQI
66AQI
64AQI
60AQI
51AQI
42AQI
53AQI
64AQI
68AQI
71AQI
75AQI
68AQI
71AQI
64AQI
65AQI
62AQI
59AQI
58AQI
58AQI
53AQI
57AQI
59AQI
64AQI
70AQI
72AQI
72AQI
63AQI
61AQI
62AQI
57AQI
55AQI
58AQI
62AQI
58AQI
56AQI
59AQI
63AQI
59AQI
59AQI
61AQI
56AQI
56AQI
52AQI
54AQI
56AQI
63AQI
63AQI
62AQI
60AQI
59AQI
60AQI
60AQI
59AQI
56AQI
58AQI
60AQI
63AQI
89AQI
71AQI
83AQI
67AQI
77AQI
62AQI
60AQI
60AQI
No. of days
202572AQI
Highest AQI recorded in
January89AQI
Lowest AQI recorded in
July60AQI
202466AQI
Highest AQI recorded in
November86AQI
Lowest AQI recorded in
February37AQI
202369AQI
Highest AQI recorded in
December72AQI
Lowest AQI recorded in
November37AQI
202264AQI
Highest AQI recorded in
April76AQI
Lowest AQI recorded in
July50AQI
202191AQI
Highest AQI recorded in
March120AQI
Lowest AQI recorded in
April59AQI
202071AQI
Highest AQI recorded in
July86AQI
Lowest AQI recorded in
September50AQI
Most & Least Polluted Years Over the Last 6 Years
Longhua County Vocational Education Center's annual 2025 AQI (72) shows an average percentage change of 1.6% (worsened AQI) compared to previous years: 2020 (71), 2021 (91), 2022 (64), 2023 (69), 2024 (66).