Wanquan Third Junior High School, Zhangjiakou, Hebei, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Wanquan Third Junior High School, Zhangjiakou, Hebei, China
AQI Trends: Highest and Lowest
Same Day Analysis (8th October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 4th highest AQI at 47 of Good air quality, showing improvement over 2024, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 8th Oct - 9th Oct 2025
Wanquan Third Junior High School, Zhangjiakou, Hebei, China
6 AM8th Oct 2025
6 PM
5 AM9th Oct 2025
58AQI
50AQI
54AQI
39AQI
In the last 24 hours,
Wanquan Third Junior High School's AQI reached its highest point of 58 at 3 PM during the Day, while the lowest point, 39, was recorded at 2 AM during the Night between 8th Oct and 9th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Wanquan Third Junior High School, Zhangjiakou, Hebei, China
18°C13/26°C
19°C13/25°C
20°C15/26°C
19°C17/24°C
19°C14/25°C
16°C13/21°C
15°C12/20°C
15°C12/18°C
13°C10/18°C
14°C8/19°C
16°C13/21°C
16°C11/22°C
15°C10/21°C
14°C12/16°C
14°C11/17°C
15°C11/22°C
16°C11/21°C
16°C13/21°C
16°C14/20°C
17°C13/23°C
16°C13/22°C
16°C11/23°C
17°C12/22°C
18°C14/22°C
16°C13/20°C
17°C13/22°C
16°C13/19°C
14°C13/18°C
15°C12/20°C
10°C7/11°C
--°C/°C
61AQI
56AQI
68AQI
60AQI
2025 Days Vs Air Quality
Wanquan Third Junior High School, Zhangjiakou, Hebei, China
12%
35
81%
228
6%
16
0.7%
2
Total number of days with different AQI categories in last 282 days in 2025 (83 days remaining)
Under WHO’s Safe Air Quality Limits: 12%
Health Risk Level:
Extreme
In 2025, 12% of 282 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
Wanquan Third Junior High School, Zhangjiakou, Hebei, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
62AQI
58AQI
61AQI
66AQI
58AQI
42AQI
43AQI
37AQI
46AQI
48AQI
69AQI
60AQI
71AQI
41AQI
57AQI
64AQI
83AQI
73AQI
69AQI
85AQI
61AQI
94AQI
111AQI
122AQI
153AQI
99AQI
73AQI
63AQI
85AQI
112AQI
130AQI
145AQI
87AQI
72AQI
58AQI
52AQI
52AQI
42AQI
44AQI
58AQI
89AQI
101AQI
66AQI
81AQI
77AQI
83AQI
45AQI
59AQI
45AQI
51AQI
49AQI
59AQI
47AQI
49AQI
74AQI
51AQI
75AQI
100AQI
94AQI
121AQI
81AQI
78AQI
86AQI
70AQI
60AQI
83AQI
105AQI
125AQI
146AQI
150AQI
90AQI
134AQI
102AQI
83AQI
64AQI
54AQI
53AQI
48AQI
42AQI
44AQI
56AQI
152AQI
64AQI
74AQI
114AQI
63AQI
61AQI
47AQI
57AQI
56AQI
49AQI
52AQI
66AQI
59AQI
52AQI
71AQI
58AQI
69AQI
66AQI
72AQI
119AQI
66AQI
70AQI
59AQI
64AQI
102AQI
72AQI
67AQI
63AQI
90AQI
85AQI
60AQI
58AQI
50AQI
62AQI
71AQI
44AQI
57AQI
55AQI
53AQI
51AQI
54AQI
47AQI
59AQI
96AQI
65AQI
87AQI
99AQI
68AQI
78AQI
67AQI
76AQI
71AQI
64AQI
69AQI
84AQI
64AQI
67AQI
64AQI
84AQI
76AQI
96AQI
86AQI
81AQI
79AQI
70AQI
71AQI
74AQI
84AQI
94AQI
72AQI
93AQI
48AQI
50AQI
43AQI
53AQI
44AQI
43AQI
47AQI
54AQI
57AQI
64AQI
79AQI
77AQI
71AQI
51AQI
54AQI
61AQI
66AQI
63AQI
59AQI
49AQI
47AQI
54AQI
56AQI
63AQI
67AQI
69AQI
68AQI
65AQI
67AQI
64AQI
62AQI
59AQI
64AQI
55AQI
52AQI
58AQI
61AQI
67AQI
63AQI
72AQI
73AQI
58AQI
65AQI
66AQI
59AQI
54AQI
58AQI
69AQI
51AQI
53AQI
58AQI
63AQI
57AQI
57AQI
60AQI
59AQI
63AQI
54AQI
49AQI
60AQI
66AQI
66AQI
64AQI
63AQI
60AQI
60AQI
57AQI
58AQI
54AQI
54AQI
59AQI
65AQI
62AQI
66AQI
68AQI
57AQI
62AQI
63AQI
61AQI
57AQI
58AQI
59AQI
54AQI
56AQI
54AQI
56AQI
57AQI
58AQI
63AQI
63AQI
64AQI
62AQI
69AQI
69AQI
71AQI
69AQI
67AQI
59AQI
65AQI
71AQI
69AQI
70AQI
68AQI
72AQI
61AQI
63AQI
50AQI
50AQI
49AQI
55AQI
58AQI
54AQI
58AQI
60AQI
60AQI
58AQI
51AQI
64AQI
54AQI
49AQI
54AQI
59AQI
63AQI
66AQI
71AQI
82AQI
81AQI
61AQI
47AQI
74AQI
68AQI
83AQI
66AQI
74AQI
59AQI
60AQI
60AQI
61AQI
66AQI
No. of days
202567AQI
Highest AQI recorded in
March83AQI
Lowest AQI recorded in
June59AQI
202459AQI
Highest AQI recorded in
March72AQI
Lowest AQI recorded in
January44AQI
202370AQI
Highest AQI recorded in
February86AQI
Lowest AQI recorded in
November17AQI
202269AQI
Highest AQI recorded in
August91AQI
Lowest AQI recorded in
May52AQI
202182AQI
Highest AQI recorded in
March158AQI
Lowest AQI recorded in
October53AQI
202077AQI
Highest AQI recorded in
July100AQI
Lowest AQI recorded in
September56AQI
Most & Least Polluted Years Over the Last 6 Years
Wanquan Third Junior High School's annual 2025 AQI (67) shows an average percentage change of -4.9% (improved AQI) compared to previous years: 2020 (77), 2021 (82), 2022 (69), 2023 (70), 2024 (59).