Huailaifu Elementary School, Zhangjiakou Shi Xuanhua Qu, 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
Huailaifu Elementary School, Zhangjiakou Shi Xuanhua Qu, Hebei, China
AQI Trends: Highest and Lowest
Same Day Analysis (8th October ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 65 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 8th Oct - 9th Oct 2025
Huailaifu Elementary School, Zhangjiakou Shi Xuanhua Qu, Hebei, China
6 AM8th Oct 2025
6 PM
5 AM9th Oct 2025
66AQI
41AQI
45AQI
36AQI
In the last 24 hours,
Huailaifu Elementary School's AQI reached its highest point of 66 at 8 AM during the Day, while the lowest point, 36, was recorded at 10 PM during the Night between 8th Oct and 9th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Huailaifu Elementary School, Zhangjiakou Shi Xuanhua Qu, Hebei, China
19°C13/24°C
18°C14/23°C
20°C17/24°C
19°C17/22°C
21°C17/26°C
17°C15/19°C
16°C13/18°C
16°C12/17°C
14°C11/18°C
14°C11/17°C
15°C13/18°C
17°C14/22°C
17°C13/21°C
13°C10/15°C
13°C11/15°C
15°C12/20°C
18°C15/20°C
19°C16/24°C
16°C13/19°C
17°C11/20°C
19°C16/24°C
18°C14/22°C
19°C16/21°C
18°C15/21°C
16°C14/19°C
18°C14/22°C
15°C12/19°C
13°C10/14°C
16°C13/19°C
10°C5/15°C
--°C/°C
61AQI
54AQI
65AQI
58AQI
2025 Days Vs Air Quality
Huailaifu Elementary School, Zhangjiakou Shi Xuanhua Qu, Hebei, China
9%
26
80%
226
9%
24
2%
5
Total number of days with different AQI categories in last 282 days in 2025 (83 days remaining)
Under WHO’s Safe Air Quality Limits: 9%
Health Risk Level:
Extreme
In 2025, 9% 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
Huailaifu Elementary School, Zhangjiakou Shi Xuanhua Qu, Hebei, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
74AQI
61AQI
69AQI
79AQI
64AQI
45AQI
42AQI
44AQI
44AQI
53AQI
76AQI
59AQI
61AQI
46AQI
56AQI
63AQI
89AQI
85AQI
75AQI
102AQI
77AQI
92AQI
126AQI
138AQI
161AQI
108AQI
74AQI
66AQI
122AQI
100AQI
136AQI
141AQI
98AQI
69AQI
60AQI
48AQI
53AQI
39AQI
46AQI
54AQI
87AQI
133AQI
65AQI
92AQI
83AQI
86AQI
50AQI
61AQI
58AQI
51AQI
53AQI
46AQI
47AQI
41AQI
64AQI
51AQI
79AQI
113AQI
114AQI
169AQI
109AQI
95AQI
91AQI
90AQI
61AQI
115AQI
121AQI
147AQI
156AQI
164AQI
94AQI
140AQI
95AQI
95AQI
60AQI
61AQI
49AQI
54AQI
41AQI
49AQI
62AQI
186AQI
63AQI
79AQI
98AQI
72AQI
73AQI
62AQI
67AQI
72AQI
72AQI
66AQI
86AQI
84AQI
71AQI
91AQI
85AQI
78AQI
77AQI
85AQI
120AQI
86AQI
87AQI
74AQI
79AQI
112AQI
84AQI
77AQI
77AQI
106AQI
100AQI
73AQI
79AQI
65AQI
82AQI
98AQI
63AQI
77AQI
72AQI
68AQI
69AQI
68AQI
63AQI
72AQI
95AQI
76AQI
102AQI
113AQI
74AQI
93AQI
81AQI
95AQI
93AQI
77AQI
79AQI
97AQI
74AQI
82AQI
78AQI
108AQI
105AQI
106AQI
96AQI
93AQI
89AQI
80AQI
74AQI
86AQI
90AQI
99AQI
92AQI
110AQI
55AQI
54AQI
45AQI
56AQI
52AQI
51AQI
63AQI
57AQI
59AQI
71AQI
81AQI
78AQI
76AQI
59AQI
55AQI
64AQI
68AQI
62AQI
59AQI
54AQI
47AQI
53AQI
59AQI
63AQI
64AQI
72AQI
68AQI
65AQI
66AQI
62AQI
63AQI
58AQI
63AQI
58AQI
55AQI
60AQI
62AQI
65AQI
62AQI
72AQI
72AQI
61AQI
64AQI
68AQI
60AQI
58AQI
60AQI
70AQI
47AQI
55AQI
62AQI
64AQI
59AQI
56AQI
63AQI
61AQI
57AQI
47AQI
50AQI
58AQI
66AQI
67AQI
61AQI
63AQI
58AQI
58AQI
57AQI
60AQI
50AQI
54AQI
60AQI
62AQI
60AQI
63AQI
65AQI
54AQI
60AQI
62AQI
59AQI
57AQI
58AQI
56AQI
53AQI
55AQI
52AQI
56AQI
55AQI
56AQI
62AQI
63AQI
61AQI
58AQI
69AQI
67AQI
81AQI
76AQI
66AQI
59AQI
61AQI
72AQI
69AQI
72AQI
69AQI
73AQI
58AQI
59AQI
47AQI
47AQI
48AQI
52AQI
55AQI
59AQI
58AQI
59AQI
63AQI
59AQI
61AQI
81AQI
60AQI
38AQI
48AQI
60AQI
68AQI
63AQI
65AQI
84AQI
69AQI
70AQI
65AQI
80AQI
71AQI
93AQI
82AQI
87AQI
63AQI
60AQI
59AQI
61AQI
68AQI
No. of days
202573AQI
Highest AQI recorded in
March93AQI
Lowest AQI recorded in
August59AQI
202451AQI
Highest AQI recorded in
November90AQI
Lowest AQI recorded in
January23AQI
20235AQI
Highest AQI recorded in
November9AQI
Lowest AQI recorded in
December5AQI
202274AQI
Highest AQI recorded in
April88AQI
Lowest AQI recorded in
May53AQI
202164AQI
Highest AQI recorded in
March160AQI
Lowest AQI recorded in
October1AQI
202089AQI
Highest AQI recorded in
July104AQI
Lowest AQI recorded in
December74AQI
Most & Least Polluted Years Over the Last 6 Years
Huailaifu Elementary School's annual 2025 AQI (73) shows an average percentage change of 255.3% (worsened AQI) compared to previous years: 2020 (89), 2021 (64), 2022 (74), 2023 (5), 2024 (51).