Qianxi County Fourth Experimental Primary School, Zunhua, 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
Qianxi County Fourth Experimental Primary School, Zunhua, Hebei, China
AQI Trends: Highest and Lowest
Same Day Analysis (15th October ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 124 of Poor air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 15th Oct - 16th Oct 2025
Qianxi County Fourth Experimental Primary School, Zunhua, Hebei, China
6 AM15th Oct 2025
5 PM
5 AM16th Oct 2025
159AQI
135AQI
170AQI
151AQI
In the last 24 hours,
Qianxi County Fourth Experimental Primary School's AQI reached its highest point of 170 at 1 AM during the Night, while the lowest point, 135, was recorded at 3 PM during the Day between 15th Oct and 16th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Qianxi County Fourth Experimental Primary School, Zunhua, Hebei, China
19°C14/23°C
16°C12/22°C
18°C12/24°C
17°C13/21°C
19°C12/26°C
19°C14/25°C
17°C15/19°C
17°C15/20°C
18°C12/26°C
20°C15/27°C
21°C17/27°C
17°C15/20°C
20°C13/27°C
20°C15/27°C
20°C14/27°C
22°C16/28°C
21°C16/26°C
17°C15/20°C
19°C14/25°C
17°C15/19°C
15°C11/21°C
17°C12/23°C
12°C8/15°C
8°C7/8°C
11°C9/16°C
12°C9/16°C
14°C11/17°C
14°C10/19°C
15°C11/21°C
15°C13/19°C
--°C/°C
88AQI
64AQI
89AQI
65AQI
2025 Days Vs Air Quality
Qianxi County Fourth Experimental Primary School, Zunhua, Hebei, China
2%
7
82%
237
13%
38
2%
6
Total number of days with different AQI categories in last 289 days in 2025 (76 days remaining)
Under WHO’s Safe Air Quality Limits: 2%
Health Risk Level:
Extreme
In 2025, 2% of 289 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
Qianxi County Fourth Experimental Primary School, Zunhua, Hebei, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
79AQI
65AQI
71AQI
91AQI
95AQI
70AQI
63AQI
50AQI
50AQI
58AQI
72AQI
79AQI
81AQI
65AQI
60AQI
69AQI
93AQI
122AQI
87AQI
123AQI
83AQI
105AQI
129AQI
145AQI
153AQI
124AQI
78AQI
83AQI
123AQI
95AQI
130AQI
119AQI
111AQI
71AQI
63AQI
52AQI
56AQI
39AQI
47AQI
54AQI
97AQI
124AQI
76AQI
96AQI
102AQI
113AQI
69AQI
66AQI
66AQI
60AQI
56AQI
51AQI
58AQI
52AQI
66AQI
68AQI
80AQI
137AQI
152AQI
157AQI
96AQI
93AQI
100AQI
125AQI
79AQI
104AQI
131AQI
159AQI
160AQI
179AQI
89AQI
113AQI
91AQI
99AQI
72AQI
71AQI
58AQI
66AQI
57AQI
58AQI
65AQI
109AQI
57AQI
75AQI
100AQI
70AQI
71AQI
59AQI
67AQI
88AQI
83AQI
64AQI
85AQI
90AQI
54AQI
87AQI
87AQI
78AQI
85AQI
102AQI
123AQI
97AQI
79AQI
74AQI
81AQI
109AQI
101AQI
73AQI
81AQI
96AQI
105AQI
72AQI
84AQI
55AQI
71AQI
106AQI
57AQI
81AQI
92AQI
77AQI
69AQI
68AQI
57AQI
69AQI
83AQI
67AQI
97AQI
95AQI
70AQI
77AQI
92AQI
105AQI
101AQI
81AQI
85AQI
110AQI
72AQI
83AQI
83AQI
118AQI
99AQI
116AQI
85AQI
82AQI
86AQI
84AQI
81AQI
91AQI
97AQI
108AQI
109AQI
101AQI
83AQI
57AQI
53AQI
71AQI
64AQI
59AQI
68AQI
75AQI
63AQI
73AQI
81AQI
80AQI
81AQI
64AQI
57AQI
66AQI
72AQI
67AQI
59AQI
51AQI
41AQI
62AQI
70AQI
68AQI
70AQI
73AQI
72AQI
82AQI
77AQI
71AQI
72AQI
65AQI
70AQI
71AQI
57AQI
63AQI
66AQI
68AQI
68AQI
75AQI
73AQI
59AQI
58AQI
65AQI
61AQI
56AQI
61AQI
66AQI
59AQI
60AQI
69AQI
61AQI
60AQI
65AQI
66AQI
64AQI
58AQI
52AQI
52AQI
58AQI
64AQI
66AQI
60AQI
60AQI
58AQI
66AQI
60AQI
62AQI
56AQI
58AQI
65AQI
65AQI
59AQI
64AQI
71AQI
58AQI
61AQI
66AQI
61AQI
60AQI
61AQI
55AQI
57AQI
58AQI
56AQI
57AQI
57AQI
54AQI
63AQI
66AQI
59AQI
59AQI
70AQI
75AQI
97AQI
83AQI
71AQI
67AQI
66AQI
78AQI
70AQI
75AQI
79AQI
77AQI
69AQI
60AQI
55AQI
45AQI
48AQI
54AQI
57AQI
61AQI
60AQI
57AQI
66AQI
90AQI
110AQI
139AQI
89AQI
80AQI
91AQI
106AQI
95AQI
77AQI
88AQI
98AQI
55AQI
90AQI
73AQI
51AQI
53AQI
59AQI
72AQI
82AQI
101AQI
124AQI
90AQI
79AQI
94AQI
84AQI
88AQI
69AQI
64AQI
61AQI
73AQI
82AQI
No. of days
202578AQI
Highest AQI recorded in
March94AQI
Lowest AQI recorded in
August61AQI
202472AQI
Highest AQI recorded in
October100AQI
Lowest AQI recorded in
January25AQI
202319AQI
Highest AQI recorded in
November24AQI
Lowest AQI recorded in
December19AQI
202282AQI
Highest AQI recorded in
January94AQI
Lowest AQI recorded in
July74AQI
202165AQI
Highest AQI recorded in
March141AQI
Lowest AQI recorded in
October1AQI
202091AQI
Highest AQI recorded in
July114AQI
Lowest AQI recorded in
December73AQI
Most & Least Polluted Years Over the Last 6 Years
Qianxi County Fourth Experimental Primary School's annual 2025 AQI (78) shows an average percentage change of 62.5% (worsened AQI) compared to previous years: 2020 (91), 2021 (65), 2022 (82), 2023 (19), 2024 (72).