Qinglong Environmental Protection Bureau, Qianan, 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
Qinglong Environmental Protection Bureau, Qianan, Hebei, China
AQI Trends: Highest and Lowest
Same Day Analysis (5th October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 96 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Oct - 6th Oct 2025
Qinglong Environmental Protection Bureau, Qianan, Hebei, China
5 AM5th Oct 2025
6 PM
4 AM6th Oct 2025
AQI
AQI
101AQI
47AQI
In the last 24 hours,
Qinglong Environmental Protection Bureau's AQI reached its highest point of 101 at 5 AM during the Night, while the lowest point, 47, was recorded at 1 AM during the Night between 5th Oct and 6th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Qinglong Environmental Protection Bureau, Qianan, Hebei, China
20°C15/27°C
19°C14/26°C
19°C13/27°C
20°C14/27°C
20°C14/27°C
21°C16/27°C
20°C16/26°C
20°C14/26°C
19°C14/28°C
18°C14/24°C
18°C11/24°C
14°C8/20°C
15°C8/23°C
15°C11/20°C
16°C10/25°C
17°C11/24°C
16°C12/20°C
16°C13/21°C
17°C10/24°C
19°C13/27°C
20°C14/28°C
16°C13/21°C
18°C11/26°C
18°C12/27°C
18°C12/27°C
21°C13/29°C
20°C13/27°C
15°C12/21°C
18°C13/25°C
--°C/°C
--°C/°C
72AQI
60AQI
77AQI
67AQI
2025 Days Vs Air Quality
Qinglong Environmental Protection Bureau, Qianan, Hebei, China
3%
8
86%
240
10%
27
1%
3
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 3%
Health Risk Level:
Extreme
In 2025, 3% of 278 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
Qinglong Environmental Protection Bureau, Qianan, Hebei, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
81AQI
72AQI
76AQI
98AQI
101AQI
84AQI
61AQI
53AQI
54AQI
63AQI
78AQI
88AQI
81AQI
67AQI
63AQI
71AQI
87AQI
114AQI
84AQI
113AQI
84AQI
102AQI
129AQI
143AQI
156AQI
128AQI
80AQI
85AQI
135AQI
98AQI
137AQI
123AQI
128AQI
76AQI
76AQI
54AQI
62AQI
43AQI
51AQI
60AQI
91AQI
117AQI
78AQI
94AQI
95AQI
98AQI
66AQI
65AQI
60AQI
60AQI
60AQI
53AQI
56AQI
52AQI
66AQI
63AQI
78AQI
126AQI
137AQI
142AQI
94AQI
94AQI
98AQI
109AQI
71AQI
98AQI
127AQI
150AQI
156AQI
168AQI
86AQI
104AQI
89AQI
85AQI
67AQI
67AQI
56AQI
65AQI
59AQI
57AQI
64AQI
106AQI
57AQI
82AQI
100AQI
72AQI
74AQI
60AQI
66AQI
78AQI
92AQI
63AQI
76AQI
85AQI
64AQI
79AQI
85AQI
71AQI
76AQI
91AQI
108AQI
89AQI
76AQI
73AQI
78AQI
103AQI
98AQI
71AQI
76AQI
84AQI
90AQI
68AQI
80AQI
61AQI
71AQI
98AQI
60AQI
78AQI
79AQI
71AQI
70AQI
68AQI
62AQI
67AQI
77AQI
68AQI
91AQI
91AQI
69AQI
75AQI
86AQI
97AQI
99AQI
80AQI
79AQI
101AQI
74AQI
82AQI
81AQI
112AQI
99AQI
112AQI
84AQI
82AQI
87AQI
82AQI
83AQI
91AQI
87AQI
103AQI
98AQI
94AQI
78AQI
59AQI
59AQI
66AQI
64AQI
57AQI
67AQI
72AQI
59AQI
70AQI
76AQI
73AQI
73AQI
61AQI
55AQI
62AQI
68AQI
66AQI
56AQI
50AQI
44AQI
58AQI
65AQI
70AQI
69AQI
74AQI
67AQI
75AQI
69AQI
67AQI
67AQI
62AQI
69AQI
65AQI
57AQI
62AQI
63AQI
65AQI
67AQI
70AQI
68AQI
59AQI
56AQI
60AQI
57AQI
54AQI
57AQI
64AQI
53AQI
55AQI
61AQI
59AQI
55AQI
60AQI
61AQI
57AQI
55AQI
49AQI
50AQI
56AQI
61AQI
64AQI
59AQI
58AQI
55AQI
60AQI
51AQI
57AQI
47AQI
53AQI
59AQI
60AQI
57AQI
60AQI
64AQI
56AQI
58AQI
64AQI
60AQI
59AQI
61AQI
57AQI
59AQI
57AQI
55AQI
55AQI
56AQI
54AQI
61AQI
64AQI
60AQI
58AQI
69AQI
70AQI
78AQI
76AQI
70AQI
64AQI
65AQI
74AQI
68AQI
74AQI
73AQI
72AQI
64AQI
58AQI
54AQI
46AQI
48AQI
55AQI
56AQI
60AQI
60AQI
57AQI
64AQI
82AQI
90AQI
104AQI
96AQI
71AQI
85AQI
97AQI
88AQI
63AQI
75AQI
96AQI
92AQI
78AQI
90AQI
80AQI
85AQI
66AQI
60AQI
58AQI
69AQI
84AQI
No. of days
202576AQI
Highest AQI recorded in
January92AQI
Lowest AQI recorded in
August58AQI
202468AQI
Highest AQI recorded in
October88AQI
Lowest AQI recorded in
February40AQI
202375AQI
Highest AQI recorded in
March105AQI
Lowest AQI recorded in
November38AQI
202274AQI
Highest AQI recorded in
January96AQI
Lowest AQI recorded in
July59AQI
202182AQI
Highest AQI recorded in
March136AQI
Lowest AQI recorded in
July40AQI
202089AQI
Highest AQI recorded in
July96AQI
Lowest AQI recorded in
May75AQI
Most & Least Polluted Years Over the Last 6 Years
Qinglong Environmental Protection Bureau's annual 2025 AQI (76) shows an average percentage change of -1.6% (improved AQI) compared to previous years: 2020 (89), 2021 (82), 2022 (74), 2023 (75), 2024 (68).