Chengde County River Management Station, Chengde, 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
Chengde County River Management Station, Chengde, Hebei, China
AQI Trends: Highest and Lowest
Same Day Analysis (13th October ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 3rd highest AQI at 62 of Moderate air quality, showing improvement over 2024 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 13th Oct - 14th Oct 2025
Chengde County River Management Station, Chengde, Hebei, China
6 AM13th Oct 2025
5 PM
5 AM14th Oct 2025
68AQI
51AQI
83AQI
71AQI
In the last 24 hours,
Chengde County River Management Station's AQI reached its highest point of 83 at 9 PM during the Night, while the lowest point, 51, was recorded at 12 PM during the Day between 13th Oct and 14th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Chengde County River Management Station, Chengde, Hebei, China
18°C12/25°C
15°C10/21°C
16°C10/21°C
13°C6/20°C
14°C6/23°C
15°C11/22°C
16°C9/24°C
17°C9/25°C
14°C8/20°C
13°C8/20°C
16°C9/24°C
17°C10/25°C
17°C11/26°C
15°C12/19°C
16°C10/25°C
17°C10/25°C
18°C11/27°C
18°C11/26°C
19°C13/27°C
16°C11/22°C
17°C11/25°C
14°C10/17°C
12°C6/19°C
15°C8/23°C
9°C4/14°C
6°C4/7°C
9°C6/15°C
10°C6/17°C
11°C7/16°C
13°C6/21°C
--°C/°C
61AQI
46AQI
66AQI
51AQI
2025 Days Vs Air Quality
Chengde County River Management Station, Chengde, Hebei, China
2%
7
89%
254
8%
22
1%
3
Total number of days with different AQI categories in last 287 days in 2025 (78 days remaining)
Under WHO’s Safe Air Quality Limits: 2%
Health Risk Level:
Extreme
In 2025, 2% of 287 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
Chengde County River Management Station, Chengde, Hebei, China
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
90AQI
70AQI
83AQI
102AQI
97AQI
74AQI
68AQI
55AQI
56AQI
63AQI
84AQI
84AQI
82AQI
66AQI
64AQI
79AQI
95AQI
120AQI
89AQI
120AQI
90AQI
100AQI
123AQI
137AQI
152AQI
115AQI
81AQI
84AQI
119AQI
91AQI
131AQI
125AQI
110AQI
74AQI
66AQI
56AQI
64AQI
47AQI
47AQI
56AQI
86AQI
118AQI
83AQI
100AQI
93AQI
98AQI
64AQI
65AQI
61AQI
59AQI
59AQI
52AQI
56AQI
51AQI
67AQI
64AQI
75AQI
122AQI
128AQI
143AQI
92AQI
98AQI
93AQI
94AQI
73AQI
87AQI
124AQI
138AQI
153AQI
165AQI
91AQI
106AQI
97AQI
88AQI
76AQI
68AQI
55AQI
63AQI
61AQI
56AQI
59AQI
104AQI
56AQI
71AQI
92AQI
66AQI
69AQI
58AQI
60AQI
71AQI
78AQI
57AQI
70AQI
78AQI
52AQI
71AQI
81AQI
65AQI
74AQI
80AQI
104AQI
71AQI
73AQI
66AQI
76AQI
94AQI
93AQI
64AQI
70AQI
77AQI
90AQI
64AQI
74AQI
56AQI
67AQI
89AQI
52AQI
72AQI
70AQI
66AQI
62AQI
63AQI
56AQI
58AQI
74AQI
64AQI
85AQI
95AQI
68AQI
74AQI
81AQI
86AQI
96AQI
76AQI
77AQI
101AQI
71AQI
71AQI
73AQI
102AQI
87AQI
106AQI
79AQI
78AQI
79AQI
82AQI
80AQI
79AQI
91AQI
97AQI
98AQI
92AQI
80AQI
60AQI
59AQI
63AQI
58AQI
57AQI
62AQI
70AQI
59AQI
67AQI
76AQI
77AQI
82AQI
65AQI
56AQI
63AQI
68AQI
67AQI
60AQI
53AQI
46AQI
56AQI
67AQI
72AQI
70AQI
76AQI
68AQI
74AQI
69AQI
68AQI
67AQI
64AQI
65AQI
66AQI
56AQI
60AQI
62AQI
67AQI
74AQI
74AQI
75AQI
62AQI
59AQI
62AQI
57AQI
54AQI
56AQI
64AQI
56AQI
53AQI
61AQI
63AQI
57AQI
61AQI
63AQI
57AQI
51AQI
52AQI
50AQI
55AQI
63AQI
64AQI
61AQI
60AQI
59AQI
61AQI
60AQI
57AQI
53AQI
55AQI
60AQI
64AQI
61AQI
64AQI
65AQI
57AQI
61AQI
64AQI
62AQI
60AQI
60AQI
59AQI
58AQI
58AQI
57AQI
58AQI
59AQI
54AQI
61AQI
67AQI
62AQI
59AQI
67AQI
73AQI
79AQI
79AQI
70AQI
66AQI
65AQI
71AQI
67AQI
72AQI
74AQI
75AQI
67AQI
58AQI
54AQI
49AQI
50AQI
54AQI
56AQI
57AQI
56AQI
55AQI
59AQI
58AQI
52AQI
49AQI
60AQI
59AQI
61AQI
62AQI
68AQI
65AQI
72AQI
71AQI
52AQI
71AQI
69AQI
57AQI
57AQI
63AQI
66AQI
62AQI
92AQI
77AQI
88AQI
73AQI
80AQI
66AQI
61AQI
60AQI
62AQI
64AQI
No. of days
202573AQI
Highest AQI recorded in
January92AQI
Lowest AQI recorded in
August60AQI
202469AQI
Highest AQI recorded in
January92AQI
Lowest AQI recorded in
September50AQI
202381AQI
Highest AQI recorded in
December89AQI
Lowest AQI recorded in
November54AQI
202262AQI
Highest AQI recorded in
November76AQI
Lowest AQI recorded in
March50AQI
202191AQI
Highest AQI recorded in
March117AQI
Lowest AQI recorded in
April62AQI
202070AQI
Highest AQI recorded in
July84AQI
Lowest AQI recorded in
September49AQI
Most & Least Polluted Years Over the Last 6 Years
Chengde County River Management Station's annual 2025 AQI (73) shows an average percentage change of -0.6% (improved AQI) compared to previous years: 2020 (70), 2021 (91), 2022 (62), 2023 (81), 2024 (69).