Chengde, Hebei, China Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Chengde, Hebei, China
AQI Trends: Highest and Lowest
Same Day Analysis (24th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 60 of Moderate air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 23rd Sep - 24th Sep 2026
Chengde, Hebei, China
5 AM23rd Sep 2026
6 PM
4 AM24th Sep 2026
79AQI
67AQI
99AQI
72AQI
In the last 24 hours,
Chengde's AQI reached its highest point of 99 at 10 PM during the Night, while the lowest point, 67, was recorded at 6 PM during the Day between 23rd Sep and 24th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Chengde, Hebei, China
20°C16/26°C
22°C18/26°C
18°C15/22°C
19°C15/25°C
20°C15/25°C
18°C14/22°C
19°C14/23°C
19°C14/24°C
21°C16/27°C
22°C17/27°C
23°C19/28°C
22°C17/27°C
16°C12/20°C
15°C11/19°C
15°C10/20°C
16°C10/23°C
18°C12/24°C
18°C13/25°C
17°C13/22°C
14°C9/20°C
16°C10/25°C
19°C13/28°C
21°C15/28°C
19°C14/25°C
19°C14/25°C
18°C15/21°C
18°C13/25°C
19°C14/26°C
20°C15/27°C
18°C15/21°C
52AQI
40AQI
59AQI
45AQI
2026 Days Vs Air Quality
Chengde, Hebei, China
45%
120
45%
119
10%
27
0.3%
1
Total number of days with different AQI categories in last 267 days in 2026 (98 days remaining)
Under WHO’s Safe Air Quality Limits: 45%
Health Risk Level:
Significant
In 2026, 45% of 267 days were within WHO’s safe air quality limits, and 55% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Chengde, Hebei, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
60AQI (US)
62AQI (US)
92AQI (US)
92AQI (US)
62AQI (US)
54AQI (US)
43AQI (US)
75AQI (US)
117AQI (US)
35AQI (US)
28AQI (US)
62AQI (US)
40AQI (US)
88AQI (US)
143AQI (US)
95AQI (US)
35AQI (US)
68AQI (US)
31AQI (US)
31AQI (US)
39AQI (US)
60AQI (US)
66AQI (US)
54AQI (US)
48AQI (US)
70AQI (US)
43AQI (US)
82AQI (US)
98AQI (US)
106AQI (US)
79AQI (US)
54AQI (US)
32AQI (US)
83AQI (US)
134AQI (US)
85AQI (US)
27AQI (US)
26AQI (US)
35AQI (US)
81AQI (US)
92AQI (US)
50AQI (US)
93AQI (US)
98AQI (US)
102AQI (US)
30AQI (US)
41AQI (US)
90AQI (US)
46AQI (US)
76AQI (US)
99AQI (US)
115AQI (US)
56AQI (US)
38AQI (US)
72AQI (US)
127AQI (US)
104AQI (US)
88AQI (US)
100AQI (US)
107AQI (US)
141AQI (US)
108AQI (US)
94AQI (US)
107AQI (US)
49AQI (US)
80AQI (US)
108AQI (US)
31AQI (US)
75AQI (US)
63AQI (US)
107AQI (US)
149AQI (US)
77AQI (US)
70AQI (US)
85AQI (US)
133AQI (US)
58AQI (US)
45AQI (US)
62AQI (US)
97AQI (US)
115AQI (US)
149AQI (US)
152AQI (US)
142AQI (US)
110AQI (US)
37AQI (US)
72AQI (US)
98AQI (US)
43AQI (US)
49AQI (US)
38AQI (US)
67AQI (US)
98AQI (US)
84AQI (US)
57AQI (US)
30AQI (US)
36AQI (US)
75AQI (US)
82AQI (US)
37AQI (US)
46AQI (US)
64AQI (US)
49AQI (US)
93AQI (US)
128AQI (US)
129AQI (US)
69AQI (US)
111AQI (US)
87AQI (US)
68AQI (US)
51AQI (US)
62AQI (US)
81AQI (US)
95AQI (US)
75AQI (US)
61AQI (US)
45AQI (US)
26AQI (US)
21AQI (US)
33AQI (US)
47AQI (US)
55AQI (US)
19AQI (US)
27AQI (US)
62AQI (US)
57AQI (US)
26AQI (US)
36AQI (US)
68AQI (US)
74AQI (US)
44AQI (US)
68AQI (US)
116AQI (US)
131AQI (US)
114AQI (US)
78AQI (US)
67AQI (US)
63AQI (US)
62AQI (US)
71AQI (US)
78AQI (US)
88AQI (US)
85AQI (US)
77AQI (US)
73AQI (US)
54AQI (US)
50AQI (US)
31AQI (US)
21AQI (US)
34AQI (US)
55AQI (US)
39AQI (US)
86AQI (US)
40AQI (US)
30AQI (US)
31AQI (US)
34AQI (US)
31AQI (US)
30AQI (US)
30AQI (US)
35AQI (US)
30AQI (US)
38AQI (US)
74AQI (US)
40AQI (US)
91AQI (US)
94AQI (US)
43AQI (US)
67AQI (US)
96AQI (US)
36AQI (US)
25AQI (US)
39AQI (US)
38AQI (US)
63AQI (US)
23AQI (US)
33AQI (US)
55AQI (US)
82AQI (US)
83AQI (US)
58AQI (US)
44AQI (US)
71AQI (US)
74AQI (US)
79AQI (US)
29AQI (US)
36AQI (US)
42AQI (US)
34AQI (US)
51AQI (US)
40AQI (US)
24AQI (US)
19AQI (US)
44AQI (US)
39AQI (US)
34AQI (US)
33AQI (US)
49AQI (US)
42AQI (US)
40AQI (US)
60AQI (US)
62AQI (US)
52AQI (US)
71AQI (US)
63AQI (US)
56AQI (US)
43AQI (US)
60AQI (US)
59AQI (US)
49AQI (US)
40AQI (US)
45AQI (US)
50AQI (US)
48AQI (US)
44AQI (US)
33AQI (US)
45AQI (US)
53AQI (US)
46AQI (US)
30AQI (US)
35AQI (US)
55AQI (US)
64AQI (US)
34AQI (US)
23AQI (US)
29AQI (US)
38AQI (US)
39AQI (US)
31AQI (US)
35AQI (US)
44AQI (US)
69AQI (US)
94AQI (US)
79AQI (US)
59AQI (US)
50AQI (US)
52AQI (US)
30AQI (US)
32AQI (US)
29AQI (US)
29AQI (US)
38AQI (US)
29AQI (US)
35AQI (US)
45AQI (US)
43AQI (US)
42AQI (US)
41AQI (US)
66AQI (US)
63AQI (US)
25AQI (US)
32AQI (US)
40AQI (US)
41AQI (US)
41AQI (US)
44AQI (US)
28AQI (US)
38AQI (US)
65AQI (US)
96AQI (US)
102AQI (US)
80AQI (US)
54AQI (US)
44AQI (US)
53AQI (US)
77AQI (US)
60AQI (US)
66AQI (US)
74AQI (US)
91AQI (US)
67AQI (US)
62AQI (US)
50AQI (US)
48AQI (US)
44AQI (US)
52AQI (US)
No. of days
202662AQI (US)
Highest AQI (US) recorded in
March91AQI (US)
Lowest AQI (US) recorded in
August44AQI (US)
202573AQI (US)
Highest AQI (US) recorded in
January87AQI (US)
Lowest AQI (US) recorded in
August59AQI (US)
202472AQI (US)
Highest AQI (US) recorded in
November87AQI (US)
Lowest AQI (US) recorded in
August51AQI (US)
202380AQI (US)
Highest AQI (US) recorded in
February100AQI (US)
Lowest AQI (US) recorded in
August54AQI (US)
202278AQI (US)
Highest AQI (US) recorded in
January106AQI (US)
Lowest AQI (US) recorded in
July61AQI (US)
202170AQI (US)
Highest AQI (US) recorded in
March130AQI (US)
Lowest AQI (US) recorded in
September31AQI (US)
202074AQI (US)
Highest AQI (US) recorded in
July84AQI (US)
Lowest AQI (US) recorded in
September56AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Chengde's annual 2026 AQI (US) (62) shows an average percentage change of -16.6% (improved AQI (US)) compared to previous years: 2020 (74), 2021 (70), 2022 (78), 2023 (80), 2024 (72), 2025 (73).