Bda, 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
Bda, Chengde, Hebei, China
AQI Trends: Highest and Lowest
Same Day Analysis (27th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 35 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Day & Night AQI Trend: 26th Sep - 27th Sep 2026
Bda, Chengde, Hebei, China
5 AM26th Sep 2026
6 PM
4 AM27th Sep 2026
56AQI
23AQI
50AQI
25AQI
In the last 24 hours,
Bda's AQI reached its highest point of 56 at 3 PM during the Day, while the lowest point, 23, was recorded at 6 AM during the Day between 26th Sep and 27th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Bda, Chengde, Hebei, China
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
18°C14/25°C
17°C13/22°C
16°C12/21°C
61AQI
40AQI
55AQI
43AQI
2026 Days Vs Air Quality
Bda, Chengde, Hebei, China
47%
128
43%
117
9%
23
0.7%
2
Total number of days with different AQI categories in last 270 days in 2026 (95 days remaining)
Under WHO’s Safe Air Quality Limits: 47%
Health Risk Level:
Significant
In 2026, 47% of 270 days were within WHO’s safe air quality limits, and 53% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Bda, Chengde, Hebei, China
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
65AQI (US)
75AQI (US)
104AQI (US)
91AQI (US)
63AQI (US)
46AQI (US)
56AQI (US)
87AQI (US)
103AQI (US)
29AQI (US)
39AQI (US)
53AQI (US)
53AQI (US)
99AQI (US)
147AQI (US)
70AQI (US)
48AQI (US)
59AQI (US)
34AQI (US)
37AQI (US)
47AQI (US)
71AQI (US)
72AQI (US)
48AQI (US)
57AQI (US)
57AQI (US)
56AQI (US)
91AQI (US)
84AQI (US)
112AQI (US)
53AQI (US)
43AQI (US)
51AQI (US)
96AQI (US)
141AQI (US)
74AQI (US)
28AQI (US)
23AQI (US)
46AQI (US)
92AQI (US)
78AQI (US)
60AQI (US)
99AQI (US)
101AQI (US)
83AQI (US)
32AQI (US)
57AQI (US)
80AQI (US)
50AQI (US)
76AQI (US)
97AQI (US)
101AQI (US)
54AQI (US)
48AQI (US)
87AQI (US)
134AQI (US)
82AQI (US)
104AQI (US)
86AQI (US)
110AQI (US)
136AQI (US)
100AQI (US)
97AQI (US)
100AQI (US)
46AQI (US)
94AQI (US)
86AQI (US)
33AQI (US)
90AQI (US)
60AQI (US)
111AQI (US)
143AQI (US)
63AQI (US)
64AQI (US)
89AQI (US)
134AQI (US)
49AQI (US)
44AQI (US)
60AQI (US)
102AQI (US)
126AQI (US)
152AQI (US)
154AQI (US)
127AQI (US)
84AQI (US)
43AQI (US)
67AQI (US)
92AQI (US)
38AQI (US)
46AQI (US)
33AQI (US)
75AQI (US)
94AQI (US)
86AQI (US)
46AQI (US)
32AQI (US)
42AQI (US)
78AQI (US)
65AQI (US)
27AQI (US)
52AQI (US)
56AQI (US)
47AQI (US)
99AQI (US)
129AQI (US)
113AQI (US)
69AQI (US)
112AQI (US)
78AQI (US)
63AQI (US)
48AQI (US)
54AQI (US)
82AQI (US)
87AQI (US)
72AQI (US)
60AQI (US)
43AQI (US)
27AQI (US)
22AQI (US)
31AQI (US)
44AQI (US)
39AQI (US)
20AQI (US)
26AQI (US)
61AQI (US)
48AQI (US)
23AQI (US)
32AQI (US)
71AQI (US)
68AQI (US)
37AQI (US)
62AQI (US)
120AQI (US)
123AQI (US)
102AQI (US)
78AQI (US)
65AQI (US)
63AQI (US)
63AQI (US)
69AQI (US)
82AQI (US)
87AQI (US)
82AQI (US)
76AQI (US)
71AQI (US)
52AQI (US)
42AQI (US)
28AQI (US)
23AQI (US)
36AQI (US)
54AQI (US)
39AQI (US)
83AQI (US)
32AQI (US)
26AQI (US)
37AQI (US)
31AQI (US)
32AQI (US)
34AQI (US)
30AQI (US)
30AQI (US)
28AQI (US)
48AQI (US)
68AQI (US)
44AQI (US)
99AQI (US)
86AQI (US)
38AQI (US)
75AQI (US)
83AQI (US)
36AQI (US)
26AQI (US)
37AQI (US)
38AQI (US)
55AQI (US)
23AQI (US)
34AQI (US)
49AQI (US)
91AQI (US)
73AQI (US)
49AQI (US)
48AQI (US)
70AQI (US)
84AQI (US)
80AQI (US)
28AQI (US)
43AQI (US)
42AQI (US)
36AQI (US)
54AQI (US)
37AQI (US)
21AQI (US)
20AQI (US)
51AQI (US)
36AQI (US)
34AQI (US)
28AQI (US)
50AQI (US)
41AQI (US)
39AQI (US)
58AQI (US)
68AQI (US)
46AQI (US)
84AQI (US)
62AQI (US)
47AQI (US)
37AQI (US)
61AQI (US)
54AQI (US)
44AQI (US)
40AQI (US)
46AQI (US)
55AQI (US)
49AQI (US)
38AQI (US)
39AQI (US)
43AQI (US)
48AQI (US)
42AQI (US)
31AQI (US)
35AQI (US)
54AQI (US)
57AQI (US)
36AQI (US)
23AQI (US)
30AQI (US)
40AQI (US)
36AQI (US)
34AQI (US)
35AQI (US)
42AQI (US)
68AQI (US)
93AQI (US)
76AQI (US)
50AQI (US)
52AQI (US)
48AQI (US)
29AQI (US)
33AQI (US)
28AQI (US)
32AQI (US)
45AQI (US)
27AQI (US)
36AQI (US)
46AQI (US)
36AQI (US)
43AQI (US)
40AQI (US)
64AQI (US)
53AQI (US)
27AQI (US)
34AQI (US)
37AQI (US)
39AQI (US)
41AQI (US)
37AQI (US)
31AQI (US)
39AQI (US)
65AQI (US)
93AQI (US)
95AQI (US)
77AQI (US)
43AQI (US)
43AQI (US)
52AQI (US)
76AQI (US)
48AQI (US)
68AQI (US)
35AQI (US)
35AQI (US)
68AQI (US)
75AQI (US)
88AQI (US)
64AQI (US)
60AQI (US)
48AQI (US)
48AQI (US)
43AQI (US)
49AQI (US)
No. of days
202661AQI (US)
Highest AQI (US) recorded in
March88AQI (US)
Lowest AQI (US) recorded in
August43AQI (US)
202574AQI (US)
Highest AQI (US) recorded in
December91AQI (US)
Lowest AQI (US) recorded in
August59AQI (US)
202477AQI (US)
Highest AQI (US) recorded in
January98AQI (US)
Lowest AQI (US) recorded in
August50AQI (US)
202385AQI (US)
Highest AQI (US) recorded in
February111AQI (US)
Lowest AQI (US) recorded in
August55AQI (US)
202282AQI (US)
Highest AQI (US) recorded in
January115AQI (US)
Lowest AQI (US) recorded in
July58AQI (US)
202183AQI (US)
Highest AQI (US) recorded in
March134AQI (US)
Lowest AQI (US) recorded in
July46AQI (US)
202076AQI (US)
Highest AQI (US) recorded in
December93AQI (US)
Lowest AQI (US) recorded in
September61AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Bda's annual 2026 AQI (US) (61) shows an average percentage change of -23.07% (improved AQI (US)) compared to previous years: 2020 (76), 2021 (83), 2022 (82), 2023 (85), 2024 (77), 2025 (74).