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 (29th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 59 of Moderate air quality, showing improvement over 2024 and 2022 on the same day.
Day & Night AQI Trend: 28th Sep - 29th Sep 2026
Bda, Chengde, Hebei, China
5 AM28th Sep 2026
6 PM
4 AM29th Sep 2026
62AQI
21AQI
71AQI
44AQI
In the last 24 hours,
Bda's AQI reached its highest point of 71 at 6 PM during the Night, while the lowest point, 21, was recorded at 11 AM during the Day between 28th Sep and 29th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Bda, Chengde, Hebei, China
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
15°C10/20°C
16°C11/22°C
61AQI
39AQI
56AQI
45AQI
2026 Days Vs Air Quality
Bda, Chengde, Hebei, China
47%
129
43%
118
8%
23
0.7%
2
Total number of days with different AQI categories in last 272 days in 2026 (93 days remaining)
Under WHO’s Safe Air Quality Limits: 47%
Health Risk Level:
Significant
In 2026, 47% of 272 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)
43AQI (US)
59AQI (US)
68AQI (US)
75AQI (US)
88AQI (US)
64AQI (US)
60AQI (US)
48AQI (US)
48AQI (US)
43AQI (US)
49AQI (US)
No. of days
202660AQI (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) (60) shows an average percentage change of -24.3% (improved AQI (US)) compared to previous years: 2020 (76), 2021 (83), 2022 (82), 2023 (85), 2024 (77), 2025 (74).