Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
26
PM2.5
70
*
PM10
18
O3
0.8
CO
7
SO2
26
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
26 Nov
70
Good
Thu
27 Nov
65
Good
Fri
28 Nov
68
Good
Sat
29 Nov
68
Good
Sun
30 Nov
66
Good
Mon
1 Dec
79
Good
Tue
2 Dec
38
Excellent
Chengde Air quality rank
Air quality in the last 12 months (Chengde)
|
2025/10
|
46
|
48
|
39
|
46
|
35
|
20
|
36
|
25
|
14
|
18
|
30
|
33
|
40
|
47
|
56
|
37
|
26
|
17
|
20
|
24
|
34
|
39
|
51
|
74
|
81
|
32
|
31
|
62
|
129
|
97
|
53
|
|
2025/09
|
34
|
33
|
46
|
54
|
51
|
34
|
31
|
26
|
43
|
31
|
55
|
62
|
59
|
32
|
23
|
24
|
24
|
26
|
35
|
37
|
36
|
31
|
29
|
43
|
44
|
44
|
49
|
43
|
42
|
46
|
|
|
2025/08
|
44
|
51
|
39
|
29
|
23
|
32
|
29
|
30
|
22
|
27
|
35
|
35
|
24
|
33
|
43
|
30
|
32
|
40
|
34
|
25
|
23
|
25
|
32
|
23
|
26
|
27
|
25
|
16
|
38
|
40
|
40
|
|
2025/07
|
34
|
36
|
28
|
35
|
34
|
19
|
27
|
38
|
43
|
52
|
48
|
52
|
25
|
25
|
29
|
21
|
22
|
26
|
37
|
28
|
24
|
37
|
40
|
22
|
30
|
41
|
28
|
19
|
20
|
27
|
33
|
|
2025/06
|
48
|
45
|
25
|
23
|
35
|
33
|
28
|
35
|
46
|
24
|
39
|
56
|
45
|
45
|
19
|
18
|
32
|
49
|
41
|
29
|
24
|
32
|
41
|
57
|
58
|
51
|
52
|
30
|
49
|
38
|
|
|
2025/05
|
30
|
34
|
26
|
34
|
41
|
23
|
52
|
73
|
24
|
31
|
47
|
61
|
68
|
34
|
40
|
65
|
38
|
27
|
45
|
68
|
59
|
61
|
39
|
30
|
42
|
49
|
41
|
44
|
62
|
71
|
58
|
|
2025/04
|
44
|
20
|
41
|
59
|
23
|
46
|
62
|
36
|
41
|
54
|
75
|
101
|
45
|
28
|
49
|
64
|
60
|
35
|
24
|
48
|
57
|
44
|
63
|
37
|
34
|
67
|
36
|
41
|
55
|
49
|
|
|
2025/03
|
114
|
50
|
40
|
56
|
56
|
32
|
51
|
84
|
103
|
111
|
135
|
51
|
63
|
58
|
36
|
29
|
31
|
23
|
32
|
35
|
31
|
43
|
84
|
73
|
46
|
95
|
48
|
34
|
35
|
38
|
50
|
|
2025/02
|
80
|
67
|
19
|
19
|
20
|
45
|
25
|
16
|
28
|
56
|
87
|
50
|
58
|
58
|
72
|
35
|
20
|
32
|
30
|
28
|
22
|
31
|
22
|
39
|
50
|
47
|
87
|
122
|
|||
|
2025/01
|
62
|
32
|
42
|
66
|
61
|
31
|
29
|
25
|
24
|
32
|
46
|
47
|
51
|
40
|
31
|
56
|
70
|
84
|
56
|
68
|
58
|
46
|
74
|
104
|
121
|
82
|
20
|
30
|
113
|
37
|
62
|
|
2024/12
|
63
|
23
|
38
|
36
|
36
|
29
|
22
|
34
|
53
|
57
|
48
|
76
|
39
|
31
|
47
|
49
|
30
|
35
|
60
|
52
|
30
|
33
|
52
|
69
|
77
|
29
|
25
|
42
|
66
|
68
|
52
|
|
2024/11
|
100
|
66
|
56
|
30
|
39
|
39
|
74
|
103
|
107
|
93
|
63
|
57
|
54
|
56
|
45
|
43
|
32
|
41
|
62
|
65
|
41
|
38
|
53
|
80
|
57
|
18
|
22
|
26
|
33
|
44
|
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution