Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
31
PM2.5
71
*
PM10
81
O3
0.5
CO
7
SO2
20
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
29 Sep
62
Good
Wed
30 Sep
56
Good
Thu
1 Oct
52
Good
Fri
2 Oct
72
Good
Sat
3 Oct
50
Excellent
Sun
4 Oct
53
Good
Mon
5 Oct
28
Excellent
Air quality in the last 12 months (Chengde)
|
2026/08
|
31
|
31
|
30
|
25
|
33
|
39
|
29
|
26
|
28
|
39
|
38
|
22
|
20
|
26
|
29
|
30
|
24
|
31
|
35
|
41
|
51
|
41
|
33
|
33
|
33
|
25
|
32
|
23
|
23
|
25
|
23
|
|
2026/07
|
37
|
46
|
51
|
53
|
32
|
30
|
27
|
27
|
39
|
29
|
20
|
23
|
34
|
32
|
36
|
32
|
37
|
36
|
35
|
43
|
39
|
34
|
40
|
41
|
33
|
30
|
35
|
40
|
32
|
27
|
30
|
|
2026/06
|
56
|
70
|
30
|
22
|
21
|
24
|
24
|
24
|
24
|
23
|
27
|
45
|
44
|
33
|
53
|
49
|
34
|
47
|
57
|
30
|
27
|
41
|
34
|
36
|
25
|
34
|
47
|
54
|
49
|
39
|
|
|
2026/05
|
46
|
39
|
24
|
31
|
50
|
45
|
30
|
31
|
52
|
49
|
37
|
54
|
71
|
76
|
62
|
55
|
32
|
26
|
32
|
27
|
29
|
36
|
35
|
58
|
51
|
35
|
39
|
35
|
29
|
44
|
60
|
|
2026/04
|
39
|
67
|
88
|
52
|
47
|
27
|
28
|
52
|
40
|
30
|
55
|
63
|
52
|
61
|
73
|
73
|
48
|
75
|
86
|
100
|
51
|
48
|
56
|
61
|
60
|
46
|
32
|
26
|
32
|
39
|
|
|
2026/03
|
58
|
74
|
75
|
55
|
59
|
37
|
54
|
67
|
29
|
64
|
57
|
65
|
91
|
36
|
56
|
62
|
81
|
36
|
43
|
49
|
74
|
104
|
99
|
108
|
115
|
73
|
42
|
55
|
64
|
32
|
39
|
|
2026/02
|
39
|
34
|
66
|
102
|
62
|
28
|
27
|
31
|
68
|
80
|
50
|
75
|
82
|
82
|
32
|
35
|
92
|
32
|
58
|
74
|
214
|
48
|
40
|
61
|
86
|
69
|
52
|
55
|
|||
|
2026/01
|
42
|
48
|
65
|
65
|
52
|
43
|
34
|
56
|
78
|
28
|
27
|
55
|
30
|
62
|
88
|
53
|
35
|
48
|
35
|
29
|
36
|
47
|
50
|
48
|
40
|
51
|
38
|
57
|
61
|
76
|
58
|
|
2025/12
|
27
|
25
|
25
|
35
|
46
|
77
|
57
|
31
|
56
|
74
|
52
|
43
|
33
|
47
|
74
|
70
|
66
|
97
|
129
|
30
|
36
|
68
|
59
|
35
|
28
|
55
|
72
|
97
|
71
|
38
|
29
|
|
2025/11
|
34
|
24
|
43
|
61
|
111
|
100
|
54
|
55
|
29
|
37
|
52
|
69
|
32
|
59
|
77
|
42
|
21
|
30
|
43
|
33
|
41
|
58
|
80
|
69
|
30
|
63
|
34
|
66
|
72
|
57
|
|
|
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
|
|
|
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