Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
23 Dec
Tue
24 Dec
Wed
25 Dec
Thu
26 Dec
Fri
27 Dec
Sat
28 Dec
Sun
29 Dec
Real-time AQI (Monitoring Station in Chengde)
铁路
4428
PM2.5
44
PM10
6
O3
0.8
CO
4
SO2
44
NO2
中国银行
4429
PM2.5
44
PM10
2
O3
0.7
CO
1
SO2
34
NO2
开发区
5438 *
PM2.5
54
PM10
5
O3
0.8
CO
3
SO2
44
NO2
文化中心
7034
PM2.5
89 *
PM10
3
O3
0.7
CO
3
SO2
53
NO2
离宫
5236 *
PM2.5
45
PM10
18
O3
0.6
CO
2
SO2
29
NO2
Air quality in the last 12 months (Chengde)
|
2024/11
|
105
|
76
|
52
|
34
|
42
|
43
|
68
|
104
|
107
|
88
|
63
|
58
|
56
|
60
|
49
|
45
|
36
|
43
|
63
|
63
|
39
|
39
|
54
|
76
|
58
|
22
|
25
|
26
|
35
|
44
|
|
|
2024/10
|
23
|
25
|
30
|
42
|
64
|
47
|
25
|
30
|
51
|
31
|
38
|
59
|
84
|
91
|
37
|
46
|
63
|
46
|
24
|
31
|
46
|
30
|
35
|
48
|
68
|
117
|
43
|
38
|
52
|
47
|
80
|
|
2024/09
|
25
|
21
|
28
|
39
|
29
|
30
|
23
|
33
|
43
|
25
|
36
|
29
|
31
|
22
|
23
|
32
|
21
|
31
|
50
|
17
|
16
|
23
|
25
|
44
|
45
|
29
|
39
|
45
|
53
|
17
|
|
|
2024/08
|
22
|
31
|
28
|
19
|
28
|
29
|
42
|
46
|
41
|
43
|
42
|
18
|
22
|
29
|
28
|
35
|
44
|
30
|
22
|
12
|
19
|
30
|
27
|
32
|
32
|
22
|
31
|
41
|
39
|
41
|
33
|
|
2024/07
|
32
|
37
|
25
|
28
|
40
|
43
|
32
|
43
|
58
|
49
|
53
|
45
|
46
|
44
|
50
|
39
|
20
|
23
|
31
|
29
|
39
|
25
|
42
|
50
|
21
|
19
|
27
|
27
|
36
|
21
|
17
|
|
2024/06
|
30
|
30
|
31
|
44
|
49
|
52
|
44
|
32
|
35
|
46
|
37
|
39
|
49
|
25
|
21
|
33
|
46
|
54
|
61
|
46
|
57
|
93
|
123
|
21
|
32
|
45
|
60
|
52
|
59
|
35
|
|
|
2024/05
|
36
|
47
|
56
|
59
|
68
|
53
|
46
|
48
|
68
|
132
|
159
|
30
|
32
|
49
|
24
|
41
|
57
|
60
|
49
|
24
|
40
|
53
|
70
|
24
|
25
|
25
|
32
|
36
|
58
|
39
|
16
|
|
2024/04
|
55
|
61
|
30
|
53
|
62
|
54
|
46
|
48
|
51
|
49
|
54
|
88
|
67
|
51
|
132
|
41
|
56
|
65
|
46
|
32
|
49
|
62
|
23
|
35
|
82
|
79
|
50
|
20
|
18
|
28
|
|
|
2024/03
|
34
|
44
|
32
|
55
|
68
|
42
|
44
|
29
|
50
|
78
|
72
|
39
|
44
|
45
|
81
|
125
|
31
|
85
|
42
|
28
|
61
|
55
|
53
|
50
|
48
|
66
|
96
|
232
|
86
|
55
|
42
|
|
2024/02
|
48
|
66
|
66
|
55
|
55
|
50
|
38
|
39
|
51
|
62
|
58
|
72
|
114
|
77
|
32
|
57
|
81
|
89
|
36
|
32
|
28
|
35
|
42
|
67
|
45
|
58
|
82
|
72
|
39
|
||
|
2024/01
|
74
|
101
|
46
|
59
|
45
|
38
|
41
|
66
|
73
|
48
|
66
|
67
|
80
|
36
|
50
|
74
|
102
|
77
|
39
|
28
|
30
|
26
|
28
|
33
|
34
|
49
|
47
|
47
|
62
|
117
|
67
|
|
2023/12
|
31
|
48
|
49
|
87
|
99
|
60
|
103
|
109
|
49
|
37
|
27
|
47
|
76
|
35
|
26
|
25
|
37
|
64
|
51
|
28
|
27
|
41
|
45
|
49
|
68
|
73
|
77
|
75
|
80
|
95
|
54
|
|
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
*: primary pollution