Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 Dec
Tue
3 Dec
Wed
4 Dec
Thu
5 Dec
Fri
6 Dec
Sat
7 Dec
Sun
8 Dec
Real-time AQI (Monitoring Station in Chengde)
铁路
318
PM2.5
31
PM10
32
O3
0.3
CO
4
SO2
34
NO2
开发区
3722
PM2.5
37
PM10
32
O3
0.2
CO
4
SO2
38
NO2
文化中心
5830
PM2.5
65 *
PM10
32
O3
0.6
CO
4
SO2
32
NO2
离宫
3413
PM2.5
34
PM10
52
O3
0.3
CO
2
SO2
4
NO2
Air quality in the last 12 months (Chengde)
|
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
|
|
2023/11
|
106
|
187
|
28
|
60
|
44
|
35
|
33
|
49
|
26
|
31
|
24
|
26
|
32
|
48
|
63
|
34
|
25
|
38
|
49
|
54
|
103
|
92
|
28
|
32
|
51
|
62
|
48
|
33
|
32
|
25
|
|
|
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