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
29 Mar
Sun
30 Mar
Mon
31 Mar
Tue
1 Apr
Wed
2 Apr
Thu
3 Apr
Fri
4 Apr
Real-time AQI (Monitoring Station in Chengde)
铁路
5610
PM2.5
61 *
PM10
37
O3
0.3
CO
6
SO2
26
NO2
中国银行
5420
PM2.5
58 *
PM10
42
O3
0.3
CO
5
SO2
20
NO2
开发区
5220
PM2.5
54 *
PM10
40
O3
0.4
CO
5
SO2
24
NO2
文化中心
5915
PM2.5
67 *
PM10
26
O3
0.3
CO
5
SO2
36
NO2
离宫
5424
PM2.5
57 *
PM10
34
O3
0.3
CO
10
SO2
18
NO2
Air quality in the last 12 months (Chengde)
|
2025/02
|
83
|
64
|
22
|
23
|
23
|
44
|
28
|
19
|
29
|
51
|
80
|
47
|
58
|
53
|
68
|
34
|
25
|
35
|
29
|
28
|
25
|
32
|
22
|
35
|
46
|
45
|
76
|
104
|
|||
|
2025/01
|
65
|
35
|
43
|
62
|
54
|
31
|
31
|
30
|
24
|
32
|
45
|
45
|
47
|
40
|
36
|
59
|
66
|
69
|
52
|
64
|
55
|
45
|
80
|
106
|
119
|
88
|
23
|
26
|
96
|
30
|
62
|
|
2024/12
|
56
|
28
|
40
|
44
|
34
|
36
|
25
|
40
|
50
|
57
|
51
|
72
|
37
|
37
|
46
|
44
|
31
|
34
|
56
|
52
|
30
|
35
|
55
|
69
|
72
|
32
|
28
|
45
|
63
|
61
|
51
|
|
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
|
|
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