Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
PM2.5
PM10
O3
CO
SO2
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
13 Mar
Sat
14 Mar
Sun
15 Mar
Mon
16 Mar
Tue
17 Mar
Wed
18 Mar
Thu
19 Mar
Real-time AQI (Monitoring Station in Chengde)
铁路
11778 *
PM2.5
118
PM10
22
O3
0.9
CO
2
SO2
50
NO2
中国银行
10969 *
PM2.5
119
PM10
23
O3
0.9
CO
1
SO2
46
NO2
杏林街1号
12890 *
PM2.5
121
PM10
32
O3
0.9
CO
3
SO2
34
NO2
滨河大街98号
11980 *
PM2.5
93
PM10
49
O3
0.8
CO
4
SO2
32
NO2
Air quality in the last 12 months (Chengde)
|
2026/02
|
36
|
30
|
54
|
78
|
51
|
22
|
20
|
27
|
58
|
68
|
33
|
58
|
59
|
64
|
29
|
26
|
90
|
26
|
48
|
65
|
198
|
48
|
37
|
55
|
85
|
63
|
49
|
51
|
|||
|
2026/01
|
40
|
40
|
59
|
58
|
40
|
41
|
33
|
54
|
70
|
27
|
23
|
49
|
29
|
56
|
83
|
48
|
28
|
45
|
33
|
26
|
30
|
40
|
45
|
39
|
30
|
45
|
35
|
52
|
55
|
69
|
49
|
|
2025/12
|
25
|
25
|
24
|
30
|
41
|
70
|
54
|
33
|
54
|
70
|
50
|
38
|
30
|
43
|
62
|
67
|
55
|
72
|
113
|
31
|
37
|
63
|
57
|
39
|
27
|
48
|
65
|
79
|
63
|
36
|
27
|
|
2025/11
|
33
|
29
|
42
|
57
|
94
|
96
|
55
|
56
|
30
|
34
|
50
|
64
|
35
|
49
|
67
|
42
|
24
|
29
|
38
|
35
|
40
|
50
|
70
|
65
|
31
|
58
|
32
|
56
|
65
|
51
|
|
|
2025/10
|
37
|
40
|
35
|
40
|
31
|
21
|
35
|
26
|
17
|
20
|
31
|
35
|
40
|
43
|
50
|
34
|
24
|
21
|
22
|
25
|
33
|
37
|
50
|
72
|
68
|
30
|
31
|
56
|
122
|
97
|
54
|
|
2025/09
|
30
|
29
|
41
|
48
|
47
|
31
|
23
|
22
|
37
|
27
|
49
|
60
|
57
|
27
|
18
|
20
|
23
|
24
|
25
|
31
|
30
|
30
|
27
|
35
|
31
|
30
|
32
|
35
|
33
|
32
|
|
|
2025/08
|
41
|
51
|
39
|
28
|
25
|
27
|
26
|
27
|
23
|
24
|
32
|
29
|
24
|
28
|
39
|
29
|
31
|
34
|
35
|
24
|
23
|
26
|
29
|
22
|
25
|
23
|
23
|
20
|
36
|
37
|
38
|
|
2025/07
|
36
|
36
|
29
|
26
|
31
|
21
|
28
|
33
|
40
|
52
|
47
|
51
|
31
|
28
|
27
|
20
|
24
|
25
|
36
|
28
|
25
|
34
|
40
|
22
|
26
|
39
|
23
|
19
|
22
|
27
|
33
|
|
2025/06
|
42
|
40
|
28
|
27
|
30
|
27
|
27
|
35
|
44
|
25
|
40
|
56
|
41
|
48
|
22
|
21
|
33
|
49
|
39
|
29
|
25
|
31
|
39
|
50
|
60
|
52
|
53
|
32
|
46
|
33
|
|
|
2025/05
|
28
|
31
|
24
|
31
|
39
|
22
|
48
|
71
|
24
|
35
|
43
|
48
|
60
|
28
|
38
|
62
|
37
|
24
|
33
|
61
|
58
|
59
|
40
|
30
|
42
|
50
|
35
|
36
|
59
|
63
|
56
|
|
2025/04
|
42
|
25
|
38
|
56
|
24
|
41
|
61
|
38
|
37
|
46
|
71
|
98
|
47
|
32
|
47
|
62
|
54
|
28
|
21
|
43
|
51
|
41
|
61
|
34
|
32
|
60
|
30
|
34
|
50
|
40
|
|
|
2025/03
|
97
|
43
|
44
|
55
|
51
|
31
|
50
|
79
|
85
|
107
|
133
|
46
|
56
|
62
|
43
|
30
|
30
|
27
|
30
|
34
|
34
|
43
|
85
|
62
|
39
|
94
|
45
|
36
|
40
|
36
|
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
*: primary pollution