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
22 Oct
Fri
23 Oct
Sat
24 Oct
Sun
25 Oct
Mon
26 Oct
Tue
27 Oct
Wed
28 Oct
Real-time AQI (Monitoring Station in Chengde)
铁路
3011
PM2.5
30
PM10
12
O3
0.4
CO
8
SO2
14
NO2
中国银行
2312
PM2.5
23
PM10
1
O3
0.4
CO
7
SO2
24
NO2
杏林街1号
3222
PM2.5
25
PM10
8
O3
0.4
CO
6
SO2
22
NO2
滨河大街98号
317
PM2.5
31
PM10
10
O3
0.2
CO
9
SO2
20
NO2
Air quality in the last 12 months (Chengde)
|
2026/08
|
31
|
31
|
29
|
23
|
30
|
34
|
27
|
26
|
27
|
37
|
39
|
21
|
21
|
24
|
26
|
25
|
25
|
29
|
30
|
41
|
51
|
45
|
34
|
35
|
35
|
25
|
29
|
23
|
21
|
25
|
23
|
|
2026/07
|
35
|
41
|
47
|
52
|
30
|
32
|
31
|
28
|
36
|
28
|
20
|
21
|
41
|
32
|
31
|
28
|
34
|
31
|
32
|
39
|
38
|
33
|
43
|
43
|
34
|
31
|
37
|
36
|
31
|
26
|
29
|
|
2026/06
|
46
|
76
|
26
|
20
|
18
|
18
|
21
|
20
|
20
|
23
|
24
|
46
|
42
|
30
|
52
|
49
|
34
|
41
|
58
|
28
|
23
|
34
|
28
|
33
|
25
|
29
|
40
|
57
|
49
|
38
|
|
|
2026/05
|
41
|
39
|
22
|
29
|
46
|
41
|
29
|
28
|
49
|
47
|
36
|
54
|
74
|
81
|
64
|
56
|
28
|
25
|
30
|
27
|
26
|
31
|
32
|
52
|
50
|
33
|
34
|
30
|
28
|
38
|
58
|
|
2026/04
|
29
|
62
|
79
|
45
|
46
|
29
|
25
|
47
|
46
|
28
|
46
|
52
|
45
|
64
|
70
|
68
|
43
|
67
|
83
|
94
|
43
|
47
|
53
|
57
|
55
|
45
|
29
|
23
|
28
|
37
|
|
|
2026/03
|
56
|
80
|
59
|
53
|
59
|
30
|
48
|
66
|
28
|
59
|
43
|
61
|
99
|
27
|
53
|
56
|
76
|
33
|
40
|
42
|
70
|
97
|
96
|
98
|
101
|
50
|
35
|
49
|
60
|
30
|
34
|
|
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
|
|
|
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