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
4 Sep
Sat
5 Sep
Sun
6 Sep
Mon
7 Sep
Tue
8 Sep
Wed
9 Sep
Thu
10 Sep
Real-time AQI (Monitoring Station in Chengde)
铁路
3923
PM2.5
39
PM10
39
O3
0.6
CO
7
SO2
12
NO2
中国银行
3617
PM2.5
36
PM10
33
O3
0.7
CO
6
SO2
15
NO2
杏林街1号
3826
PM2.5
38
PM10
29
O3
0.8
CO
6
SO2
27
NO2
滨河大街98号
279
PM2.5
27
PM10
28
O3
0.3
CO
8
SO2
15
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