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
2 Jun
Wed
3 Jun
Thu
4 Jun
Fri
5 Jun
Sat
6 Jun
Sun
7 Jun
Mon
8 Jun
Real-time AQI (Monitoring Station in Chengde)
铁路
9226
PM2.5
77
PM10
193
O3
0.4
CO
4
SO2
9
NO2
中国银行
5021
PM2.5
50
PM10
110
O3
0.4
CO
2
SO2
12
NO2
滨河大街98号
4925
PM2.5
49
PM10
120
O3
0.3
CO
3
SO2
13
NO2
Air quality in the last 12 months (Chengde)
|
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
|
|
|
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
|
|
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