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
15 Jul
Thu
16 Jul
Fri
17 Jul
Sat
18 Jul
Sun
19 Jul
Mon
20 Jul
Tue
21 Jul
Real-time AQI (Monitoring Station in Chengde)
中国银行
3920
PM2.5
32
PM10
122
O3
0.4
CO
14
SO2
9
NO2
杏林街1号
4833
PM2.5
45
PM10
108
O3
0.7
CO
30
SO2
13
NO2
Air quality in the last 12 months (Chengde)
|
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
|
|
|
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
|
|
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