Air Quality
Excellent
No health implications.
5
PM2.5
9
PM10
37
O3
0.4
CO
6
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Nov
39
Excellent
Fri
13 Nov
38
Excellent
Sat
14 Nov
38
Excellent
Sun
15 Nov
40
Excellent
Mon
16 Nov
41
Excellent
Tue
17 Nov
36
Excellent
Wed
18 Nov
34
Excellent
Yanshan Air quality rank
Air quality in the last 12 months (Yanshan)
|
2026/09
|
36
|
40
|
38
|
32
|
20
|
24
|
25
|
25
|
27
|
26
|
27
|
30
|
34
|
35
|
24
|
17
|
17
|
16
|
20
|
26
|
26
|
30
|
32
|
35
|
29
|
26
|
26
|
24
|
21
|
23
|
|
|
2026/08
|
19
|
18
|
17
|
23
|
30
|
28
|
20
|
34
|
31
|
30
|
43
|
29
|
36
|
36
|
34
|
30
|
29
|
22
|
23
|
27
|
26
|
29
|
31
|
33
|
32
|
27
|
23
|
25
|
18
|
32
|
27
|
|
2026/07
|
14
|
15
|
16
|
17
|
18
|
17
|
18
|
20
|
21
|
21
|
17
|
19
|
23
|
23
|
26
|
18
|
17
|
20
|
32
|
43
|
39
|
29
|
25
|
23
|
19
|
25
|
22
|
16
|
15
|
18
|
17
|
|
2026/06
|
27
|
33
|
28
|
27
|
33
|
23
|
20
|
20
|
25
|
31
|
34
|
21
|
17
|
18
|
20
|
15
|
18
|
17
|
16
|
16
|
17
|
14
|
17
|
19
|
20
|
19
|
14
|
15
|
16
|
19
|
|
|
2026/05
|
29
|
26
|
23
|
30
|
31
|
37
|
34
|
41
|
41
|
17
|
18
|
21
|
24
|
27
|
31
|
39
|
31
|
25
|
25
|
25
|
23
|
22
|
25
|
22
|
25
|
35
|
37
|
36
|
26
|
23
|
30
|
|
2026/04
|
42
|
49
|
53
|
51
|
62
|
59
|
58
|
57
|
41
|
41
|
41
|
48
|
56
|
77
|
105
|
96
|
79
|
63
|
50
|
55
|
59
|
64
|
45
|
42
|
28
|
35
|
40
|
40
|
27
|
25
|
|
|
2026/03
|
49
|
59
|
58
|
44
|
47
|
30
|
37
|
23
|
16
|
24
|
39
|
47
|
46
|
55
|
30
|
32
|
46
|
38
|
48
|
55
|
56
|
29
|
28
|
47
|
59
|
68
|
85
|
107
|
69
|
48
|
51
|
|
2026/02
|
23
|
19
|
24
|
37
|
39
|
44
|
47
|
24
|
14
|
24
|
22
|
25
|
26
|
31
|
34
|
44
|
54
|
36
|
17
|
18
|
26
|
34
|
32
|
41
|
33
|
26
|
30
|
38
|
|||
|
2026/01
|
54
|
20
|
15
|
18
|
18
|
18
|
38
|
60
|
41
|
43
|
66
|
70
|
86
|
72
|
80
|
50
|
48
|
46
|
51
|
46
|
43
|
26
|
23
|
21
|
29
|
31
|
30
|
35
|
40
|
40
|
42
|
|
2025/12
|
51
|
60
|
67
|
56
|
46
|
38
|
40
|
47
|
43
|
44
|
46
|
46
|
44
|
34
|
31
|
38
|
41
|
25
|
26
|
44
|
49
|
39
|
39
|
37
|
33
|
36
|
35
|
37
|
34
|
40
|
38
|
|
2025/11
|
17
|
12
|
11
|
15
|
14
|
16
|
17
|
13
|
11
|
10
|
18
|
28
|
31
|
29
|
30
|
36
|
32
|
15
|
18
|
35
|
43
|
44
|
36
|
41
|
47
|
52
|
48
|
48
|
48
|
48
|
|
|
2025/10
|
11
|
14
|
18
|
18
|
22
|
18
|
10
|
13
|
15
|
21
|
28
|
32
|
33
|
25
|
14
|
12
|
18
|
23
|
28
|
27
|
17
|
17
|
23
|
26
|
14
|
16
|
19
|
20
|
25
|
24
|
29
|
|
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
Air quality source: CNEMC
*: primary pollution