Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
73
O3
0.3
CO
6
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Mar
110
Light
Mon
30 Mar
61
Good
Tue
31 Mar
73
Good
Wed
1 Apr
63
Good
Thu
2 Apr
82
Good
Fri
3 Apr
62
Good
Sat
4 Apr
19
Excellent
Air quality in the last 12 months (Shanhaiguan)
|
2026/02
|
77
|
46
|
97
|
135
|
83
|
32
|
35
|
37
|
85
|
109
|
98
|
132
|
184
|
143
|
47
|
66
|
71
|
33
|
73
|
103
|
142
|
61
|
48
|
59
|
83
|
59
|
34
|
40
|
|||
|
2026/01
|
42
|
54
|
73
|
80
|
73
|
58
|
30
|
52
|
97
|
39
|
23
|
65
|
27
|
57
|
90
|
55
|
39
|
50
|
32
|
46
|
41
|
39
|
48
|
48
|
39
|
55
|
60
|
38
|
58
|
62
|
76
|
|
2025/12
|
25
|
27
|
27
|
34
|
40
|
99
|
56
|
30
|
48
|
90
|
37
|
35
|
63
|
44
|
101
|
59
|
62
|
123
|
140
|
27
|
28
|
50
|
63
|
39
|
30
|
36
|
72
|
167
|
63
|
41
|
33
|
|
2025/11
|
38
|
23
|
40
|
72
|
122
|
69
|
46
|
64
|
42
|
43
|
43
|
116
|
37
|
67
|
162
|
72
|
22
|
30
|
47
|
40
|
33
|
85
|
101
|
75
|
31
|
68
|
39
|
64
|
119
|
43
|
|
|
2025/10
|
71
|
73
|
39
|
53
|
44
|
27
|
43
|
33
|
28
|
28
|
33
|
41
|
54
|
65
|
103
|
48
|
49
|
28
|
33
|
31
|
34
|
38
|
39
|
57
|
118
|
61
|
36
|
40
|
124
|
80
|
44
|
|
2025/09
|
50
|
58
|
57
|
50
|
39
|
38
|
52
|
31
|
52
|
41
|
52
|
42
|
43
|
47
|
34
|
41
|
23
|
25
|
44
|
50
|
43
|
34
|
30
|
45
|
63
|
71
|
70
|
58
|
57
|
79
|
|
|
2025/08
|
34
|
22
|
25
|
21
|
21
|
30
|
25
|
22
|
20
|
36
|
43
|
43
|
33
|
41
|
35
|
36
|
32
|
35
|
35
|
19
|
28
|
20
|
40
|
19
|
17
|
29
|
37
|
20
|
41
|
48
|
28
|
|
2025/07
|
43
|
42
|
20
|
38
|
51
|
28
|
35
|
38
|
38
|
41
|
35
|
41
|
30
|
25
|
29
|
26
|
24
|
21
|
32
|
31
|
34
|
38
|
26
|
28
|
37
|
38
|
35
|
29
|
19
|
25
|
31
|
|
2025/06
|
49
|
64
|
31
|
33
|
55
|
55
|
37
|
39
|
48
|
34
|
54
|
39
|
27
|
29
|
25
|
29
|
35
|
51
|
45
|
35
|
31
|
48
|
58
|
51
|
50
|
43
|
36
|
21
|
62
|
51
|
|
|
2025/05
|
46
|
37
|
32
|
41
|
44
|
45
|
56
|
60
|
41
|
34
|
73
|
78
|
70
|
54
|
50
|
44
|
45
|
39
|
72
|
82
|
59
|
69
|
41
|
38
|
41
|
66
|
102
|
66
|
59
|
67
|
69
|
|
2025/04
|
79
|
28
|
52
|
58
|
32
|
48
|
74
|
44
|
38
|
73
|
63
|
94
|
34
|
28
|
55
|
65
|
74
|
37
|
45
|
62
|
52
|
36
|
67
|
46
|
51
|
68
|
43
|
47
|
64
|
77
|
|
|
2025/03
|
129
|
52
|
30
|
53
|
74
|
41
|
52
|
91
|
188
|
118
|
124
|
64
|
55
|
53
|
36
|
32
|
40
|
30
|
53
|
32
|
39
|
43
|
80
|
90
|
74
|
92
|
87
|
38
|
42
|
38
|
77
|
|
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