Air Quality
Excellent
No health implications.
4
PM2.5
11
PM10
83
O3
0.4
CO
6
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 May
41
Excellent
Thu
21 May
66
Good
Fri
22 May
57
Good
Sat
23 May
59
Good
Sun
24 May
58
Good
Mon
25 May
52
Good
Tue
26 May
37
Excellent
Air quality in the last 12 months (Haiyang)
|
2026/04
|
68
|
82
|
62
|
39
|
56
|
39
|
30
|
34
|
33
|
45
|
67
|
54
|
50
|
63
|
66
|
63
|
37
|
33
|
28
|
66
|
72
|
42
|
48
|
49
|
48
|
49
|
66
|
34
|
39
|
47
|
|
|
2026/03
|
84
|
57
|
58
|
103
|
71
|
38
|
34
|
47
|
47
|
43
|
51
|
68
|
79
|
71
|
71
|
91
|
60
|
46
|
39
|
59
|
66
|
72
|
114
|
110
|
85
|
106
|
103
|
82
|
75
|
63
|
50
|
|
2026/02
|
148
|
129
|
84
|
99
|
131
|
37
|
30
|
43
|
58
|
65
|
88
|
122
|
129
|
82
|
55
|
45
|
147
|
62
|
69
|
82
|
61
|
110
|
56
|
33
|
68
|
73
|
87
|
87
|
|||
|
2026/01
|
28
|
37
|
82
|
166
|
60
|
115
|
80
|
42
|
69
|
65
|
30
|
57
|
73
|
59
|
134
|
104
|
27
|
21
|
27
|
31
|
32
|
58
|
100
|
96
|
51
|
56
|
79
|
60
|
41
|
29
|
81
|
|
2025/12
|
46
|
27
|
31
|
47
|
38
|
75
|
108
|
53
|
70
|
53
|
55
|
21
|
37
|
62
|
76
|
95
|
63
|
52
|
79
|
112
|
30
|
30
|
35
|
44
|
30
|
35
|
50
|
93
|
157
|
56
|
25
|
|
2025/11
|
76
|
35
|
24
|
39
|
29
|
47
|
63
|
56
|
73
|
45
|
67
|
69
|
68
|
59
|
108
|
81
|
31
|
39
|
52
|
71
|
64
|
103
|
138
|
143
|
43
|
60
|
76
|
69
|
118
|
131
|
|
|
2025/10
|
52
|
25
|
10
|
19
|
12
|
8
|
18
|
24
|
21
|
11
|
15
|
19
|
27
|
21
|
18
|
47
|
55
|
22
|
25
|
20
|
19
|
21
|
28
|
37
|
74
|
93
|
36
|
47
|
32
|
21
|
29
|
|
2025/09
|
17
|
32
|
24
|
15
|
18
|
15
|
28
|
42
|
49
|
40
|
30
|
23
|
12
|
16
|
16
|
18
|
15
|
16
|
12
|
29
|
31
|
18
|
9
|
20
|
41
|
44
|
31
|
28
|
42
|
49
|
|
|
2025/08
|
14
|
18
|
13
|
20
|
19
|
13
|
18
|
20
|
14
|
14
|
24
|
14
|
19
|
21
|
16
|
21
|
30
|
29
|
22
|
28
|
25
|
25
|
37
|
24
|
24
|
15
|
24
|
24
|
23
|
15
|
9
|
|
2025/07
|
27
|
32
|
36
|
38
|
39
|
41
|
34
|
13
|
28
|
35
|
31
|
29
|
28
|
21
|
23
|
20
|
23
|
25
|
23
|
17
|
15
|
16
|
14
|
18
|
19
|
22
|
24
|
20
|
13
|
16
|
19
|
|
2025/06
|
45
|
25
|
36
|
29
|
46
|
53
|
40
|
29
|
28
|
22
|
18
|
13
|
10
|
10
|
23
|
38
|
35
|
34
|
13
|
16
|
41
|
36
|
33
|
32
|
37
|
50
|
32
|
35
|
16
|
17
|
|
|
2025/05
|
45
|
38
|
24
|
32
|
20
|
17
|
32
|
34
|
24
|
29
|
39
|
54
|
49
|
52
|
41
|
27
|
41
|
28
|
68
|
68
|
32
|
61
|
51
|
50
|
45
|
56
|
57
|
32
|
39
|
48
|
44
|
|
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