Air Quality
Excellent
No health implications.
11
PM2.5
19
PM10
96
O3
0.4
CO
6
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 May
96
Good
Mon
19 May
115
Light
Tue
20 May
118
Light
Wed
21 May
93
Good
Thu
22 May
71
Good
Fri
23 May
67
Good
Sat
24 May
16
Excellent
Air quality in the last 12 months (Haiyang)
|
2025/02
|
52
|
67
|
45
|
28
|
31
|
48
|
41
|
30
|
36
|
62
|
38
|
45
|
60
|
74
|
98
|
89
|
35
|
30
|
39
|
52
|
44
|
28
|
45
|
40
|
67
|
89
|
104
|
85
|
|||
|
2025/01
|
87
|
67
|
61
|
72
|
117
|
51
|
38
|
31
|
21
|
30
|
54
|
74
|
91
|
71
|
32
|
55
|
50
|
86
|
121
|
58
|
98
|
79
|
41
|
46
|
76
|
80
|
56
|
29
|
62
|
55
|
40
|
|
2024/12
|
69
|
58
|
30
|
50
|
90
|
60
|
30
|
36
|
70
|
89
|
32
|
38
|
54
|
41
|
49
|
51
|
55
|
26
|
38
|
82
|
40
|
39
|
56
|
36
|
103
|
49
|
45
|
50
|
71
|
86
|
65
|
|
2024/11
|
64
|
77
|
44
|
45
|
27
|
51
|
45
|
38
|
52
|
58
|
67
|
81
|
43
|
27
|
32
|
48
|
31
|
21
|
37
|
65
|
81
|
25
|
32
|
38
|
37
|
31
|
31
|
41
|
38
|
55
|
|
|
2024/10
|
17
|
17
|
27
|
22
|
22
|
29
|
37
|
40
|
39
|
65
|
51
|
55
|
38
|
13
|
49
|
28
|
25
|
17
|
43
|
32
|
19
|
24
|
34
|
55
|
53
|
53
|
54
|
24
|
49
|
79
|
67
|
|
2024/09
|
41
|
21
|
27
|
27
|
22
|
25
|
32
|
49
|
21
|
20
|
24
|
15
|
21
|
26
|
24
|
32
|
26
|
21
|
24
|
22
|
24
|
19
|
28
|
22
|
33
|
40
|
33
|
29
|
24
|
21
|
|
|
2024/08
|
27
|
25
|
24
|
30
|
16
|
15
|
18
|
22
|
19
|
27
|
73
|
71
|
53
|
27
|
36
|
39
|
36
|
22
|
11
|
11
|
14
|
30
|
48
|
37
|
46
|
29
|
17
|
24
|
30
|
42
|
49
|
|
2024/07
|
32
|
15
|
25
|
29
|
17
|
18
|
24
|
29
|
34
|
52
|
57
|
64
|
56
|
33
|
28
|
13
|
17
|
35
|
36
|
12
|
22
|
16
|
14
|
18
|
14
|
16
|
22
|
27
|
27
|
30
|
29
|
|
2024/06
|
35
|
45
|
38
|
29
|
20
|
21
|
15
|
34
|
60
|
64
|
50
|
15
|
22
|
18
|
20
|
27
|
21
|
27
|
18
|
13
|
8
|
15
|
51
|
49
|
32
|
25
|
16
|
16
|
13
|
30
|
|
|
2024/05
|
45
|
49
|
39
|
25
|
14
|
43
|
63
|
58
|
54
|
40
|
107
|
50
|
52
|
82
|
42
|
50
|
58
|
48
|
29
|
32
|
25
|
23
|
33
|
23
|
19
|
27
|
31
|
32
|
32
|
21
|
34
|
|
2024/04
|
55
|
23
|
42
|
51
|
53
|
62
|
60
|
69
|
62
|
57
|
52
|
29
|
15
|
22
|
48
|
114
|
77
|
88
|
91
|
49
|
41
|
30
|
29
|
26
|
54
|
39
|
18
|
23
|
52
|
38
|
|
|
2024/03
|
45
|
71
|
97
|
89
|
62
|
48
|
61
|
80
|
37
|
43
|
53
|
66
|
67
|
79
|
67
|
47
|
107
|
64
|
102
|
35
|
58
|
84
|
65
|
56
|
49
|
59
|
59
|
167
|
145
|
113
|
60
|
|
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