Air Quality
Excellent
No health implications.
12
PM2.5
28
PM10
42
O3
0.5
CO
7
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Mar
60
Good
Mon
23 Mar
55
Good
Tue
24 Mar
60
Good
Wed
25 Mar
62
Good
Thu
26 Mar
59
Good
Fri
27 Mar
17
Excellent
Sat
28 Mar
15
Excellent
Haicheng Air quality rank
Air quality in the last 12 months (Haicheng)
|
2026/02
|
37
|
54
|
57
|
39
|
39
|
37
|
63
|
34
|
43
|
42
|
40
|
37
|
41
|
42
|
34
|
32
|
111
|
59
|
61
|
33
|
38
|
32
|
29
|
34
|
53
|
32
|
29
|
24
|
|||
|
2026/01
|
51
|
34
|
40
|
45
|
52
|
36
|
50
|
62
|
56
|
82
|
77
|
52
|
76
|
87
|
56
|
54
|
65
|
83
|
41
|
47
|
52
|
32
|
55
|
77
|
69
|
45
|
56
|
50
|
45
|
36
|
36
|
|
2025/12
|
70
|
47
|
62
|
74
|
78
|
84
|
66
|
74
|
75
|
75
|
66
|
45
|
37
|
44
|
53
|
46
|
55
|
55
|
47
|
43
|
63
|
53
|
37
|
30
|
25
|
40
|
55
|
68
|
73
|
67
|
65
|
|
2025/11
|
38
|
41
|
28
|
13
|
17
|
33
|
30
|
23
|
31
|
26
|
21
|
24
|
38
|
44
|
48
|
56
|
62
|
38
|
27
|
32
|
42
|
53
|
65
|
60
|
45
|
60
|
52
|
65
|
67
|
66
|
|
|
2025/10
|
16
|
15
|
19
|
19
|
29
|
18
|
18
|
28
|
33
|
35
|
35
|
24
|
21
|
16
|
16
|
28
|
29
|
35
|
36
|
27
|
22
|
21
|
29
|
40
|
46
|
52
|
52
|
49
|
55
|
62
|
40
|
|
2025/09
|
26
|
17
|
14
|
13
|
14
|
14
|
25
|
27
|
18
|
14
|
16
|
14
|
14
|
16
|
18
|
18
|
17
|
20
|
21
|
33
|
35
|
18
|
26
|
21
|
12
|
16
|
27
|
17
|
16
|
19
|
|
|
2025/08
|
16
|
21
|
33
|
42
|
25
|
18
|
22
|
31
|
23
|
25
|
21
|
17
|
18
|
18
|
17
|
19
|
19
|
15
|
18
|
18
|
23
|
20
|
14
|
22
|
13
|
17
|
17
|
32
|
21
|
18
|
16
|
|
2025/07
|
16
|
15
|
20
|
26
|
23
|
20
|
14
|
18
|
26
|
25
|
20
|
22
|
17
|
17
|
19
|
24
|
16
|
17
|
21
|
21
|
18
|
15
|
20
|
17
|
22
|
17
|
21
|
14
|
20
|
20
|
21
|
|
2025/06
|
26
|
29
|
19
|
33
|
17
|
15
|
18
|
23
|
19
|
24
|
21
|
18
|
14
|
16
|
23
|
20
|
20
|
25
|
20
|
21
|
25
|
23
|
22
|
16
|
15
|
21
|
13
|
13
|
16
|
13
|
|
|
2025/05
|
37
|
25
|
21
|
26
|
25
|
28
|
32
|
23
|
19
|
25
|
37
|
42
|
34
|
24
|
14
|
12
|
13
|
20
|
25
|
21
|
21
|
19
|
16
|
19
|
21
|
40
|
46
|
31
|
23
|
21
|
16
|
|
2025/04
|
36
|
48
|
47
|
34
|
67
|
59
|
60
|
43
|
37
|
39
|
39
|
57
|
172
|
203
|
130
|
113
|
94
|
69
|
45
|
32
|
31
|
26
|
32
|
48
|
27
|
30
|
20
|
29
|
38
|
36
|
|
|
2025/03
|
28
|
23
|
38
|
41
|
44
|
24
|
32
|
30
|
34
|
53
|
36
|
27
|
26
|
22
|
36
|
31
|
44
|
49
|
52
|
59
|
56
|
51
|
39
|
39
|
31
|
32
|
35
|
55
|
33
|
19
|
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