Air Quality
Excellent
No health implications.
4
PM2.5
9
PM10
28
O3
0.9
CO
7
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Apr
40
Excellent
Fri
24 Apr
40
Excellent
Sat
25 Apr
70
Good
Sun
26 Apr
50
Excellent
Mon
27 Apr
40
Excellent
Tue
28 Apr
35
Excellent
Wed
29 Apr
43
Excellent
Air quality in the last 12 months (Haicheng)
|
2026/03
|
22
|
32
|
22
|
24
|
24
|
34
|
40
|
47
|
44
|
20
|
35
|
58
|
51
|
47
|
41
|
41
|
30
|
27
|
31
|
24
|
41
|
26
|
29
|
28
|
25
|
24
|
28
|
36
|
32
|
36
|
39
|
|
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
|
|
|
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