Air Quality
Excellent
No health implications.
10
PM2.5
12
PM10
31
O3
1.0
CO
5
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Jan
37
Excellent
Fri
23 Jan
74
Good
Sat
24 Jan
93
Good
Sun
25 Jan
78
Good
Mon
26 Jan
71
Good
Tue
27 Jan
72
Good
Wed
28 Jan
43
Excellent
Air quality in the last 12 months (Haicheng)
|
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
|
|
2025/02
|
36
|
56
|
21
|
33
|
64
|
73
|
22
|
41
|
68
|
78
|
84
|
45
|
60
|
36
|
45
|
42
|
62
|
49
|
56
|
38
|
77
|
85
|
32
|
39
|
126
|
55
|
57
|
36
|
|||
|
2025/01
|
117
|
93
|
105
|
79
|
100
|
120
|
87
|
99
|
97
|
53
|
58
|
61
|
67
|
69
|
57
|
79
|
79
|
76
|
109
|
142
|
113
|
76
|
62
|
45
|
52
|
29
|
45
|
71
|
163
|
54
|
44
|
|
2024/12
|
52
|
45
|
43
|
47
|
44
|
81
|
64
|
37
|
49
|
47
|
44
|
46
|
55
|
64
|
54
|
59
|
70
|
76
|
59
|
66
|
100
|
86
|
90
|
102
|
104
|
101
|
90
|
80
|
93
|
88
|
108
|
|
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