Air Quality
Excellent
No health implications.
12
PM2.5
21
PM10
67
O3
1.2
CO
11
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Mar
76
Good
Thu
19 Mar
84
Good
Fri
20 Mar
96
Good
Sat
21 Mar
90
Good
Sun
22 Mar
82
Good
Mon
23 Mar
47
Excellent
Tue
24 Mar
35
Excellent
Air quality in the last 12 months (Haicheng)
|
2026/02
|
101
|
47
|
75
|
157
|
151
|
50
|
59
|
60
|
76
|
93
|
96
|
139
|
145
|
105
|
73
|
58
|
169
|
39
|
60
|
76
|
77
|
71
|
63
|
116
|
78
|
77
|
128
|
101
|
|||
|
2026/01
|
65
|
83
|
93
|
117
|
82
|
75
|
47
|
53
|
88
|
72
|
39
|
49
|
42
|
50
|
92
|
63
|
36
|
48
|
46
|
63
|
76
|
81
|
85
|
95
|
61
|
106
|
69
|
68
|
80
|
73
|
99
|
|
2025/12
|
49
|
36
|
38
|
55
|
61
|
133
|
90
|
44
|
90
|
194
|
41
|
78
|
134
|
136
|
67
|
97
|
97
|
62
|
83
|
43
|
44
|
50
|
45
|
71
|
42
|
58
|
94
|
115
|
42
|
59
|
37
|
|
2025/11
|
64
|
41
|
57
|
79
|
86
|
95
|
135
|
135
|
48
|
41
|
65
|
108
|
56
|
75
|
111
|
68
|
51
|
65
|
64
|
47
|
57
|
71
|
148
|
215
|
38
|
52
|
42
|
44
|
88
|
47
|
|
|
2025/10
|
69
|
57
|
65
|
49
|
56
|
48
|
47
|
40
|
49
|
68
|
107
|
63
|
81
|
83
|
115
|
53
|
80
|
24
|
35
|
37
|
54
|
69
|
74
|
90
|
116
|
64
|
54
|
64
|
70
|
54
|
77
|
|
2025/09
|
46
|
68
|
48
|
47
|
42
|
32
|
48
|
40
|
60
|
34
|
55
|
51
|
59
|
42
|
36
|
33
|
29
|
46
|
67
|
44
|
62
|
65
|
38
|
40
|
50
|
53
|
66
|
42
|
58
|
47
|
|
|
2025/08
|
33
|
24
|
32
|
22
|
36
|
26
|
33
|
36
|
24
|
35
|
35
|
33
|
25
|
41
|
28
|
18
|
32
|
25
|
29
|
17
|
24
|
24
|
36
|
27
|
23
|
23
|
49
|
21
|
34
|
38
|
44
|
|
2025/07
|
19
|
23
|
12
|
26
|
32
|
21
|
51
|
38
|
38
|
45
|
37
|
38
|
26
|
30
|
35
|
24
|
31
|
38
|
28
|
17
|
33
|
26
|
15
|
19
|
28
|
31
|
35
|
34
|
21
|
22
|
43
|
|
2025/06
|
64
|
66
|
37
|
22
|
52
|
56
|
27
|
43
|
50
|
19
|
48
|
33
|
24
|
30
|
38
|
21
|
31
|
43
|
33
|
25
|
30
|
39
|
52
|
49
|
58
|
43
|
40
|
39
|
34
|
12
|
|
|
2025/05
|
33
|
39
|
37
|
37
|
44
|
44
|
53
|
45
|
60
|
50
|
66
|
55
|
57
|
56
|
65
|
36
|
32
|
32
|
52
|
58
|
67
|
78
|
46
|
48
|
55
|
57
|
40
|
49
|
49
|
57
|
50
|
|
2025/04
|
88
|
80
|
72
|
56
|
48
|
67
|
74
|
69
|
74
|
68
|
55
|
33
|
27
|
27
|
55
|
57
|
87
|
37
|
60
|
44
|
59
|
33
|
62
|
55
|
53
|
71
|
47
|
53
|
65
|
63
|
|
|
2025/03
|
95
|
68
|
59
|
81
|
86
|
78
|
73
|
90
|
113
|
100
|
75
|
69
|
70
|
70
|
62
|
49
|
71
|
61
|
56
|
70
|
65
|
71
|
124
|
91
|
120
|
136
|
61
|
29
|
35
|
36
|
73
|
|
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