Air Quality
Excellent
No health implications.
16
PM2.5
31
PM10
105
O3
0.4
CO
10
SO2
25
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Apr
86
Good
Fri
4 Apr
65
Good
Sat
5 Apr
84
Good
Sun
6 Apr
90
Good
Mon
7 Apr
92
Good
Tue
8 Apr
81
Good
Wed
9 Apr
50
Excellent
Air quality in the last 12 months (Haicheng)
|
2025/02
|
164
|
219
|
63
|
54
|
66
|
61
|
55
|
58
|
80
|
69
|
75
|
55
|
86
|
107
|
114
|
56
|
39
|
40
|
56
|
52
|
59
|
53
|
49
|
61
|
76
|
79
|
125
|
158
|
|||
|
2025/01
|
71
|
80
|
80
|
82
|
175
|
135
|
84
|
58
|
58
|
108
|
153
|
199
|
110
|
93
|
45
|
78
|
68
|
86
|
103
|
152
|
75
|
105
|
131
|
162
|
142
|
233
|
72
|
98
|
292
|
134
|
152
|
|
2024/12
|
54
|
36
|
44
|
53
|
51
|
52
|
60
|
69
|
81
|
84
|
51
|
95
|
93
|
71
|
56
|
108
|
61
|
72
|
105
|
107
|
61
|
77
|
68
|
88
|
104
|
67
|
74
|
79
|
81
|
97
|
54
|
|
2024/11
|
110
|
98
|
68
|
34
|
39
|
68
|
62
|
62
|
56
|
57
|
56
|
69
|
67
|
54
|
76
|
38
|
31
|
33
|
56
|
107
|
66
|
51
|
111
|
67
|
52
|
32
|
33
|
45
|
63
|
78
|
|
|
2024/10
|
28
|
40
|
43
|
39
|
59
|
80
|
41
|
76
|
49
|
40
|
54
|
87
|
72
|
42
|
28
|
56
|
74
|
78
|
43
|
56
|
44
|
41
|
48
|
96
|
127
|
132
|
38
|
92
|
82
|
82
|
88
|
|
2024/09
|
29
|
25
|
56
|
37
|
21
|
35
|
72
|
63
|
42
|
29
|
43
|
57
|
54
|
20
|
36
|
56
|
78
|
65
|
68
|
26
|
18
|
41
|
61
|
37
|
46
|
50
|
70
|
66
|
54
|
23
|
|
|
2024/08
|
24
|
41
|
47
|
19
|
16
|
33
|
34
|
50
|
55
|
30
|
52
|
48
|
35
|
34
|
42
|
49
|
59
|
53
|
30
|
43
|
33
|
27
|
33
|
66
|
52
|
52
|
43
|
46
|
50
|
48
|
44
|
|
2024/07
|
60
|
76
|
27
|
61
|
73
|
31
|
38
|
51
|
54
|
58
|
69
|
69
|
52
|
75
|
53
|
18
|
25
|
44
|
43
|
24
|
37
|
24
|
31
|
32
|
26
|
17
|
12
|
14
|
35
|
37
|
23
|
|
2024/06
|
28
|
50
|
51
|
47
|
39
|
35
|
31
|
32
|
47
|
49
|
49
|
38
|
36
|
27
|
26
|
38
|
59
|
57
|
34
|
40
|
40
|
27
|
72
|
20
|
35
|
35
|
44
|
34
|
25
|
39
|
|
|
2024/05
|
51
|
57
|
55
|
36
|
39
|
52
|
56
|
70
|
92
|
74
|
86
|
43
|
61
|
75
|
64
|
77
|
60
|
52
|
40
|
42
|
74
|
40
|
40
|
40
|
56
|
23
|
21
|
53
|
53
|
45
|
30
|
|
2024/04
|
77
|
110
|
68
|
72
|
105
|
95
|
115
|
88
|
174
|
137
|
69
|
54
|
38
|
35
|
157
|
101
|
54
|
68
|
68
|
132
|
73
|
59
|
53
|
40
|
52
|
63
|
62
|
44
|
47
|
68
|
|
|
2024/03
|
54
|
66
|
86
|
114
|
82
|
80
|
120
|
67
|
95
|
81
|
120
|
98
|
98
|
144
|
118
|
149
|
126
|
85
|
62
|
41
|
66
|
39
|
86
|
54
|
52
|
74
|
75
|
230
|
103
|
68
|
84
|
|
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