Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
54
*
PM2.5
75
PM10
110
O3
0.8
CO
10
SO2
34
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
27 Apr
75
Good
Sun
28 Apr
62
Good
Mon
29 Apr
61
Good
Tue
30 Apr
62
Good
Wed
1 May
80
Good
Thu
2 May
63
Good
Air quality in the last 12 months (Haicheng)
|
2024/02
|
62
|
104
|
127
|
116
|
84
|
80
|
127
|
113
|
137
|
319
|
79
|
91
|
102
|
73
|
72
|
68
|
51
|
35
|
40
|
49
|
49
|
48
|
68
|
142
|
119
|
73
|
101
|
122
|
88
|
||
|
2024/01
|
100
|
142
|
133
|
74
|
67
|
61
|
41
|
53
|
56
|
78
|
71
|
73
|
71
|
58
|
78
|
82
|
71
|
50
|
71
|
65
|
46
|
34
|
64
|
66
|
82
|
102
|
85
|
120
|
118
|
137
|
73
|
|
2023/12
|
60
|
47
|
62
|
106
|
129
|
71
|
92
|
101
|
42
|
43
|
57
|
67
|
97
|
75
|
56
|
37
|
53
|
56
|
73
|
41
|
76
|
84
|
136
|
147
|
132
|
86
|
158
|
70
|
93
|
112
|
67
|
|
2023/11
|
68
|
100
|
44
|
94
|
130
|
44
|
59
|
39
|
46
|
32
|
43
|
48
|
61
|
76
|
97
|
65
|
47
|
59
|
53
|
50
|
66
|
75
|
27
|
27
|
48
|
63
|
105
|
48
|
44
|
46
|
|
|
2023/10
|
49
|
52
|
54
|
41
|
45
|
50
|
70
|
48
|
47
|
67
|
78
|
81
|
48
|
70
|
56
|
51
|
61
|
50
|
42
|
31
|
40
|
42
|
88
|
85
|
97
|
44
|
72
|
108
|
79
|
70
|
89
|
|
2023/09
|
43
|
53
|
47
|
60
|
83
|
51
|
57
|
53
|
65
|
60
|
46
|
47
|
58
|
67
|
55
|
47
|
65
|
57
|
45
|
48
|
57
|
53
|
62
|
67
|
36
|
40
|
85
|
56
|
53
|
49
|
|
|
2023/08
|
45
|
37
|
45
|
48
|
31
|
18
|
30
|
39
|
40
|
32
|
26
|
49
|
31
|
43
|
43
|
56
|
56
|
53
|
70
|
66
|
28
|
38
|
53
|
53
|
36
|
35
|
50
|
53
|
26
|
45
|
47
|
|
2023/07
|
70
|
66
|
33
|
36
|
52
|
66
|
49
|
36
|
37
|
57
|
49
|
77
|
58
|
41
|
30
|
22
|
40
|
49
|
72
|
73
|
84
|
53
|
31
|
53
|
43
|
47
|
29
|
26
|
21
|
23
|
39
|
|
2023/06
|
56
|
47
|
43
|
53
|
65
|
52
|
51
|
56
|
43
|
54
|
58
|
48
|
71
|
71
|
64
|
51
|
63
|
60
|
73
|
38
|
49
|
75
|
73
|
41
|
44
|
62
|
61
|
45
|
52
|
51
|
|
|
2023/05
|
45
|
53
|
53
|
44
|
58
|
46
|
47
|
62
|
53
|
52
|
70
|
68
|
53
|
46
|
55
|
69
|
60
|
75
|
67
|
131
|
137
|
79
|
51
|
60
|
56
|
61
|
47
|
59
|
58
|
64
|
58
|
|
2023/04
|
83
|
79
|
78
|
121
|
256
|
57
|
40
|
48
|
69
|
77
|
236
|
217
|
316
|
141
|
166
|
105
|
84
|
66
|
72
|
79
|
81
|
76
|
62
|
59
|
49
|
31
|
50
|
48
|
47
|
39
|
|
|
2023/03
|
57
|
59
|
103
|
160
|
97
|
100
|
87
|
88
|
105
|
81
|
87
|
48
|
53
|
68
|
75
|
52
|
49
|
72
|
74
|
105
|
72
|
205
|
245
|
65
|
58
|
59
|
82
|
82
|
93
|
113
|
91
|
|
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