Air Quality
Excellent
No health implications.
17
PM2.5
37
PM10
21
O3
0.6
CO
14
SO2
40
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Nov
42
Excellent
Sat
23 Nov
80
Good
Sun
24 Nov
73
Good
Mon
25 Nov
53
Good
Tue
26 Nov
46
Excellent
Wed
27 Nov
45
Excellent
Thu
28 Nov
45
Excellent
Air quality in the last 12 months (Haicheng)
|
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
|
|
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
|
|
|
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