Air Quality
Excellent
No health implications.
9
PM2.5
38
PM10
77
O3
0.9
CO
13
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 May
77
Good
Sun
3 May
51
Good
Mon
4 May
69
Good
Tue
5 May
87
Good
Wed
6 May
83
Good
Thu
7 May
71
Good
Fri
8 May
38
Excellent
Air quality in the last 12 months (Haicheng)
|
2026/03
|
171
|
227
|
315
|
130
|
57
|
36
|
73
|
78
|
46
|
65
|
96
|
105
|
87
|
144
|
271
|
173
|
125
|
46
|
59
|
73
|
107
|
122
|
142
|
108
|
139
|
196
|
67
|
88
|
69
|
37
|
68
|
|
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
|
|
|
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