Air Quality
Excellent
No health implications.
10
PM2.5
26
PM10
59
O3
2.0
CO
19
SO2
41
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Jul
77
Good
Tue
15 Jul
59
Good
Wed
16 Jul
51
Good
Thu
17 Jul
53
Good
Fri
18 Jul
82
Good
Sat
19 Jul
78
Good
Sun
20 Jul
22
Excellent
Air quality in the last 12 months (Haicheng)
|
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
|
|
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
|
|
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