Air Quality
Excellent
No health implications.
9
PM2.5
18
PM10
82
O3
0.7
CO
2
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Jul
36
Excellent
Sat
12 Jul
40
Excellent
Sun
13 Jul
36
Excellent
Mon
14 Jul
43
Excellent
Tue
15 Jul
47
Excellent
Wed
16 Jul
46
Excellent
Thu
17 Jul
21
Excellent
Air quality in the last 12 months (Haicheng)
|
2025/06
|
26
|
29
|
19
|
33
|
17
|
15
|
18
|
23
|
19
|
24
|
21
|
18
|
14
|
16
|
23
|
20
|
20
|
25
|
20
|
21
|
25
|
23
|
22
|
16
|
15
|
21
|
13
|
13
|
16
|
13
|
|
|
2025/05
|
37
|
25
|
21
|
26
|
25
|
28
|
32
|
23
|
19
|
25
|
37
|
42
|
34
|
24
|
14
|
12
|
13
|
20
|
25
|
21
|
21
|
19
|
16
|
19
|
21
|
40
|
46
|
31
|
23
|
21
|
16
|
|
2025/04
|
36
|
48
|
47
|
34
|
67
|
59
|
60
|
43
|
37
|
39
|
39
|
57
|
172
|
203
|
130
|
113
|
94
|
69
|
45
|
32
|
31
|
26
|
32
|
48
|
27
|
30
|
20
|
29
|
38
|
36
|
|
|
2025/03
|
28
|
23
|
38
|
41
|
44
|
24
|
32
|
30
|
34
|
53
|
36
|
27
|
26
|
22
|
36
|
31
|
44
|
49
|
52
|
59
|
56
|
51
|
39
|
39
|
31
|
32
|
35
|
55
|
33
|
19
|
29
|
|
2025/02
|
36
|
56
|
21
|
33
|
64
|
73
|
22
|
41
|
68
|
78
|
84
|
45
|
60
|
36
|
45
|
42
|
62
|
49
|
56
|
38
|
77
|
85
|
32
|
39
|
126
|
55
|
57
|
36
|
|||
|
2025/01
|
117
|
93
|
105
|
79
|
100
|
120
|
87
|
99
|
97
|
53
|
58
|
61
|
67
|
69
|
57
|
79
|
79
|
76
|
109
|
142
|
113
|
76
|
62
|
45
|
52
|
29
|
45
|
71
|
163
|
54
|
44
|
|
2024/12
|
52
|
45
|
43
|
47
|
44
|
81
|
64
|
37
|
49
|
47
|
44
|
46
|
55
|
64
|
54
|
59
|
70
|
76
|
59
|
66
|
100
|
86
|
90
|
102
|
104
|
101
|
90
|
80
|
93
|
88
|
108
|
|
2024/11
|
51
|
52
|
62
|
50
|
69
|
72
|
68
|
56
|
68
|
64
|
49
|
55
|
56
|
50
|
41
|
31
|
38
|
41
|
37
|
38
|
37
|
46
|
47
|
52
|
38
|
33
|
45
|
43
|
44
|
50
|
|
|
2024/10
|
37
|
29
|
46
|
55
|
50
|
53
|
57
|
62
|
48
|
48
|
52
|
44
|
39
|
35
|
31
|
30
|
21
|
16
|
24
|
32
|
40
|
43
|
28
|
35
|
40
|
49
|
38
|
29
|
39
|
49
|
61
|
|
2024/09
|
20
|
16
|
20
|
32
|
44
|
36
|
15
|
27
|
25
|
16
|
27
|
36
|
37
|
38
|
40
|
28
|
26
|
24
|
29
|
28
|
26
|
19
|
27
|
31
|
36
|
41
|
36
|
14
|
17
|
19
|
|
|
2024/08
|
27
|
24
|
22
|
15
|
16
|
14
|
17
|
18
|
22
|
22
|
19
|
21
|
19
|
19
|
17
|
25
|
22
|
14
|
15
|
17
|
20
|
20
|
21
|
14
|
19
|
15
|
15
|
18
|
15
|
31
|
24
|
|
2024/07
|
25
|
23
|
19
|
15
|
11
|
13
|
15
|
16
|
12
|
15
|
15
|
15
|
15
|
16
|
21
|
18
|
12
|
13
|
15
|
14
|
17
|
17
|
17
|
15
|
14
|
28
|
20
|
19
|
16
|
9
|
18
|
|
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