Air Quality
Excellent
No health implications.
17
PM2.5
43
PM10
70
O3
0.4
CO
14
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 May
93
Good
Tue
6 May
57
Good
Wed
7 May
73
Good
Thu
8 May
72
Good
Fri
9 May
69
Good
Sat
10 May
19
Excellent
Sun
11 May
25
Excellent
Air quality in the last 12 months (Xinghai)
|
2025/02
|
33
|
50
|
34
|
35
|
44
|
50
|
46
|
43
|
40
|
35
|
44
|
42
|
42
|
36
|
33
|
33
|
25
|
39
|
41
|
44
|
34
|
46
|
50
|
48
|
41
|
28
|
37
|
36
|
|||
|
2025/01
|
31
|
33
|
31
|
36
|
30
|
33
|
47
|
45
|
34
|
59
|
37
|
23
|
26
|
39
|
26
|
26
|
43
|
51
|
36
|
37
|
45
|
44
|
48
|
53
|
105
|
56
|
31
|
35
|
51
|
36
|
31
|
|
2024/12
|
30
|
33
|
25
|
32
|
35
|
23
|
34
|
40
|
34
|
44
|
46
|
47
|
43
|
39
|
31
|
30
|
37
|
47
|
41
|
34
|
40
|
35
|
31
|
43
|
41
|
44
|
38
|
31
|
33
|
32
|
29
|
|
2024/11
|
28
|
31
|
30
|
33
|
36
|
29
|
34
|
36
|
39
|
53
|
48
|
45
|
37
|
37
|
41
|
44
|
36
|
31
|
30
|
29
|
32
|
26
|
28
|
44
|
56
|
33
|
23
|
21
|
36
|
31
|
|
|
2024/10
|
30
|
28
|
25
|
32
|
26
|
25
|
26
|
26
|
23
|
21
|
26
|
24
|
29
|
26
|
31
|
19
|
25
|
24
|
27
|
42
|
60
|
40
|
31
|
34
|
30
|
29
|
26
|
33
|
33
|
36
|
29
|
|
2024/09
|
23
|
19
|
18
|
22
|
18
|
18
|
22
|
22
|
21
|
16
|
16
|
31
|
18
|
15
|
16
|
17
|
13
|
18
|
26
|
14
|
14
|
20
|
26
|
24
|
34
|
30
|
27
|
24
|
34
|
30
|
|
|
2024/08
|
33
|
28
|
24
|
31
|
28
|
31
|
54
|
23
|
30
|
20
|
19
|
25
|
32
|
17
|
29
|
35
|
23
|
24
|
27
|
30
|
32
|
46
|
35
|
22
|
25
|
17
|
22
|
29
|
22
|
23
|
25
|
|
2024/07
|
18
|
21
|
23
|
24
|
33
|
30
|
27
|
28
|
26
|
24
|
24
|
25
|
16
|
17
|
22
|
21
|
18
|
33
|
21
|
45
|
69
|
63
|
22
|
38
|
49
|
31
|
29
|
18
|
27
|
25
|
27
|
|
2024/06
|
24
|
19
|
22
|
25
|
29
|
19
|
21
|
12
|
14
|
18
|
16
|
19
|
15
|
16
|
18
|
15
|
17
|
19
|
24
|
20
|
13
|
14
|
17
|
15
|
28
|
23
|
25
|
19
|
26
|
18
|
|
|
2024/05
|
26
|
26
|
25
|
46
|
42
|
44
|
41
|
28
|
39
|
27
|
16
|
22
|
33
|
28
|
42
|
31
|
41
|
24
|
35
|
35
|
26
|
27
|
45
|
34
|
23
|
27
|
26
|
26
|
20
|
15
|
20
|
|
2024/04
|
40
|
90
|
70
|
52
|
33
|
23
|
27
|
34
|
32
|
42
|
37
|
26
|
52
|
42
|
87
|
86
|
56
|
45
|
54
|
54
|
44
|
44
|
33
|
36
|
29
|
63
|
48
|
44
|
47
|
30
|
|
|
2024/03
|
60
|
48
|
41
|
63
|
83
|
66
|
38
|
34
|
37
|
53
|
31
|
30
|
36
|
32
|
63
|
98
|
83
|
82
|
57
|
42
|
30
|
33
|
62
|
34
|
26
|
28
|
39
|
30
|
35
|
32
|
29
|
|
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