Air Quality
Excellent
No health implications.
14
PM2.5
24
PM10
38
O3
0.6
CO
10
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 May
48
Excellent
Fri
3 May
50
Excellent
Sat
4 May
49
Excellent
Sun
5 May
44
Excellent
Mon
6 May
64
Good
Tue
7 May
58
Good
Wed
8 May
59
Good
Air quality in the last 12 months (Yangshan)
|
2024/02
|
48
|
32
|
30
|
17
|
25
|
16
|
14
|
27
|
56
|
83
|
59
|
52
|
47
|
51
|
44
|
27
|
50
|
32
|
37
|
36
|
38
|
15
|
11
|
14
|
17
|
13
|
18
|
17
|
15
|
||
|
2024/01
|
105
|
69
|
31
|
47
|
62
|
73
|
59
|
52
|
35
|
39
|
62
|
52
|
63
|
76
|
89
|
91
|
84
|
53
|
48
|
19
|
23
|
15
|
38
|
46
|
54
|
51
|
42
|
54
|
55
|
67
|
58
|
|
2023/12
|
60
|
54
|
44
|
25
|
28
|
39
|
46
|
51
|
76
|
64
|
48
|
20
|
45
|
50
|
53
|
19
|
26
|
21
|
14
|
44
|
38
|
63
|
53
|
47
|
52
|
57
|
59
|
58
|
63
|
92
|
89
|
|
2023/11
|
43
|
53
|
66
|
66
|
56
|
28
|
26
|
50
|
56
|
32
|
17
|
12
|
14
|
24
|
34
|
30
|
49
|
55
|
55
|
50
|
57
|
66
|
65
|
58
|
69
|
76
|
71
|
57
|
67
|
62
|
|
|
2023/10
|
43
|
35
|
42
|
40
|
27
|
31
|
25
|
18
|
16
|
13
|
22
|
36
|
47
|
58
|
47
|
45
|
49
|
42
|
35
|
19
|
22
|
31
|
37
|
37
|
35
|
59
|
38
|
29
|
41
|
45
|
43
|
|
2023/09
|
29
|
28
|
32
|
27
|
42
|
25
|
18
|
21
|
23
|
18
|
18
|
22
|
24
|
15
|
14
|
25
|
25
|
32
|
30
|
34
|
39
|
32
|
41
|
36
|
40
|
43
|
42
|
43
|
39
|
42
|
|
|
2023/08
|
26
|
35
|
45
|
45
|
31
|
28
|
34
|
35
|
35
|
32
|
24
|
37
|
36
|
33
|
32
|
38
|
42
|
39
|
46
|
37
|
27
|
28
|
32
|
32
|
23
|
33
|
24
|
22
|
19
|
26
|
30
|
|
2023/07
|
31
|
27
|
21
|
21
|
27
|
26
|
23
|
28
|
28
|
30
|
35
|
32
|
31
|
38
|
41
|
39
|
23
|
19
|
22
|
23
|
28
|
39
|
37
|
38
|
39
|
39
|
29
|
28
|
35
|
23
|
26
|
|
2023/06
|
46
|
44
|
47
|
36
|
28
|
28
|
24
|
22
|
26
|
22
|
36
|
49
|
47
|
32
|
40
|
34
|
19
|
18
|
25
|
28
|
28
|
26
|
16
|
17
|
21
|
22
|
33
|
25
|
27
|
34
|
|
|
2023/05
|
56
|
51
|
40
|
32
|
38
|
31
|
16
|
26
|
45
|
56
|
23
|
22
|
40
|
43
|
52
|
54
|
34
|
44
|
46
|
40
|
39
|
33
|
25
|
34
|
48
|
34
|
33
|
40
|
50
|
44
|
44
|
|
2023/04
|
36
|
29
|
26
|
26
|
24
|
21
|
28
|
64
|
63
|
63
|
54
|
49
|
54
|
54
|
42
|
54
|
56
|
50
|
37
|
36
|
39
|
30
|
27
|
13
|
14
|
25
|
43
|
56
|
41
|
58
|
|
|
2023/03
|
71
|
69
|
82
|
62
|
50
|
64
|
61
|
61
|
56
|
58
|
57
|
70
|
86
|
80
|
69
|
73
|
55
|
46
|
53
|
59
|
41
|
52
|
45
|
17
|
12
|
23
|
19
|
28
|
17
|
24
|
33
|
|
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