Air Quality
Excellent
No health implications.
6
PM2.5
12
PM10
48
O3
0.5
CO
7
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 May
49
Excellent
Fri
22 May
50
Excellent
Sat
23 May
56
Good
Sun
24 May
68
Good
Mon
25 May
55
Good
Tue
26 May
52
Good
Wed
27 May
18
Excellent
Air quality in the last 12 months (Yangshan)
|
2026/04
|
28
|
36
|
36
|
25
|
45
|
54
|
40
|
38
|
40
|
42
|
47
|
42
|
37
|
36
|
31
|
38
|
21
|
28
|
37
|
51
|
37
|
22
|
19
|
28
|
38
|
54
|
60
|
38
|
28
|
26
|
|
|
2026/03
|
17
|
17
|
13
|
21
|
30
|
30
|
41
|
56
|
23
|
24
|
34
|
36
|
49
|
51
|
65
|
67
|
51
|
43
|
32
|
40
|
22
|
55
|
62
|
51
|
44
|
64
|
47
|
33
|
36
|
28
|
30
|
|
2026/02
|
30
|
37
|
51
|
65
|
69
|
66
|
37
|
35
|
52
|
65
|
32
|
37
|
58
|
51
|
33
|
30
|
33
|
38
|
51
|
38
|
58
|
57
|
48
|
39
|
24
|
39
|
19
|
21
|
|||
|
2026/01
|
41
|
23
|
43
|
53
|
31
|
47
|
44
|
42
|
41
|
49
|
46
|
52
|
60
|
67
|
64
|
78
|
91
|
87
|
81
|
31
|
22
|
24
|
43
|
55
|
66
|
72
|
45
|
52
|
54
|
58
|
19
|
|
2025/12
|
58
|
62
|
83
|
74
|
68
|
72
|
69
|
65
|
69
|
70
|
68
|
66
|
23
|
27
|
43
|
46
|
46
|
56
|
58
|
50
|
79
|
98
|
78
|
29
|
28
|
42
|
47
|
50
|
53
|
56
|
66
|
|
2025/11
|
34
|
32
|
15
|
9
|
14
|
24
|
36
|
25
|
10
|
9
|
12
|
30
|
26
|
34
|
40
|
42
|
51
|
21
|
25
|
30
|
37
|
41
|
51
|
52
|
41
|
54
|
54
|
58
|
55
|
58
|
|
|
2025/10
|
43
|
28
|
26
|
32
|
19
|
14
|
25
|
34
|
31
|
43
|
45
|
32
|
29
|
28
|
40
|
36
|
40
|
33
|
14
|
11
|
11
|
14
|
24
|
35
|
39
|
53
|
52
|
55
|
61
|
65
|
37
|
|
2025/09
|
26
|
31
|
31
|
32
|
37
|
38
|
34
|
15
|
14
|
18
|
25
|
21
|
30
|
32
|
32
|
19
|
24
|
29
|
28
|
17
|
15
|
20
|
16
|
10
|
12
|
22
|
28
|
35
|
33
|
35
|
|
|
2025/08
|
26
|
20
|
19
|
21
|
13
|
15
|
21
|
24
|
39
|
33
|
34
|
36
|
34
|
26
|
10
|
21
|
25
|
14
|
13
|
17
|
22
|
25
|
32
|
21
|
20
|
22
|
26
|
24
|
27
|
22
|
25
|
|
2025/07
|
13
|
20
|
22
|
35
|
45
|
38
|
37
|
37
|
36
|
23
|
17
|
20
|
25
|
29
|
32
|
36
|
42
|
30
|
26
|
14
|
13
|
11
|
16
|
24
|
25
|
34
|
34
|
24
|
26
|
29
|
20
|
|
2025/06
|
34
|
26
|
20
|
35
|
40
|
40
|
34
|
26
|
30
|
29
|
21
|
19
|
21
|
14
|
13
|
23
|
11
|
11
|
18
|
17
|
16
|
22
|
26
|
27
|
32
|
20
|
14
|
16
|
20
|
18
|
|
|
2025/05
|
41
|
51
|
45
|
31
|
27
|
25
|
34
|
27
|
20
|
43
|
35
|
38
|
50
|
48
|
39
|
25
|
20
|
13
|
22
|
23
|
26
|
25
|
25
|
28
|
49
|
44
|
44
|
46
|
16
|
21
|
25
|
|
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