Air Quality
Excellent
No health implications.
21
PM2.5
41
PM10
53
O3
0.5
CO
5
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 May
66
Good
Mon
26 May
69
Good
Tue
27 May
52
Good
Wed
28 May
48
Excellent
Thu
29 May
54
Good
Fri
30 May
57
Good
Sat
31 May
42
Excellent
Air quality in the last 12 months (Xiushan)
|
2025/04
|
34
|
41
|
45
|
53
|
54
|
53
|
51
|
55
|
49
|
44
|
46
|
49
|
127
|
83
|
64
|
59
|
55
|
54
|
29
|
28
|
32
|
31
|
35
|
27
|
35
|
32
|
23
|
26
|
31
|
18
|
|
|
2025/03
|
42
|
46
|
23
|
24
|
24
|
25
|
30
|
30
|
35
|
42
|
46
|
48
|
56
|
31
|
18
|
31
|
40
|
28
|
31
|
33
|
41
|
51
|
47
|
45
|
46
|
58
|
69
|
64
|
42
|
32
|
36
|
|
2025/02
|
33
|
23
|
39
|
41
|
53
|
55
|
45
|
70
|
48
|
45
|
45
|
66
|
57
|
36
|
39
|
42
|
33
|
30
|
32
|
39
|
80
|
37
|
47
|
81
|
51
|
37
|
40
|
44
|
|||
|
2025/01
|
93
|
105
|
103
|
116
|
90
|
67
|
54
|
53
|
44
|
56
|
64
|
61
|
66
|
66
|
68
|
66
|
74
|
87
|
76
|
84
|
98
|
135
|
147
|
89
|
22
|
28
|
41
|
69
|
138
|
80
|
51
|
|
2024/12
|
43
|
51
|
69
|
58
|
27
|
33
|
35
|
33
|
39
|
25
|
29
|
49
|
59
|
56
|
47
|
45
|
57
|
64
|
71
|
79
|
90
|
67
|
61
|
60
|
64
|
73
|
69
|
80
|
88
|
103
|
82
|
|
2024/11
|
45
|
45
|
49
|
46
|
48
|
45
|
41
|
38
|
37
|
30
|
29
|
46
|
52
|
48
|
66
|
54
|
14
|
12
|
11
|
13
|
16
|
17
|
35
|
23
|
15
|
15
|
20
|
24
|
27
|
35
|
|
|
2024/10
|
14
|
23
|
32
|
33
|
37
|
43
|
39
|
26
|
33
|
40
|
56
|
63
|
42
|
29
|
30
|
26
|
23
|
25
|
20
|
15
|
22
|
23
|
24
|
29
|
23
|
27
|
35
|
33
|
28
|
29
|
36
|
|
2024/09
|
24
|
27
|
33
|
32
|
41
|
36
|
37
|
32
|
22
|
24
|
24
|
27
|
22
|
18
|
30
|
32
|
25
|
20
|
24
|
26
|
27
|
19
|
24
|
27
|
31
|
35
|
37
|
41
|
52
|
38
|
|
|
2024/08
|
12
|
13
|
16
|
14
|
14
|
15
|
18
|
21
|
23
|
22
|
32
|
42
|
28
|
24
|
30
|
28
|
20
|
17
|
18
|
19
|
19
|
22
|
18
|
17
|
14
|
16
|
20
|
18
|
19
|
19
|
20
|
|
2024/07
|
16
|
17
|
16
|
14
|
18
|
15
|
14
|
17
|
18
|
19
|
17
|
22
|
25
|
19
|
17
|
18
|
17
|
16
|
13
|
15
|
17
|
17
|
15
|
13
|
15
|
22
|
20
|
19
|
13
|
14
|
13
|
|
2024/06
|
21
|
22
|
20
|
16
|
14
|
13
|
20
|
17
|
13
|
12
|
15
|
16
|
18
|
16
|
23
|
23
|
15
|
12
|
14
|
13
|
25
|
22
|
17
|
18
|
19
|
13
|
12
|
13
|
13
|
15
|
|
|
2024/05
|
16
|
17
|
11
|
11
|
18
|
23
|
26
|
33
|
34
|
34
|
22
|
23
|
22
|
28
|
31
|
46
|
46
|
29
|
12
|
15
|
21
|
28
|
25
|
25
|
24
|
27
|
14
|
27
|
18
|
12
|
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