Air Quality
Excellent
No health implications.
12
PM2.5
27
PM10
59
O3
0.6
CO
11
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Apr
57
Good
Wed
30 Apr
50
Excellent
Thu
1 May
55
Good
Fri
2 May
56
Good
Sat
3 May
58
Good
Sun
4 May
31
Excellent
Mon
5 May
33
Excellent
Air quality in the last 12 months (Xiashan)
|
2025/02
|
28
|
23
|
35
|
24
|
41
|
48
|
49
|
38
|
55
|
46
|
37
|
43
|
57
|
28
|
27
|
30
|
71
|
52
|
43
|
34
|
29
|
50
|
60
|
21
|
55
|
68
|
63
|
34
|
|||
|
2025/01
|
103
|
85
|
89
|
65
|
81
|
85
|
57
|
59
|
86
|
67
|
46
|
42
|
46
|
65
|
53
|
71
|
59
|
57
|
78
|
69
|
66
|
48
|
48
|
41
|
31
|
26
|
39
|
47
|
102
|
49
|
41
|
|
2024/12
|
47
|
45
|
43
|
43
|
39
|
66
|
73
|
36
|
46
|
55
|
45
|
50
|
48
|
53
|
60
|
45
|
53
|
57
|
48
|
53
|
70
|
64
|
70
|
70
|
75
|
75
|
87
|
76
|
82
|
61
|
82
|
|
2024/11
|
49
|
45
|
57
|
44
|
49
|
57
|
58
|
51
|
60
|
61
|
46
|
61
|
79
|
77
|
66
|
48
|
27
|
32
|
35
|
23
|
25
|
32
|
35
|
45
|
27
|
30
|
38
|
43
|
40
|
38
|
|
|
2024/10
|
44
|
26
|
43
|
46
|
45
|
49
|
47
|
64
|
62
|
55
|
45
|
36
|
34
|
29
|
27
|
25
|
24
|
16
|
21
|
29
|
37
|
49
|
22
|
34
|
38
|
42
|
37
|
25
|
28
|
33
|
47
|
|
2024/09
|
14
|
19
|
39
|
41
|
40
|
18
|
28
|
34
|
24
|
16
|
14
|
28
|
29
|
38
|
35
|
35
|
25
|
21
|
26
|
23
|
27
|
15
|
15
|
16
|
34
|
43
|
39
|
37
|
28
|
28
|
|
|
2024/08
|
23
|
22
|
21
|
28
|
27
|
27
|
36
|
32
|
27
|
28
|
28
|
28
|
19
|
22
|
27
|
21
|
18
|
17
|
18
|
20
|
23
|
24
|
21
|
30
|
17
|
27
|
23
|
26
|
24
|
22
|
13
|
|
2024/07
|
27
|
23
|
20
|
17
|
10
|
10
|
10
|
17
|
12
|
14
|
18
|
16
|
12
|
16
|
18
|
13
|
14
|
14
|
15
|
15
|
13
|
16
|
17
|
18
|
18
|
25
|
21
|
18
|
17
|
19
|
17
|
|
2024/06
|
24
|
28
|
20
|
17
|
12
|
14
|
17
|
13
|
21
|
18
|
22
|
26
|
25
|
28
|
28
|
31
|
31
|
29
|
27
|
27
|
18
|
12
|
11
|
12
|
17
|
16
|
13
|
14
|
17
|
26
|
|
|
2024/05
|
24
|
22
|
16
|
19
|
24
|
26
|
25
|
21
|
38
|
39
|
33
|
24
|
28
|
31
|
28
|
32
|
45
|
30
|
25
|
20
|
20
|
23
|
13
|
13
|
15
|
15
|
26
|
21
|
29
|
25
|
24
|
|
2024/04
|
37
|
37
|
35
|
44
|
26
|
36
|
34
|
37
|
27
|
34
|
42
|
32
|
33
|
34
|
31
|
29
|
29
|
29
|
33
|
39
|
26
|
20
|
36
|
28
|
32
|
44
|
44
|
42
|
31
|
42
|
|
|
2024/03
|
26
|
48
|
60
|
30
|
45
|
49
|
53
|
48
|
44
|
28
|
27
|
31
|
32
|
51
|
63
|
53
|
37
|
28
|
26
|
40
|
53
|
49
|
40
|
39
|
37
|
35
|
29
|
39
|
29
|
27
|
37
|
|
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