Air Quality
Excellent
No health implications.
10
PM2.5
23
PM10
69
O3
0.6
CO
7
SO2
34
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Apr
58
Good
Tue
29 Apr
51
Good
Wed
30 Apr
48
Excellent
Thu
1 May
58
Good
Fri
2 May
52
Good
Sat
3 May
59
Good
Sun
4 May
31
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