Air Quality
Excellent
No health implications.
15
PM2.5
35
PM10
139
O3
0.6
CO
7
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Apr
53
Good
Tue
29 Apr
69
Good
Wed
30 Apr
71
Good
Thu
1 May
78
Good
Fri
2 May
80
Good
Sat
3 May
78
Good
Sun
4 May
16
Excellent
Air quality in the last 12 months (Xiapu)
|
2025/02
|
32
|
16
|
25
|
63
|
53
|
46
|
37
|
48
|
34
|
40
|
43
|
55
|
92
|
74
|
56
|
66
|
71
|
37
|
40
|
22
|
16
|
35
|
20
|
74
|
87
|
57
|
63
|
45
|
|||
|
2025/01
|
77
|
44
|
44
|
42
|
36
|
52
|
67
|
61
|
57
|
43
|
38
|
43
|
45
|
49
|
74
|
50
|
53
|
47
|
41
|
52
|
89
|
83
|
55
|
28
|
35
|
38
|
22
|
38
|
72
|
45
|
41
|
|
2024/12
|
38
|
41
|
38
|
48
|
45
|
33
|
25
|
71
|
40
|
39
|
26
|
22
|
22
|
75
|
74
|
55
|
44
|
60
|
49
|
27
|
42
|
64
|
43
|
33
|
35
|
63
|
107
|
79
|
53
|
46
|
57
|
|
2024/11
|
10
|
11
|
35
|
44
|
52
|
36
|
29
|
33
|
31
|
30
|
22
|
27
|
31
|
26
|
17
|
13
|
20
|
17
|
15
|
19
|
29
|
30
|
34
|
35
|
29
|
18
|
34
|
30
|
36
|
38
|
|
|
2024/10
|
15
|
11
|
21
|
17
|
19
|
15
|
14
|
11
|
30
|
46
|
46
|
42
|
33
|
37
|
29
|
24
|
34
|
37
|
29
|
17
|
29
|
31
|
34
|
35
|
25
|
16
|
19
|
12
|
39
|
46
|
18
|
|
2024/09
|
31
|
31
|
22
|
20
|
20
|
14
|
17
|
12
|
19
|
36
|
42
|
33
|
15
|
19
|
24
|
19
|
19
|
23
|
17
|
21
|
22
|
13
|
10
|
15
|
14
|
16
|
22
|
28
|
34
|
20
|
|
|
2024/08
|
33
|
40
|
45
|
37
|
28
|
20
|
31
|
39
|
41
|
48
|
48
|
45
|
41
|
31
|
27
|
22
|
19
|
20
|
18
|
18
|
16
|
23
|
33
|
38
|
32
|
28
|
43
|
29
|
29
|
31
|
33
|
|
2024/07
|
26
|
24
|
29
|
30
|
34
|
30
|
28
|
28
|
28
|
31
|
37
|
40
|
38
|
36
|
20
|
17
|
24
|
31
|
29
|
24
|
25
|
16
|
16
|
12
|
14
|
14
|
14
|
19
|
14
|
14
|
26
|
|
2024/06
|
7
|
9
|
17
|
28
|
30
|
14
|
18
|
27
|
23
|
19
|
24
|
29
|
24
|
23
|
19
|
20
|
22
|
13
|
31
|
35
|
37
|
44
|
41
|
24
|
19
|
23
|
37
|
25
|
23
|
20
|
|
|
2024/05
|
15
|
25
|
29
|
36
|
52
|
39
|
44
|
47
|
30
|
25
|
37
|
41
|
31
|
28
|
37
|
35
|
27
|
31
|
30
|
24
|
17
|
20
|
31
|
28
|
15
|
26
|
25
|
18
|
25
|
23
|
34
|
|
2024/04
|
42
|
57
|
40
|
21
|
25
|
41
|
25
|
35
|
30
|
48
|
51
|
53
|
36
|
26
|
46
|
50
|
41
|
33
|
66
|
73
|
43
|
31
|
25
|
37
|
50
|
72
|
61
|
22
|
42
|
21
|
|
|
2024/03
|
16
|
39
|
46
|
52
|
68
|
19
|
52
|
65
|
66
|
50
|
34
|
45
|
90
|
73
|
49
|
38
|
43
|
41
|
35
|
56
|
55
|
59
|
61
|
68
|
48
|
35
|
41
|
60
|
42
|
62
|
74
|
|
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