Air Quality
Excellent
No health implications.
19
PM2.5
25
PM10
66
O3
0.4
CO
4
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Feb
41
Excellent
Mon
24 Feb
51
Good
Tue
25 Feb
50
Excellent
Wed
26 Feb
52
Good
Thu
27 Feb
47
Excellent
Fri
28 Feb
47
Excellent
Sat
1 Mar
35
Excellent
Air quality in the last 12 months (Xiapu)
|
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
|
|
2024/02
|
49
|
19
|
24
|
14
|
16
|
30
|
15
|
35
|
70
|
108
|
55
|
58
|
53
|
66
|
62
|
20
|
29
|
48
|
53
|
45
|
37
|
11
|
13
|
18
|
21
|
39
|
32
|
48
|
47
|
||
|
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