Air Quality
Excellent
No health implications.
7
PM2.5
12
PM10
26
O3
0.5
CO
3
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Sep
50
Excellent
Fri
12 Sep
50
Excellent
Sat
13 Sep
50
Excellent
Sun
14 Sep
56
Good
Mon
15 Sep
55
Good
Tue
16 Sep
48
Excellent
Wed
17 Sep
34
Excellent
Air quality in the last 12 months (Xiapu)
|
2025/08
|
33
|
27
|
25
|
21
|
18
|
28
|
36
|
42
|
43
|
39
|
36
|
29
|
19
|
19
|
15
|
15
|
14
|
15
|
19
|
29
|
22
|
20
|
24
|
20
|
17
|
13
|
12
|
12
|
12
|
11
|
14
|
|
2025/07
|
14
|
17
|
22
|
21
|
16
|
13
|
11
|
20
|
13
|
16
|
16
|
17
|
24
|
24
|
30
|
38
|
34
|
22
|
17
|
18
|
9
|
12
|
18
|
18
|
17
|
12
|
14
|
21
|
17
|
23
|
35
|
|
2025/06
|
39
|
48
|
18
|
30
|
28
|
28
|
31
|
30
|
23
|
17
|
14
|
15
|
13
|
23
|
21
|
19
|
24
|
24
|
28
|
21
|
27
|
26
|
33
|
30
|
31
|
28
|
27
|
21
|
17
|
14
|
|
|
2025/05
|
38
|
44
|
54
|
36
|
38
|
39
|
54
|
44
|
46
|
28
|
31
|
33
|
30
|
26
|
28
|
39
|
40
|
19
|
23
|
33
|
29
|
31
|
47
|
19
|
52
|
52
|
36
|
20
|
13
|
30
|
38
|
|
2025/04
|
23
|
39
|
39
|
42
|
41
|
50
|
52
|
53
|
55
|
38
|
40
|
41
|
108
|
81
|
68
|
58
|
71
|
66
|
52
|
29
|
58
|
54
|
36
|
29
|
17
|
32
|
35
|
42
|
41
|
35
|
|
|
2025/03
|
61
|
57
|
48
|
26
|
17
|
17
|
36
|
43
|
44
|
36
|
53
|
51
|
30
|
25
|
19
|
21
|
45
|
42
|
42
|
45
|
41
|
40
|
53
|
68
|
82
|
81
|
67
|
42
|
33
|
18
|
19
|
|
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
|
|
|
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