Air Quality
Excellent
No health implications.
11
PM2.5
22
PM10
79
O3
0.5
CO
2
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Oct
37
Excellent
Fri
24 Oct
41
Excellent
Sat
25 Oct
43
Excellent
Sun
26 Oct
41
Excellent
Mon
27 Oct
40
Excellent
Tue
28 Oct
44
Excellent
Wed
29 Oct
26
Excellent
Air quality in the last 12 months (Siming)
|
2025/08
|
26
|
26
|
16
|
12
|
13
|
24
|
34
|
38
|
16
|
12
|
13
|
15
|
21
|
20
|
19
|
22
|
27
|
26
|
15
|
19
|
25
|
24
|
32
|
25
|
25
|
21
|
22
|
23
|
17
|
19
|
20
|
|
2025/07
|
24
|
25
|
29
|
30
|
11
|
21
|
34
|
40
|
37
|
9
|
8
|
21
|
36
|
32
|
31
|
37
|
38
|
30
|
20
|
20
|
16
|
17
|
15
|
18
|
24
|
27
|
26
|
16
|
21
|
24
|
22
|
|
2025/06
|
41
|
23
|
13
|
26
|
32
|
32
|
23
|
25
|
17
|
26
|
24
|
29
|
18
|
19
|
22
|
22
|
17
|
23
|
13
|
12
|
11
|
20
|
28
|
22
|
14
|
9
|
16
|
18
|
14
|
21
|
|
|
2025/05
|
55
|
51
|
46
|
43
|
38
|
43
|
37
|
48
|
32
|
29
|
28
|
39
|
35
|
41
|
26
|
17
|
17
|
20
|
23
|
31
|
23
|
35
|
27
|
25
|
49
|
36
|
30
|
26
|
11
|
28
|
44
|
|
2025/04
|
18
|
37
|
48
|
56
|
56
|
53
|
57
|
61
|
59
|
38
|
34
|
23
|
112
|
94
|
87
|
72
|
64
|
57
|
46
|
37
|
27
|
32
|
35
|
30
|
16
|
13
|
27
|
41
|
36
|
49
|
|
|
2025/03
|
54
|
19
|
18
|
20
|
14
|
14
|
25
|
36
|
34
|
38
|
40
|
32
|
32
|
27
|
30
|
14
|
50
|
46
|
40
|
46
|
44
|
49
|
57
|
62
|
61
|
43
|
35
|
50
|
26
|
8
|
10
|
|
2025/02
|
41
|
17
|
17
|
43
|
46
|
37
|
14
|
44
|
33
|
34
|
39
|
44
|
40
|
25
|
34
|
47
|
49
|
49
|
30
|
30
|
20
|
25
|
14
|
38
|
45
|
62
|
68
|
79
|
|||
|
2025/01
|
57
|
63
|
53
|
38
|
48
|
58
|
62
|
53
|
55
|
55
|
36
|
51
|
52
|
53
|
75
|
69
|
54
|
48
|
52
|
45
|
55
|
50
|
50
|
25
|
26
|
33
|
19
|
36
|
66
|
35
|
39
|
|
2024/12
|
49
|
57
|
54
|
35
|
43
|
40
|
31
|
40
|
32
|
29
|
37
|
22
|
32
|
37
|
59
|
50
|
50
|
43
|
50
|
30
|
46
|
62
|
33
|
28
|
36
|
53
|
56
|
69
|
49
|
51
|
57
|
|
2024/11
|
24
|
19
|
36
|
40
|
44
|
46
|
34
|
29
|
40
|
37
|
32
|
22
|
23
|
26
|
31
|
23
|
27
|
26
|
13
|
9
|
16
|
25
|
32
|
26
|
24
|
18
|
32
|
33
|
36
|
44
|
|
|
2024/10
|
14
|
8
|
12
|
13
|
17
|
21
|
25
|
16
|
34
|
45
|
44
|
40
|
31
|
32
|
34
|
30
|
36
|
39
|
34
|
21
|
23
|
29
|
41
|
35
|
22
|
31
|
34
|
27
|
35
|
37
|
17
|
|
2024/09
|
27
|
45
|
28
|
25
|
23
|
21
|
16
|
15
|
17
|
38
|
45
|
44
|
18
|
22
|
24
|
26
|
21
|
28
|
26
|
16
|
19
|
9
|
11
|
14
|
23
|
24
|
16
|
19
|
20
|
15
|
|
|
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