Air Quality
Excellent
No health implications.
16
PM2.5
29
PM10
90
O3
0.6
CO
2
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Oct
64
Good
Thu
29 Oct
59
Good
Fri
30 Oct
67
Good
Sat
31 Oct
70
Good
Sun
1 Nov
67
Good
Mon
2 Nov
56
Good
Tue
3 Nov
47
Excellent
Air quality in the last 12 months (Siming)
|
2026/08
|
18
|
20
|
50
|
37
|
32
|
27
|
32
|
38
|
24
|
22
|
37
|
44
|
34
|
23
|
21
|
23
|
29
|
22
|
20
|
15
|
26
|
29
|
21
|
20
|
16
|
17
|
28
|
28
|
38
|
21
|
22
|
|
2026/07
|
16
|
19
|
16
|
16
|
15
|
14
|
16
|
18
|
29
|
33
|
39
|
29
|
17
|
18
|
17
|
18
|
18
|
23
|
27
|
24
|
45
|
41
|
46
|
45
|
19
|
19
|
14
|
15
|
31
|
32
|
33
|
|
2026/06
|
47
|
49
|
37
|
28
|
30
|
39
|
32
|
22
|
28
|
34
|
34
|
36
|
31
|
16
|
17
|
28
|
16
|
13
|
18
|
23
|
31
|
36
|
42
|
41
|
26
|
21
|
30
|
27
|
21
|
14
|
|
|
2026/05
|
33
|
39
|
30
|
30
|
34
|
33
|
35
|
36
|
33
|
31
|
30
|
44
|
35
|
17
|
22
|
31
|
37
|
31
|
32
|
26
|
19
|
31
|
29
|
30
|
26
|
27
|
34
|
40
|
45
|
50
|
48
|
|
2026/04
|
31
|
35
|
32
|
27
|
32
|
29
|
33
|
39
|
45
|
27
|
27
|
29
|
24
|
29
|
44
|
31
|
37
|
37
|
40
|
40
|
38
|
36
|
30
|
20
|
36
|
49
|
48
|
49
|
27
|
25
|
|
|
2026/03
|
20
|
40
|
21
|
27
|
24
|
33
|
42
|
34
|
37
|
38
|
47
|
44
|
47
|
37
|
41
|
37
|
42
|
37
|
30
|
41
|
39
|
37
|
39
|
30
|
45
|
35
|
39
|
32
|
43
|
48
|
33
|
|
2026/02
|
22
|
41
|
44
|
44
|
42
|
49
|
25
|
39
|
33
|
39
|
39
|
52
|
47
|
41
|
32
|
39
|
42
|
35
|
37
|
48
|
45
|
62
|
50
|
63
|
29
|
18
|
45
|
9
|
|||
|
2026/01
|
27
|
31
|
37
|
38
|
51
|
30
|
39
|
44
|
48
|
55
|
60
|
55
|
58
|
51
|
59
|
60
|
67
|
49
|
46
|
36
|
37
|
39
|
29
|
34
|
31
|
44
|
33
|
32
|
32
|
43
|
22
|
|
2025/12
|
53
|
41
|
47
|
41
|
32
|
35
|
40
|
48
|
45
|
35
|
46
|
49
|
39
|
28
|
45
|
48
|
48
|
49
|
66
|
60
|
58
|
28
|
31
|
45
|
29
|
29
|
24
|
32
|
37
|
48
|
38
|
|
2025/11
|
26
|
41
|
40
|
10
|
19
|
23
|
30
|
30
|
39
|
27
|
15
|
10
|
13
|
27
|
43
|
37
|
39
|
34
|
21
|
31
|
39
|
42
|
44
|
47
|
40
|
75
|
55
|
78
|
75
|
63
|
|
|
2025/10
|
29
|
22
|
28
|
30
|
26
|
29
|
30
|
30
|
29
|
27
|
28
|
31
|
24
|
38
|
23
|
32
|
31
|
30
|
21
|
21
|
11
|
12
|
19
|
22
|
24
|
39
|
44
|
25
|
24
|
33
|
39
|
|
2025/09
|
30
|
35
|
29
|
31
|
23
|
15
|
10
|
9
|
12
|
21
|
22
|
28
|
25
|
22
|
25
|
30
|
18
|
20
|
15
|
11
|
20
|
13
|
21
|
11
|
19
|
20
|
19
|
23
|
35
|
39
|
|
|
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