Air Quality
Excellent
No health implications.
5
PM2.5
12
PM10
36
O3
0.3
CO
2
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Sep
32
Excellent
Fri
4 Sep
33
Excellent
Sat
5 Sep
43
Excellent
Sun
6 Sep
49
Excellent
Mon
7 Sep
53
Good
Tue
8 Sep
58
Good
Wed
9 Sep
31
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