Air Quality
Excellent
No health implications.
13
PM2.5
35
PM10
111
O3
0.3
CO
2
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Mar
71
Good
Sat
14 Mar
67
Good
Sun
15 Mar
72
Good
Mon
16 Mar
74
Good
Tue
17 Mar
76
Good
Wed
18 Mar
32
Excellent
Thu
19 Mar
42
Excellent
Air quality in the last 12 months (Siming)
|
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
|
|
|
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
|
|
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