Air Quality
Excellent
No health implications.
4
PM2.5
10
PM10
40
O3
0.4
CO
1
SO2
25
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 May
54
Good
Sat
10 May
51
Good
Sun
11 May
65
Good
Mon
12 May
67
Good
Tue
13 May
62
Good
Wed
14 May
65
Good
Thu
15 May
23
Excellent
Air quality in the last 12 months (Siming)
|
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
|
|
|
2024/08
|
24
|
35
|
40
|
31
|
40
|
25
|
26
|
38
|
35
|
43
|
47
|
39
|
38
|
30
|
25
|
8
|
13
|
14
|
17
|
10
|
14
|
23
|
31
|
34
|
35
|
40
|
42
|
36
|
39
|
21
|
29
|
|
2024/07
|
21
|
17
|
15
|
16
|
16
|
13
|
13
|
13
|
13
|
12
|
20
|
22
|
17
|
17
|
20
|
20
|
17
|
13
|
18
|
20
|
20
|
26
|
27
|
25
|
14
|
10
|
20
|
25
|
28
|
21
|
10
|
|
2024/06
|
9
|
7
|
20
|
29
|
35
|
19
|
21
|
21
|
16
|
14
|
14
|
27
|
26
|
24
|
20
|
16
|
16
|
14
|
14
|
13
|
20
|
23
|
17
|
13
|
14
|
15
|
18
|
15
|
13
|
17
|
|
|
2024/05
|
27
|
21
|
26
|
33
|
25
|
48
|
41
|
45
|
50
|
32
|
37
|
37
|
30
|
30
|
44
|
52
|
39
|
50
|
36
|
23
|
13
|
12
|
22
|
29
|
41
|
26
|
12
|
28
|
28
|
43
|
42
|
|
2024/04
|
35
|
50
|
34
|
41
|
26
|
33
|
19
|
35
|
22
|
42
|
43
|
43
|
54
|
35
|
52
|
40
|
34
|
40
|
42
|
51
|
29
|
33
|
39
|
29
|
43
|
28
|
20
|
17
|
27
|
22
|
|
|
2024/03
|
13
|
28
|
43
|
52
|
54
|
31
|
38
|
63
|
66
|
63
|
52
|
35
|
62
|
64
|
55
|
61
|
62
|
47
|
54
|
57
|
53
|
71
|
66
|
28
|
28
|
44
|
41
|
49
|
48
|
51
|
34
|
|
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