Air Quality
Excellent
No health implications.
10
PM2.5
20
PM10
32
O3
0.3
CO
2
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Aug
48
Excellent
Wed
13 Aug
50
Excellent
Thu
14 Aug
47
Excellent
Fri
15 Aug
52
Good
Sat
16 Aug
59
Good
Sun
17 Aug
15
Excellent
Mon
18 Aug
50
Excellent
Air quality in the last 12 months (Siming)
|
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
|
|
|
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
|
|
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