Air Quality
Excellent
No health implications.
3
PM2.5
7
PM10
71
O3
0.4
CO
1
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Nov
37
Excellent
Thu
13 Nov
35
Excellent
Fri
14 Nov
47
Excellent
Sat
15 Nov
51
Good
Sun
16 Nov
55
Good
Mon
17 Nov
37
Excellent
Tue
18 Nov
19
Excellent
Air quality in the last 12 months (Siming)
|
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
|
|
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
|
|
|
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