Air Quality
Excellent
No health implications.
18
PM2.5
28
PM10
64
O3
0.6
CO
3
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Jan
41
Excellent
Fri
30 Jan
38
Excellent
Sat
31 Jan
39
Excellent
Sun
1 Feb
35
Excellent
Mon
2 Feb
34
Excellent
Tue
3 Feb
46
Excellent
Wed
4 Feb
48
Excellent
Air quality in the last 12 months (Siming)
|
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
|
|
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
|
|
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