Air Quality
Excellent
No health implications.
12
PM2.5
19
PM10
22
O3
0.6
CO
2
SO2
44
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Mar
78
Good
Sun
2 Mar
65
Good
Mon
3 Mar
65
Good
Tue
4 Mar
55
Good
Wed
5 Mar
49
Excellent
Thu
6 Mar
44
Excellent
Fri
7 Mar
29
Excellent
Air quality in the last 12 months (Siming)
|
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
|
|
2024/02
|
35
|
29
|
24
|
22
|
30
|
26
|
19
|
24
|
46
|
134
|
54
|
44
|
54
|
57
|
46
|
31
|
32
|
51
|
38
|
28
|
17
|
23
|
22
|
26
|
45
|
39
|
31
|
39
|
60
|
||
|
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