Air Quality
Excellent
No health implications.
5
PM2.5
12
PM10
25
O3
0.4
CO
1
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Jun
39
Excellent
Sun
22 Jun
44
Excellent
Mon
23 Jun
52
Good
Tue
24 Jun
50
Excellent
Wed
25 Jun
50
Excellent
Thu
26 Jun
42
Excellent
Fri
27 Jun
49
Excellent
Air quality in the last 12 months (Siming)
|
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
|
|
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
|
|
|
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