Air Quality
Excellent
No health implications.
4
PM2.5
7
PM10
37
O3
0.5
CO
2
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Jul
47
Excellent
Sun
13 Jul
58
Good
Mon
14 Jul
63
Good
Tue
15 Jul
60
Good
Wed
16 Jul
52
Good
Thu
17 Jul
30
Excellent
Fri
18 Jul
17
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