Air Quality
Excellent
No health implications.
8
PM2.5
12
PM10
29
O3
0.4
CO
1
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Jul
32
Excellent
Wed
29 Jul
52
Good
Thu
30 Jul
63
Good
Fri
31 Jul
56
Good
Sat
1 Aug
39
Excellent
Sun
2 Aug
39
Excellent
Mon
3 Aug
21
Excellent
Air quality in the last 12 months (Siming)
|
2026/06
|
47
|
49
|
37
|
28
|
30
|
39
|
32
|
22
|
28
|
34
|
34
|
36
|
31
|
16
|
17
|
28
|
16
|
13
|
18
|
23
|
31
|
36
|
42
|
41
|
26
|
21
|
30
|
27
|
21
|
14
|
|
|
2026/05
|
33
|
39
|
30
|
30
|
34
|
33
|
35
|
36
|
33
|
31
|
30
|
44
|
35
|
17
|
22
|
31
|
37
|
31
|
32
|
26
|
19
|
31
|
29
|
30
|
26
|
27
|
34
|
40
|
45
|
50
|
48
|
|
2026/04
|
31
|
35
|
32
|
27
|
32
|
29
|
33
|
39
|
45
|
27
|
27
|
29
|
24
|
29
|
44
|
31
|
37
|
37
|
40
|
40
|
38
|
36
|
30
|
20
|
36
|
49
|
48
|
49
|
27
|
25
|
|
|
2026/03
|
20
|
40
|
21
|
27
|
24
|
33
|
42
|
34
|
37
|
38
|
47
|
44
|
47
|
37
|
41
|
37
|
42
|
37
|
30
|
41
|
39
|
37
|
39
|
30
|
45
|
35
|
39
|
32
|
43
|
48
|
33
|
|
2026/02
|
22
|
41
|
44
|
44
|
42
|
49
|
25
|
39
|
33
|
39
|
39
|
52
|
47
|
41
|
32
|
39
|
42
|
35
|
37
|
48
|
45
|
62
|
50
|
63
|
29
|
18
|
45
|
9
|
|||
|
2026/01
|
27
|
31
|
37
|
38
|
51
|
30
|
39
|
44
|
48
|
55
|
60
|
55
|
58
|
51
|
59
|
60
|
67
|
49
|
46
|
36
|
37
|
39
|
29
|
34
|
31
|
44
|
33
|
32
|
32
|
43
|
22
|
|
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
|
|
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