Air Quality
Excellent
No health implications.
3
PM2.5
13
PM10
33
O3
0.4
CO
2
SO2
1
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jul
29
Excellent
Sun
28 Jul
25
Excellent
Mon
29 Jul
29
Excellent
Tue
30 Jul
38
Excellent
Wed
31 Jul
36
Excellent
Thu
1 Aug
33
Excellent
Fri
2 Aug
33
Excellent
Air quality in the last 12 months (Siming)
|
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
|
||
|
2024/01
|
68
|
57
|
53
|
42
|
62
|
63
|
74
|
61
|
56
|
53
|
76
|
90
|
59
|
40
|
76
|
48
|
45
|
55
|
51
|
44
|
27
|
27
|
20
|
28
|
43
|
59
|
69
|
85
|
63
|
48
|
53
|
|
2023/12
|
45
|
41
|
29
|
29
|
38
|
38
|
44
|
57
|
63
|
67
|
61
|
43
|
28
|
43
|
54
|
23
|
26
|
25
|
34
|
14
|
25
|
52
|
29
|
37
|
51
|
54
|
58
|
53
|
43
|
55
|
74
|
|
2023/11
|
29
|
32
|
42
|
48
|
60
|
55
|
43
|
43
|
52
|
41
|
20
|
21
|
33
|
31
|
28
|
30
|
51
|
61
|
53
|
49
|
43
|
40
|
50
|
63
|
42
|
29
|
52
|
56
|
59
|
62
|
|
|
2023/10
|
34
|
38
|
37
|
54
|
33
|
23
|
26
|
21
|
25
|
22
|
32
|
29
|
28
|
35
|
49
|
47
|
52
|
50
|
76
|
54
|
27
|
26
|
26
|
29
|
40
|
28
|
36
|
28
|
35
|
37
|
31
|
|
2023/09
|
20
|
19
|
11
|
10
|
14
|
16
|
21
|
23
|
28
|
29
|
29
|
25
|
30
|
24
|
21
|
36
|
47
|
18
|
23
|
30
|
35
|
28
|
24
|
24
|
26
|
28
|
32
|
32
|
27
|
27
|
|
|
2023/08
|
29
|
37
|
37
|
43
|
37
|
41
|
45
|
38
|
34
|
27
|
26
|
14
|
23
|
28
|
32
|
38
|
25
|
29
|
28
|
21
|
28
|
22
|
29
|
26
|
24
|
34
|
31
|
27
|
25
|
23
|
22
|
|
2023/07
|
11
|
13
|
17
|
18
|
22
|
28
|
28
|
37
|
40
|
33
|
19
|
14
|
20
|
38
|
32
|
23
|
19
|
16
|
14
|
22
|
21
|
19
|
14
|
19
|
28
|
30
|
23
|
15
|
18
|
17
|
31
|
|
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