Air Quality
Excellent
No health implications.
17
PM2.5
33
PM10
107
O3
0.5
CO
4
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 Nov
44
Excellent
Wed
6 Nov
43
Excellent
Thu
7 Nov
46
Excellent
Fri
8 Nov
51
Good
Sat
9 Nov
48
Excellent
Sun
10 Nov
51
Good
Air quality in the last 12 months (Sansha)
|
2024/09
|
12
|
14
|
19
|
29
|
28
|
22
|
29
|
28
|
21
|
17
|
21
|
13
|
19
|
18
|
24
|
18
|
22
|
18
|
16
|
12
|
17
|
15
|
14
|
11
|
23
|
17
|
14
|
16
|
16
|
20
|
|
|
2024/08
|
23
|
21
|
20
|
22
|
24
|
21
|
18
|
19
|
18
|
20
|
22
|
21
|
19
|
16
|
25
|
18
|
19
|
24
|
18
|
14
|
23
|
21
|
18
|
16
|
15
|
16
|
15
|
22
|
28
|
16
|
13
|
|
2024/07
|
20
|
23
|
20
|
14
|
10
|
14
|
11
|
15
|
15
|
13
|
13
|
12
|
19
|
14
|
21
|
14
|
13
|
14
|
17
|
15
|
14
|
11
|
16
|
19
|
19
|
17
|
24
|
24
|
21
|
18
|
23
|
|
2024/06
|
19
|
19
|
15
|
22
|
26
|
22
|
16
|
13
|
21
|
16
|
23
|
22
|
23
|
25
|
30
|
28
|
24
|
19
|
19
|
18
|
16
|
12
|
11
|
14
|
22
|
17
|
16
|
13
|
16
|
22
|
|
|
2024/05
|
32
|
23
|
25
|
30
|
30
|
24
|
20
|
22
|
34
|
42
|
29
|
30
|
24
|
20
|
23
|
34
|
28
|
18
|
21
|
21
|
17
|
16
|
17
|
12
|
15
|
18
|
25
|
24
|
26
|
17
|
15
|
|
2024/04
|
27
|
32
|
28
|
25
|
30
|
44
|
29
|
37
|
31
|
33
|
31
|
29
|
29
|
33
|
38
|
23
|
23
|
26
|
38
|
41
|
35
|
29
|
24
|
24
|
17
|
26
|
29
|
20
|
25
|
29
|
|
|
2024/03
|
21
|
23
|
26
|
25
|
32
|
41
|
32
|
22
|
43
|
46
|
35
|
24
|
39
|
44
|
52
|
43
|
43
|
36
|
38
|
31
|
44
|
47
|
35
|
28
|
26
|
37
|
33
|
31
|
31
|
25
|
24
|
|
2024/02
|
22
|
23
|
21
|
21
|
21
|
24
|
21
|
17
|
17
|
32
|
32
|
40
|
46
|
52
|
52
|
44
|
29
|
70
|
57
|
54
|
37
|
40
|
45
|
47
|
37
|
45
|
40
|
42
|
38
|
||
|
2024/01
|
43
|
37
|
49
|
42
|
35
|
36
|
37
|
37
|
34
|
40
|
44
|
46
|
38
|
30
|
31
|
35
|
32
|
28
|
26
|
26
|
34
|
33
|
19
|
24
|
33
|
40
|
44
|
36
|
39
|
33
|
24
|
|
2023/12
|
43
|
38
|
42
|
42
|
44
|
34
|
28
|
39
|
35
|
26
|
21
|
32
|
27
|
28
|
44
|
60
|
55
|
57
|
54
|
41
|
38
|
38
|
39
|
43
|
45
|
45
|
37
|
32
|
26
|
30
|
54
|
|
2023/11
|
30
|
24
|
24
|
22
|
22
|
30
|
38
|
24
|
27
|
25
|
24
|
22
|
34
|
31
|
30
|
32
|
40
|
58
|
54
|
49
|
37
|
26
|
34
|
43
|
33
|
38
|
51
|
56
|
35
|
45
|
|
|
2023/10
|
21
|
30
|
26
|
34
|
30
|
29
|
29
|
33
|
27
|
25
|
25
|
29
|
29
|
33
|
42
|
39
|
38
|
27
|
28
|
28
|
27
|
28
|
28
|
25
|
20
|
20
|
19
|
21
|
28
|
34
|
40
|
|
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