Air Quality
Excellent
No health implications.
24
PM2.5
48
PM10
77
O3
0.8
CO
5
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Dec
41
Excellent
Sun
15 Dec
47
Excellent
Mon
16 Dec
48
Excellent
Tue
17 Dec
60
Good
Wed
18 Dec
46
Excellent
Thu
19 Dec
45
Excellent
Fri
20 Dec
40
Excellent
Air quality in the last 12 months (Sansha)
|
2024/11
|
40
|
35
|
20
|
28
|
38
|
42
|
35
|
43
|
43
|
24
|
23
|
31
|
39
|
34
|
22
|
29
|
17
|
28
|
27
|
16
|
19
|
21
|
23
|
20
|
28
|
27
|
28
|
34
|
40
|
37
|
|
|
2024/10
|
24
|
31
|
37
|
38
|
36
|
32
|
24
|
44
|
53
|
40
|
28
|
27
|
18
|
19
|
16
|
14
|
16
|
19
|
22
|
21
|
31
|
37
|
36
|
37
|
39
|
32
|
35
|
23
|
19
|
22
|
32
|
|
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
|
|
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