Air Quality
Excellent
No health implications.
20
PM2.5
47
PM10
88
O3
0.5
CO
4
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Dec
47
Excellent
Fri
19 Dec
43
Excellent
Sat
20 Dec
47
Excellent
Sun
21 Dec
49
Excellent
Mon
22 Dec
56
Good
Tue
23 Dec
54
Good
Wed
24 Dec
31
Excellent
Air quality in the last 12 months (Sansha)
|
2025/11
|
34
|
38
|
34
|
28
|
26
|
21
|
25
|
23
|
35
|
32
|
34
|
28
|
30
|
33
|
35
|
36
|
37
|
47
|
28
|
41
|
43
|
44
|
47
|
44
|
46
|
54
|
47
|
57
|
55
|
36
|
|
|
2025/10
|
16
|
13
|
14
|
22
|
26
|
19
|
23
|
19
|
23
|
21
|
23
|
15
|
13
|
19
|
19
|
23
|
31
|
33
|
38
|
33
|
20
|
18
|
20
|
27
|
32
|
38
|
31
|
25
|
22
|
25
|
35
|
|
2025/09
|
15
|
23
|
27
|
17
|
21
|
26
|
31
|
27
|
24
|
19
|
12
|
13
|
21
|
11
|
21
|
22
|
20
|
26
|
33
|
27
|
23
|
28
|
32
|
20
|
28
|
17
|
20
|
26
|
32
|
20
|
|
|
2025/08
|
34
|
36
|
41
|
27
|
28
|
43
|
38
|
27
|
19
|
14
|
18
|
22
|
20
|
21
|
14
|
11
|
14
|
10
|
14
|
22
|
21
|
13
|
26
|
26
|
26
|
17
|
16
|
17
|
15
|
31
|
21
|
|
2025/07
|
16
|
16
|
12
|
16
|
19
|
18
|
25
|
29
|
21
|
21
|
24
|
26
|
29
|
26
|
29
|
21
|
18
|
19
|
23
|
22
|
24
|
23
|
21
|
19
|
21
|
27
|
17
|
16
|
21
|
24
|
28
|
|
2025/06
|
25
|
22
|
26
|
17
|
16
|
13
|
16
|
18
|
18
|
24
|
17
|
17
|
30
|
24
|
24
|
23
|
19
|
15
|
17
|
15
|
13
|
12
|
9
|
16
|
9
|
11
|
11
|
14
|
17
|
17
|
|
|
2025/05
|
25
|
25
|
25
|
28
|
20
|
15
|
33
|
28
|
49
|
25
|
20
|
26
|
23
|
16
|
13
|
16
|
14
|
15
|
13
|
15
|
15
|
17
|
15
|
12
|
24
|
24
|
12
|
14
|
13
|
17
|
22
|
|
2025/04
|
25
|
30
|
35
|
39
|
31
|
25
|
30
|
32
|
25
|
22
|
18
|
16
|
80
|
122
|
113
|
94
|
69
|
27
|
43
|
19
|
27
|
26
|
27
|
16
|
16
|
21
|
19
|
27
|
29
|
30
|
|
|
2025/03
|
28
|
17
|
13
|
16
|
16
|
12
|
30
|
25
|
31
|
31
|
31
|
28
|
24
|
25
|
32
|
26
|
36
|
37
|
41
|
47
|
47
|
38
|
32
|
29
|
28
|
27
|
62
|
32
|
47
|
33
|
30
|
|
2025/02
|
27
|
19
|
23
|
20
|
35
|
35
|
37
|
26
|
46
|
37
|
28
|
18
|
33
|
25
|
17
|
23
|
36
|
55
|
46
|
39
|
36
|
32
|
26
|
23
|
32
|
39
|
31
|
30
|
|||
|
2025/01
|
40
|
39
|
42
|
35
|
46
|
56
|
37
|
40
|
44
|
56
|
41
|
41
|
34
|
18
|
34
|
55
|
55
|
47
|
42
|
42
|
31
|
37
|
32
|
31
|
26
|
24
|
22
|
35
|
46
|
39
|
37
|
|
2024/12
|
31
|
25
|
24
|
21
|
25
|
31
|
44
|
43
|
25
|
22
|
23
|
30
|
22
|
31
|
51
|
41
|
36
|
39
|
43
|
40
|
44
|
44
|
34
|
36
|
26
|
18
|
28
|
49
|
49
|
40
|
43
|
|
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