Air Quality
Excellent
No health implications.
11
PM2.5
35
PM10
57
O3
0.3
CO
3
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 May
40
Excellent
Thu
21 May
43
Excellent
Fri
22 May
40
Excellent
Sat
23 May
41
Excellent
Sun
24 May
35
Excellent
Mon
25 May
41
Excellent
Tue
26 May
35
Excellent
Air quality in the last 12 months (Sansha)
|
2026/04
|
38
|
32
|
32
|
36
|
38
|
34
|
36
|
41
|
30
|
23
|
24
|
26
|
22
|
21
|
17
|
19
|
23
|
29
|
29
|
25
|
28
|
34
|
37
|
23
|
27
|
31
|
23
|
25
|
33
|
31
|
|
|
2026/03
|
21
|
22
|
27
|
25
|
35
|
38
|
43
|
41
|
39
|
41
|
36
|
38
|
64
|
58
|
59
|
46
|
34
|
28
|
22
|
25
|
25
|
25
|
26
|
23
|
23
|
22
|
39
|
30
|
28
|
22
|
32
|
|
2026/02
|
23
|
29
|
35
|
35
|
23
|
20
|
29
|
39
|
52
|
38
|
35
|
39
|
37
|
33
|
31
|
35
|
47
|
43
|
44
|
46
|
39
|
31
|
38
|
49
|
37
|
47
|
42
|
29
|
|||
|
2026/01
|
31
|
42
|
36
|
36
|
47
|
49
|
47
|
43
|
43
|
47
|
48
|
49
|
49
|
39
|
31
|
25
|
27
|
33
|
35
|
42
|
58
|
55
|
45
|
51
|
26
|
22
|
39
|
41
|
34
|
38
|
27
|
|
2025/12
|
24
|
24
|
25
|
39
|
38
|
39
|
38
|
50
|
44
|
31
|
37
|
37
|
46
|
28
|
36
|
37
|
50
|
45
|
33
|
28
|
33
|
36
|
27
|
30
|
26
|
25
|
36
|
38
|
35
|
35
|
38
|
|
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
|
|
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