Air Quality
Excellent
No health implications.
7
PM2.5
15
PM10
93
O3
0.5
CO
5
SO2
1
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Sep
55
Good
Wed
23 Sep
45
Excellent
Thu
24 Sep
43
Excellent
Fri
25 Sep
57
Good
Sat
26 Sep
37
Excellent
Sun
27 Sep
43
Excellent
Mon
28 Sep
35
Excellent
Real-time AQI (Monitoring Station in Xisha)
永兴岛子站
144
PM2.5
8
PM10
43
O3
0.3
CO
1
SO2
12
NO2
Air quality in the last 12 months (Xisha)
|
2026/08
|
17
|
22
|
24
|
19
|
15
|
17
|
17
|
22
|
25
|
30
|
37
|
30
|
23
|
26
|
24
|
24
|
26
|
28
|
23
|
20
|
18
|
19
|
20
|
23
|
21
|
27
|
29
|
26
|
27
|
22
|
21
|
|
2026/07
|
22
|
20
|
19
|
23
|
27
|
20
|
18
|
21
|
27
|
20
|
29
|
21
|
19
|
21
|
24
|
27
|
25
|
29
|
39
|
39
|
44
|
39
|
34
|
34
|
23
|
25
|
25
|
19
|
20
|
19
|
16
|
|
2026/06
|
21
|
24
|
23
|
21
|
26
|
26
|
20
|
27
|
27
|
26
|
29
|
25
|
23
|
26
|
29
|
25
|
21
|
27
|
31
|
24
|
20
|
20
|
26
|
30
|
29
|
29
|
27
|
24
|
24
|
21
|
|
|
2026/05
|
37
|
34
|
27
|
28
|
26
|
23
|
22
|
24
|
24
|
25
|
25
|
22
|
20
|
26
|
26
|
26
|
24
|
24
|
29
|
26
|
36
|
42
|
20
|
21
|
22
|
27
|
28
|
22
|
23
|
25
|
23
|
|
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
|
26
|
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
|
26
|
35
|
|
2025/09
|
15
|
23
|
27
|
17
|
21
|
26
|
31
|
27
|
24
|
19
|
12
|
13
|
20
|
11
|
21
|
22
|
20
|
26
|
33
|
27
|
23
|
28
|
32
|
20
|
28
|
17
|
20
|
26
|
32
|
20
|
|
|
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