Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
18
PM2.5
100
*
PM10
32
O3
0.4
CO
5
SO2
4
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
24 Aug
36
Excellent
Mon
25 Aug
36
Excellent
Tue
26 Aug
37
Excellent
Wed
27 Aug
43
Excellent
Thu
28 Aug
41
Excellent
Fri
29 Aug
35
Excellent
Sat
30 Aug
35
Excellent
Xisha Air quality rank
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)
|
2025/06
|
25
|
22
|
26
|
17
|
16
|
13
|
16
|
18
|
18
|
24
|
17
|
17
|
30
|
24
|
24
|
23
|
19
|
15
|
17
|
15
|
13
|
12
|
10
|
16
|
9
|
11
|
11
|
14
|
18
|
17
|
|
|
2025/05
|
25
|
25
|
25
|
28
|
20
|
15
|
33
|
28
|
49
|
25
|
20
|
26
|
23
|
16
|
13
|
16
|
14
|
15
|
13
|
14
|
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
|
28
|
62
|
32
|
47
|
33
|
30
|
|
2025/02
|
27
|
19
|
23
|
20
|
35
|
35
|
37
|
26
|
46
|
37
|
28
|
19
|
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
|
45
|
39
|
37
|
|
2024/12
|
31
|
25
|
24
|
20
|
25
|
31
|
44
|
43
|
25
|
22
|
22
|
30
|
22
|
31
|
51
|
41
|
36
|
39
|
43
|
40
|
44
|
44
|
34
|
36
|
26
|
18
|
28
|
49
|
49
|
40
|
43
|
|
2024/11
|
40
|
35
|
20
|
28
|
38
|
42
|
35
|
43
|
43
|
24
|
23
|
31
|
39
|
34
|
22
|
29
|
17
|
28
|
27
|
16
|
18
|
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
|
21
|
29
|
28
|
21
|
17
|
21
|
13
|
18
|
18
|
24
|
18
|
22
|
18
|
16
|
12
|
17
|
15
|
14
|
11
|
23
|
17
|
15
|
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
|
14
|
16
|
15
|
22
|
28
|
16
|
13
|
|
2024/07
|
20
|
23
|
20
|
14
|
10
|
14
|
11
|
15
|
15
|
13
|
13
|
12
|
19
|
14
|
20
|
14
|
13
|
14
|
17
|
15
|
14
|
11
|
16
|
19
|
19
|
17
|
24
|
24
|
21
|
18
|
23
|
|
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