Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Oct
Sun
11 Oct
Mon
12 Oct
Tue
13 Oct
Wed
14 Oct
Thu
15 Oct
Fri
16 Oct
Real-time AQI (Monitoring Station in Sanya)
河西子站
3015
PM2.5
30
PM10
92
O3
0.5
CO
4
SO2
4
NO2
君悦子站
3214
PM2.5
25
PM10
100
O3
0.5
CO
5
SO2
4
NO2
Air quality in the last 12 months (Sanya)
|
2026/08
|
16
|
21
|
22
|
17
|
12
|
15
|
15
|
15
|
17
|
19
|
25
|
19
|
24
|
26
|
24
|
21
|
23
|
26
|
21
|
20
|
19
|
22
|
22
|
25
|
22
|
27
|
26
|
23
|
23
|
20
|
21
|
|
2026/07
|
19
|
17
|
16
|
20
|
26
|
19
|
18
|
20
|
27
|
23
|
25
|
21
|
20
|
22
|
27
|
29
|
27
|
31
|
41
|
43
|
45
|
40
|
34
|
34
|
26
|
21
|
21
|
20
|
19
|
17
|
14
|
|
2026/06
|
20
|
23
|
26
|
26
|
24
|
24
|
22
|
27
|
25
|
25
|
26
|
19
|
22
|
25
|
29
|
26
|
25
|
28
|
31
|
27
|
22
|
24
|
30
|
31
|
31
|
30
|
27
|
26
|
25
|
21
|
|
|
2026/05
|
31
|
25
|
22
|
24
|
20
|
21
|
19
|
20
|
17
|
22
|
25
|
22
|
19
|
26
|
31
|
24
|
18
|
19
|
20
|
23
|
23
|
21
|
22
|
24
|
24
|
30
|
29
|
25
|
24
|
23
|
22
|
|
2026/04
|
37
|
35
|
31
|
38
|
48
|
44
|
42
|
43
|
30
|
28
|
34
|
35
|
34
|
29
|
23
|
23
|
25
|
24
|
27
|
27
|
27
|
31
|
30
|
24
|
23
|
29
|
22
|
27
|
33
|
30
|
|
|
2026/03
|
14
|
14
|
19
|
21
|
22
|
31
|
39
|
36
|
27
|
31
|
26
|
29
|
41
|
45
|
38
|
37
|
31
|
27
|
25
|
22
|
21
|
24
|
27
|
26
|
28
|
25
|
27
|
26
|
25
|
22
|
30
|
|
2026/02
|
21
|
25
|
34
|
34
|
31
|
23
|
24
|
31
|
39
|
32
|
24
|
26
|
29
|
30
|
30
|
31
|
61
|
28
|
38
|
36
|
35
|
30
|
25
|
29
|
34
|
32
|
28
|
20
|
|||
|
2026/01
|
39
|
44
|
36
|
38
|
36
|
52
|
46
|
45
|
38
|
43
|
47
|
44
|
45
|
48
|
42
|
35
|
37
|
43
|
36
|
38
|
42
|
45
|
39
|
35
|
28
|
27
|
28
|
32
|
36
|
34
|
29
|
|
2025/12
|
17
|
21
|
22
|
36
|
34
|
41
|
34
|
51
|
47
|
33
|
31
|
32
|
36
|
22
|
26
|
26
|
36
|
44
|
39
|
31
|
24
|
41
|
32
|
30
|
27
|
22
|
35
|
39
|
35
|
31
|
38
|
|
2025/11
|
29
|
23
|
11
|
19
|
16
|
16
|
22
|
20
|
17
|
27
|
33
|
29
|
30
|
34
|
26
|
30
|
32
|
41
|
25
|
31
|
36
|
39
|
34
|
36
|
46
|
48
|
48
|
50
|
46
|
30
|
|
|
2025/10
|
16
|
14
|
16
|
17
|
16
|
16
|
17
|
17
|
21
|
22
|
26
|
19
|
14
|
16
|
19
|
22
|
21
|
23
|
31
|
28
|
11
|
9
|
10
|
17
|
23
|
29
|
19
|
13
|
18
|
16
|
20
|
|
2025/09
|
17
|
16
|
19
|
13
|
15
|
12
|
22
|
19
|
21
|
19
|
17
|
16
|
18
|
12
|
15
|
18
|
16
|
17
|
23
|
23
|
23
|
22
|
25
|
25
|
26
|
14
|
18
|
24
|
30
|
21
|
|
|
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
*: primary pollution