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
25 Oct
Mon
26 Oct
Tue
27 Oct
Wed
28 Oct
Thu
29 Oct
Fri
30 Oct
Sat
31 Oct
Real-time AQI (Monitoring Station in Sanya)
河西子站
3222
PM2.5
29
PM10
26
O3
0.6
CO
4
SO2
15
NO2
君悦子站
2215
PM2.5
21
PM10
25
O3
0.5
CO
4
SO2
16
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