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
21 Oct
Wed
22 Oct
Thu
23 Oct
Fri
24 Oct
Sat
25 Oct
Sun
26 Oct
Mon
27 Oct
Real-time AQI (Monitoring Station in Sanya)
河东子站
203
PM2.5
6
PM10
62
O3
0.5
CO
3
SO2
8
NO2
河西子站
203
PM2.5
6
PM10
61
O3
0.6
CO
6
SO2
8
NO2
君悦子站
213
PM2.5
10
PM10
66
O3
0.5
CO
4
SO2
6
NO2
Air quality in the last 12 months (Sanya)
|
2025/08
|
39
|
36
|
37
|
26
|
33
|
40
|
39
|
29
|
25
|
19
|
20
|
24
|
20
|
20
|
15
|
14
|
10
|
11
|
18
|
24
|
22
|
14
|
16
|
29
|
29
|
20
|
16
|
16
|
17
|
26
|
22
|
|
2025/07
|
16
|
11
|
12
|
16
|
18
|
16
|
15
|
21
|
22
|
26
|
26
|
20
|
22
|
23
|
22
|
19
|
18
|
20
|
19
|
17
|
22
|
19
|
17
|
14
|
17
|
20
|
16
|
15
|
20
|
20
|
29
|
|
2025/06
|
20
|
21
|
21
|
22
|
18
|
16
|
19
|
22
|
21
|
24
|
18
|
12
|
22
|
16
|
19
|
23
|
22
|
18
|
17
|
16
|
15
|
13
|
12
|
16
|
11
|
10
|
14
|
12
|
19
|
20
|
|
|
2025/05
|
25
|
20
|
24
|
20
|
17
|
18
|
18
|
15
|
23
|
17
|
15
|
26
|
19
|
12
|
14
|
12
|
15
|
18
|
15
|
18
|
17
|
11
|
11
|
13
|
15
|
18
|
11
|
15
|
15
|
18
|
15
|
|
2025/04
|
14
|
20
|
30
|
31
|
31
|
22
|
26
|
27
|
26
|
26
|
25
|
25
|
36
|
105
|
102
|
100
|
83
|
42
|
25
|
20
|
20
|
21
|
20
|
21
|
21
|
18
|
11
|
19
|
19
|
24
|
|
|
2025/03
|
23
|
19
|
20
|
18
|
18
|
14
|
14
|
16
|
27
|
30
|
29
|
26
|
19
|
17
|
17
|
17
|
14
|
17
|
31
|
44
|
44
|
38
|
34
|
34
|
34
|
26
|
26
|
19
|
22
|
17
|
18
|
|
2025/02
|
23
|
17
|
20
|
16
|
23
|
32
|
32
|
16
|
35
|
38
|
25
|
19
|
27
|
16
|
11
|
14
|
22
|
38
|
48
|
36
|
37
|
23
|
16
|
16
|
19
|
29
|
32
|
27
|
|||
|
2025/01
|
49
|
43
|
44
|
44
|
48
|
56
|
44
|
40
|
43
|
59
|
44
|
49
|
38
|
19
|
23
|
53
|
56
|
48
|
44
|
44
|
38
|
35
|
36
|
30
|
25
|
23
|
21
|
37
|
44
|
37
|
30
|
|
2024/12
|
36
|
30
|
28
|
27
|
30
|
34
|
39
|
42
|
26
|
28
|
19
|
23
|
16
|
26
|
49
|
41
|
37
|
39
|
45
|
43
|
43
|
43
|
28
|
38
|
31
|
17
|
18
|
41
|
53
|
40
|
39
|
|
2024/11
|
33
|
37
|
16
|
14
|
32
|
35
|
29
|
42
|
42
|
32
|
22
|
24
|
33
|
29
|
23
|
26
|
23
|
20
|
24
|
11
|
14
|
17
|
17
|
14
|
22
|
23
|
22
|
33
|
39
|
35
|
|
|
2024/10
|
17
|
29
|
32
|
38
|
37
|
30
|
16
|
42
|
53
|
43
|
29
|
29
|
25
|
17
|
13
|
12
|
12
|
14
|
16
|
19
|
21
|
27
|
34
|
30
|
35
|
25
|
23
|
14
|
9
|
8
|
25
|
|
2024/09
|
12
|
14
|
15
|
20
|
26
|
17
|
28
|
26
|
24
|
17
|
15
|
15
|
16
|
12
|
17
|
18
|
17
|
17
|
11
|
12
|
17
|
12
|
10
|
11
|
16
|
14
|
15
|
14
|
13
|
12
|
|
|
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