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
8 Dec
Tue
9 Dec
Wed
10 Dec
Thu
11 Dec
Fri
12 Dec
Sat
13 Dec
Sun
14 Dec
Real-time AQI (Monitoring Station in Sanya)
河东子站
4022
PM2.5
40
PM10
91
O3
0.6
CO
4
SO2
8
NO2
河西子站
4427
PM2.5
44
PM10
89
O3
0.6
CO
4
SO2
8
NO2
Air quality in the last 12 months (Sanya)
|
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
|
|
|
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
|
|
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