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
19 Mar
Fri
20 Mar
Sat
21 Mar
Sun
22 Mar
Mon
23 Mar
Tue
24 Mar
Wed
25 Mar
Real-time AQI (Monitoring Station in Sanya)
河西子站
2511
PM2.5
25
PM10
54
O3
0.3
CO
4
SO2
6
NO2
君悦子站
2610
PM2.5
26
PM10
54
O3
0.3
CO
5
SO2
6
NO2
Air quality in the last 12 months (Sanya)
|
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
|
|
|
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
|
|
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