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
15 Aug
Sun
16 Aug
Mon
17 Aug
Tue
18 Aug
Wed
19 Aug
Thu
20 Aug
Fri
21 Aug
Real-time AQI (Monitoring Station in Sanya)
河西子站
2410
PM2.5
14
PM10
76
O3
0.3
CO
3
SO2
4
NO2
君悦子站
373
PM2.5
37
PM10
77
O3
0.5
CO
3
SO2
10
NO2
Air quality in the last 12 months (Sanya)
|
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
|
|
|
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
|
|
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