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
11 Jul
Sun
12 Jul
Mon
13 Jul
Tue
14 Jul
Wed
15 Jul
Thu
16 Jul
Fri
17 Jul
Real-time AQI (Monitoring Station in Sanya)
河西子站
169
PM2.5
16
PM10
40
O3
0.1
CO
3
SO2
3
NO2
君悦子站
248
PM2.5
24
PM10
41
O3
0.2
CO
2
SO2
6
NO2
Air quality in the last 12 months (Sanya)
|
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
|
|
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
|
|
|
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