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
27 Apr
Sun
28 Apr
Mon
29 Apr
Tue
30 Apr
Wed
1 May
Thu
2 May
Fri
3 May
Real-time AQI (Monitoring Station in Sanya)
河东子站
2213
PM2.5
22
PM10
40
O3
0.4
CO
3
SO2
5
NO2
河西子站
2711
PM2.5
27
PM10
37
O3
0.2
CO
2
SO2
6
NO2
君悦子站
2311
PM2.5
23
PM10
26
O3
0.5
CO
2
SO2
9
NO2
Air quality in the last 12 months (Sanya)
|
2024/02
|
22
|
21
|
20
|
19
|
18
|
19
|
20
|
20
|
19
|
29
|
28
|
37
|
40
|
37
|
31
|
30
|
28
|
20
|
27
|
41
|
27
|
30
|
34
|
25
|
24
|
27
|
22
|
24
|
25
|
||
|
2024/01
|
36
|
35
|
38
|
38
|
34
|
33
|
30
|
33
|
34
|
34
|
37
|
39
|
37
|
31
|
30
|
35
|
35
|
29
|
29
|
25
|
32
|
29
|
17
|
19
|
25
|
29
|
29
|
28
|
29
|
25
|
23
|
|
2023/12
|
28
|
25
|
27
|
26
|
30
|
30
|
25
|
33
|
29
|
23
|
19
|
21
|
23
|
23
|
20
|
21
|
18
|
22
|
23
|
20
|
22
|
21
|
25
|
37
|
36
|
33
|
27
|
32
|
25
|
22
|
33
|
|
2023/11
|
28
|
21
|
23
|
21
|
20
|
18
|
25
|
16
|
19
|
24
|
19
|
16
|
26
|
24
|
25
|
26
|
32
|
50
|
49
|
47
|
38
|
31
|
30
|
35
|
33
|
41
|
43
|
53
|
33
|
31
|
|
|
2023/10
|
21
|
22
|
20
|
25
|
22
|
22
|
28
|
32
|
31
|
25
|
18
|
21
|
24
|
29
|
36
|
27
|
24
|
19
|
21
|
20
|
18
|
18
|
20
|
16
|
14
|
14
|
14
|
15
|
19
|
27
|
35
|
|
2023/09
|
26
|
34
|
26
|
27
|
26
|
23
|
22
|
18
|
16
|
15
|
17
|
17
|
19
|
21
|
21
|
15
|
14
|
20
|
17
|
15
|
15
|
16
|
17
|
15
|
11
|
15
|
15
|
15
|
19
|
19
|
|
|
2023/08
|
16
|
17
|
18
|
24
|
26
|
31
|
31
|
28
|
24
|
26
|
27
|
27
|
29
|
27
|
25
|
22
|
23
|
22
|
18
|
17
|
14
|
14
|
19
|
19
|
19
|
19
|
21
|
22
|
21
|
19
|
20
|
|
2023/07
|
21
|
18
|
20
|
19
|
19
|
16
|
14
|
13
|
15
|
16
|
18
|
17
|
17
|
20
|
22
|
19
|
25
|
26
|
21
|
20
|
15
|
14
|
15
|
16
|
13
|
16
|
16
|
23
|
24
|
19
|
16
|
|
2023/06
|
24
|
26
|
24
|
19
|
18
|
20
|
20
|
22
|
26
|
26
|
27
|
23
|
26
|
25
|
25
|
25
|
22
|
24
|
23
|
20
|
21
|
23
|
22
|
24
|
23
|
19
|
14
|
15
|
15
|
19
|
|
|
2023/05
|
31
|
27
|
26
|
22
|
24
|
30
|
36
|
30
|
21
|
16
|
15
|
15
|
15
|
21
|
23
|
20
|
29
|
45
|
43
|
35
|
37
|
32
|
32
|
29
|
26
|
21
|
15
|
23
|
28
|
25
|
20
|
|
2023/04
|
26
|
24
|
21
|
25
|
23
|
20
|
24
|
23
|
34
|
40
|
39
|
38
|
38
|
39
|
31
|
30
|
28
|
30
|
39
|
45
|
52
|
45
|
29
|
19
|
27
|
28
|
28
|
25
|
23
|
28
|
|
|
2023/03
|
35
|
49
|
50
|
52
|
59
|
42
|
35
|
31
|
32
|
36
|
35
|
35
|
49
|
48
|
33
|
29
|
28
|
27
|
25
|
21
|
24
|
32
|
30
|
24
|
22
|
19
|
25
|
19
|
20
|
26
|
26
|
|
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