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
26 Dec
Fri
27 Dec
Sat
28 Dec
Sun
29 Dec
Mon
30 Dec
Tue
31 Dec
Wed
1 Jan
Real-time AQI (Monitoring Station in Haikou)
东寨港
3826
PM2.5
35
PM10
87
O3
0.5
CO
10
SO2
6
NO2
海南大学
5335
PM2.5
56 *
PM10
110
O3
0.5
CO
6
SO2
14
NO2
秀英海南医院
4833
PM2.5
42
PM10
113
O3
0.4
CO
4
SO2
15
NO2
海南师范大学
4632
PM2.5
41
PM10
113
O3
0.5
CO
5
SO2
13
NO2
龙华路环保局宿舍
4632
PM2.5
38
PM10
113
O3
0.5
CO
6
SO2
12
NO2
桂林洋子站
5236 *
PM2.5
51
PM10
104
O3
0.4
CO
5
SO2
11
NO2
Air quality in the last 12 months (Haikou)
|
2024/11
|
50
|
43
|
36
|
37
|
43
|
49
|
54
|
47
|
52
|
51
|
46
|
46
|
52
|
53
|
41
|
41
|
23
|
31
|
27
|
10
|
17
|
28
|
33
|
32
|
30
|
27
|
36
|
40
|
39
|
46
|
|
|
2024/10
|
29
|
30
|
43
|
46
|
37
|
40
|
39
|
54
|
63
|
53
|
39
|
34
|
31
|
23
|
18
|
15
|
15
|
18
|
20
|
28
|
33
|
40
|
28
|
35
|
41
|
47
|
28
|
30
|
26
|
35
|
44
|
|
2024/09
|
12
|
16
|
17
|
26
|
27
|
23
|
19
|
31
|
26
|
21
|
13
|
20
|
23
|
20
|
29
|
30
|
24
|
25
|
21
|
15
|
17
|
14
|
17
|
17
|
21
|
31
|
26
|
22
|
19
|
19
|
|
|
2024/08
|
23
|
23
|
22
|
22
|
22
|
23
|
25
|
27
|
25
|
30
|
28
|
26
|
21
|
22
|
24
|
22
|
16
|
18
|
25
|
22
|
21
|
22
|
20
|
23
|
18
|
23
|
19
|
21
|
27
|
21
|
17
|
|
2024/07
|
20
|
21
|
18
|
15
|
11
|
12
|
12
|
14
|
15
|
17
|
19
|
17
|
15
|
17
|
16
|
16
|
13
|
14
|
16
|
17
|
14
|
13
|
15
|
19
|
17
|
17
|
25
|
26
|
19
|
17
|
20
|
|
2024/06
|
16
|
21
|
18
|
19
|
23
|
19
|
16
|
22
|
21
|
19
|
19
|
21
|
23
|
25
|
25
|
30
|
25
|
25
|
26
|
24
|
21
|
14
|
13
|
13
|
16
|
15
|
14
|
16
|
16
|
21
|
|
|
2024/05
|
30
|
19
|
21
|
22
|
27
|
33
|
26
|
23
|
32
|
35
|
31
|
29
|
22
|
29
|
33
|
32
|
40
|
19
|
15
|
20
|
18
|
15
|
14
|
20
|
18
|
19
|
23
|
23
|
25
|
28
|
18
|
|
2024/04
|
38
|
31
|
30
|
31
|
26
|
36
|
36
|
36
|
34
|
30
|
42
|
35
|
37
|
35
|
38
|
33
|
27
|
35
|
32
|
32
|
29
|
26
|
30
|
37
|
28
|
39
|
47
|
40
|
35
|
38
|
|
|
2024/03
|
16
|
17
|
28
|
25
|
38
|
46
|
42
|
34
|
38
|
35
|
24
|
22
|
29
|
44
|
52
|
38
|
28
|
30
|
29
|
43
|
51
|
46
|
33
|
33
|
42
|
34
|
40
|
36
|
32
|
27
|
34
|
|
2024/02
|
21
|
20
|
22
|
21
|
19
|
21
|
29
|
12
|
19
|
58
|
54
|
48
|
41
|
33
|
34
|
37
|
32
|
20
|
22
|
36
|
29
|
30
|
34
|
35
|
29
|
33
|
31
|
35
|
29
|
||
|
2024/01
|
52
|
46
|
42
|
39
|
39
|
37
|
38
|
44
|
44
|
43
|
35
|
41
|
37
|
35
|
32
|
42
|
37
|
33
|
28
|
26
|
31
|
29
|
15
|
31
|
39
|
52
|
47
|
24
|
33
|
34
|
25
|
|
2023/12
|
46
|
49
|
48
|
49
|
71
|
45
|
31
|
38
|
37
|
23
|
19
|
23
|
37
|
26
|
28
|
24
|
18
|
28
|
31
|
29
|
34
|
39
|
50
|
44
|
45
|
46
|
53
|
46
|
33
|
39
|
73
|
|
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