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
25 Dec
Thu
26 Dec
Fri
27 Dec
Sat
28 Dec
Sun
29 Dec
Mon
30 Dec
Tue
31 Dec
Real-time AQI (Monitoring Station in Haikou)
东寨港
4229
PM2.5
35
PM10
112
O3
0.6
CO
11
SO2
6
NO2
秀英海南医院
5236 *
PM2.5
52
PM10
126
O3
0.5
CO
4
SO2
20
NO2
海南师范大学
5035
PM2.5
50
PM10
128
O3
0.6
CO
5
SO2
16
NO2
龙华路环保局宿舍
5134
PM2.5
51 *
PM10
127
O3
0.6
CO
6
SO2
15
NO2
桂林洋子站
5033
PM2.5
50
PM10
124
O3
0.4
CO
5
SO2
13
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