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 Jan
Mon
27 Jan
Tue
28 Jan
Wed
29 Jan
Thu
30 Jan
Fri
31 Jan
Sat
1 Feb
Real-time AQI (Monitoring Station in Haikou)
东寨港
256
PM2.5
25
PM10
33
O3
0.8
CO
13
SO2
8
NO2
海南大学
3014
PM2.5
30
PM10
36
O3
1.0
CO
6
SO2
12
NO2
秀英海南医院
2515
PM2.5
25
PM10
37
O3
0.9
CO
4
SO2
10
NO2
海南师范大学
2914
PM2.5
29
PM10
37
O3
1.0
CO
6
SO2
9
NO2
龙华路环保局宿舍
3214
PM2.5
32
PM10
36
O3
1.0
CO
6
SO2
14
NO2
桂林洋子站
1610
PM2.5
16
PM10
38
O3
0.8
CO
4
SO2
6
NO2
Air quality in the last 12 months (Haikou)
|
2024/12
|
40
|
34
|
34
|
32
|
38
|
42
|
55
|
38
|
39
|
32
|
36
|
46
|
42
|
41
|
56
|
42
|
42
|
46
|
48
|
51
|
48
|
46
|
54
|
57
|
51
|
49
|
66
|
68
|
59
|
48
|
58
|
|
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
|
|
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