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
6 Dec
Thu
7 Dec
Fri
8 Dec
Sat
9 Dec
Sun
10 Dec
Mon
11 Dec
Tue
12 Dec
Real-time AQI (Monitoring Station in Haikou)
桂林洋子站
287
PM2.5
10
PM10
87
O3
0.6
CO
4
SO2
12
NO2
龙华路环保局宿舍
2614
PM2.5
16
PM10
81
O3
0.7
CO
8
SO2
15
NO2
海南师范大学
2612
PM2.5
13
PM10
83
O3
0.7
CO
6
SO2
16
NO2
秀英海南医院
2612
PM2.5
15
PM10
81
O3
0.7
CO
7
SO2
16
NO2
Air quality in the last 12 months (Haikou)
|
2023/10
|
24
|
29
|
24
|
28
|
31
|
37
|
38
|
37
|
26
|
17
|
19
|
35
|
37
|
38
|
58
|
48
|
43
|
25
|
20
|
16
|
23
|
36
|
38
|
35
|
30
|
25
|
15
|
17
|
31
|
38
|
47
|
|
2023/09
|
41
|
34
|
24
|
25
|
33
|
28
|
25
|
21
|
17
|
19
|
19
|
18
|
20
|
17
|
20
|
14
|
13
|
15
|
17
|
17
|
16
|
18
|
16
|
19
|
14
|
12
|
15
|
24
|
20
|
19
|
|
|
2023/08
|
19
|
19
|
14
|
18
|
24
|
28
|
27
|
23
|
25
|
30
|
25
|
17
|
26
|
27
|
22
|
28
|
28
|
29
|
28
|
19
|
18
|
19
|
21
|
22
|
23
|
26
|
27
|
24
|
22
|
26
|
33
|
|
2023/07
|
22
|
19
|
18
|
19
|
20
|
26
|
14
|
16
|
15
|
21
|
19
|
20
|
17
|
18
|
23
|
24
|
26
|
25
|
20
|
20
|
16
|
16
|
15
|
16
|
18
|
18
|
20
|
27
|
32
|
23
|
19
|
|
2023/06
|
36
|
27
|
26
|
20
|
17
|
19
|
18
|
18
|
21
|
22
|
21
|
27
|
27
|
23
|
27
|
21
|
25
|
21
|
23
|
24
|
23
|
23
|
22
|
23
|
24
|
20
|
16
|
18
|
19
|
20
|
|
|
2023/05
|
34
|
30
|
25
|
26
|
27
|
34
|
36
|
23
|
25
|
29
|
17
|
17
|
21
|
25
|
28
|
23
|
38
|
49
|
49
|
37
|
38
|
37
|
49
|
33
|
26
|
25
|
16
|
29
|
27
|
32
|
29
|
|
2023/04
|
27
|
28
|
24
|
28
|
27
|
35
|
35
|
29
|
52
|
36
|
38
|
38
|
39
|
35
|
31
|
49
|
43
|
35
|
37
|
46
|
50
|
35
|
29
|
18
|
31
|
26
|
27
|
25
|
27
|
29
|
|
|
2023/03
|
33
|
53
|
54
|
54
|
55
|
46
|
42
|
36
|
37
|
43
|
42
|
34
|
65
|
52
|
36
|
30
|
35
|
32
|
28
|
24
|
35
|
46
|
45
|
31
|
27
|
23
|
21
|
26
|
28
|
31
|
29
|
|
2023/02
|
32
|
36
|
50
|
32
|
31
|
27
|
23
|
20
|
27
|
25
|
20
|
22
|
21
|
28
|
31
|
41
|
34
|
36
|
35
|
59
|
51
|
46
|
33
|
44
|
65
|
40
|
42
|
34
|
|||
|
2023/01
|
40
|
42
|
58
|
47
|
48
|
51
|
53
|
33
|
31
|
16
|
28
|
27
|
18
|
19
|
23
|
25
|
30
|
32
|
49
|
51
|
43
|
56
|
39
|
43
|
60
|
38
|
37
|
56
|
56
|
54
|
45
|
|
2022/12
|
20
|
16
|
27
|
35
|
32
|
34
|
36
|
38
|
40
|
33
|
41
|
57
|
58
|
55
|
34
|
20
|
43
|
42
|
36
|
44
|
46
|
49
|
47
|
40
|
39
|
35
|
34
|
44
|
76
|
61
|
45
|
|
2022/11
|
46
|
43
|
28
|
22
|
20
|
23
|
23
|
19
|
31
|
30
|
27
|
23
|
22
|
24
|
33
|
33
|
31
|
26
|
27
|
38
|
29
|
11
|
12
|
17
|
22
|
24
|
17
|
19
|
18
|
22
|
|
|
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