Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
6 Dec
Sun
7 Dec
Mon
8 Dec
Tue
9 Dec
Wed
10 Dec
Thu
11 Dec
Fri
12 Dec
Haikou Air quality rank
Real-time AQI (Monitoring Station in Haikou)
海南大学
7958 *
PM2.5
86
PM10
144
O3
0.6
CO
7
SO2
15
NO2
秀英海南医院
8563 *
PM2.5
66
PM10
140
O3
0.4
CO
8
SO2
15
NO2
海南师范大学
7857 *
PM2.5
69
PM10
137
O3
0.7
CO
6
SO2
18
NO2
龙华路环保局宿舍
8059 *
PM2.5
70
PM10
152
O3
0.9
CO
8
SO2
18
NO2
桂林洋子站
8462 *
PM2.5
91
PM10
126
O3
0.6
CO
8
SO2
15
NO2
Air quality in the last 12 months (Haikou)
|
2025/11
|
39
|
44
|
46
|
22
|
21
|
29
|
17
|
18
|
34
|
36
|
34
|
27
|
49
|
33
|
40
|
44
|
39
|
49
|
27
|
32
|
37
|
40
|
51
|
53
|
46
|
52
|
50
|
54
|
59
|
44
|
|
|
2025/10
|
16
|
14
|
15
|
16
|
22
|
18
|
20
|
16
|
21
|
27
|
24
|
15
|
12
|
12
|
18
|
23
|
24
|
30
|
33
|
28
|
23
|
21
|
22
|
32
|
39
|
40
|
36
|
40
|
42
|
28
|
46
|
|
2025/09
|
13
|
15
|
12
|
14
|
14
|
14
|
20
|
17
|
18
|
17
|
18
|
13
|
13
|
16
|
20
|
14
|
15
|
17
|
21
|
22
|
22
|
11
|
24
|
23
|
18
|
19
|
27
|
18
|
23
|
20
|
|
|
2025/08
|
26
|
29
|
34
|
33
|
27
|
33
|
30
|
23
|
27
|
21
|
20
|
22
|
23
|
19
|
17
|
16
|
19
|
9
|
17
|
21
|
21
|
16
|
20
|
20
|
19
|
17
|
15
|
16
|
18
|
16
|
13
|
|
2025/07
|
16
|
13
|
12
|
13
|
18
|
18
|
19
|
24
|
26
|
25
|
20
|
21
|
25
|
27
|
32
|
27
|
22
|
27
|
19
|
12
|
10
|
18
|
23
|
16
|
18
|
18
|
22
|
17
|
20
|
20
|
20
|
|
2025/06
|
22
|
22
|
29
|
24
|
11
|
16
|
20
|
23
|
21
|
23
|
20
|
17
|
14
|
15
|
20
|
19
|
24
|
19
|
17
|
18
|
17
|
15
|
15
|
15
|
13
|
11
|
12
|
17
|
16
|
17
|
|
|
2025/05
|
26
|
22
|
28
|
26
|
22
|
25
|
22
|
16
|
25
|
20
|
27
|
36
|
29
|
18
|
12
|
16
|
16
|
19
|
19
|
20
|
20
|
17
|
17
|
15
|
33
|
41
|
33
|
23
|
16
|
13
|
14
|
|
2025/04
|
23
|
36
|
31
|
34
|
40
|
31
|
43
|
37
|
37
|
36
|
28
|
34
|
150
|
167
|
148
|
120
|
80
|
52
|
38
|
27
|
29
|
29
|
31
|
30
|
29
|
25
|
17
|
29
|
37
|
34
|
|
|
2025/03
|
28
|
25
|
29
|
25
|
22
|
14
|
22
|
25
|
37
|
50
|
43
|
30
|
25
|
21
|
24
|
20
|
37
|
42
|
52
|
51
|
47
|
46
|
38
|
41
|
42
|
36
|
35
|
29
|
21
|
11
|
18
|
|
2025/02
|
32
|
18
|
33
|
23
|
28
|
38
|
42
|
34
|
54
|
43
|
36
|
27
|
34
|
25
|
20
|
21
|
33
|
50
|
44
|
37
|
37
|
27
|
33
|
28
|
32
|
45
|
39
|
28
|
|||
|
2025/01
|
65
|
51
|
64
|
53
|
61
|
76
|
48
|
54
|
67
|
61
|
44
|
41
|
44
|
45
|
43
|
57
|
59
|
50
|
51
|
63
|
43
|
56
|
50
|
40
|
32
|
32
|
34
|
34
|
50
|
49
|
49
|
|
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
|
|
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