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
11 Jun
Thu
12 Jun
Fri
13 Jun
Sat
14 Jun
Sun
15 Jun
Mon
16 Jun
Tue
17 Jun
Real-time AQI (Monitoring Station in Haikou)
东寨港
208
PM2.5
20
PM10
33
O3
0.5
CO
3
SO2
4
NO2
海南大学
156
PM2.5
15
PM10
30
O3
0.3
CO
2
SO2
3
NO2
秀英海南医院
123
PM2.5
12
PM10
30
O3
0.2
CO
4
SO2
5
NO2
海南师范大学
163
PM2.5
16
PM10
38
O3
0.4
CO
3
SO2
2
NO2
龙华路环保局宿舍
148
PM2.5
14
PM10
34
O3
0.2
CO
4
SO2
4
NO2
桂林洋子站
166
PM2.5
16
PM10
34
O3
0.2
CO
4
SO2
3
NO2
Air quality in the last 12 months (Haikou)
|
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
|
|
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
|
|
|
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