No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Everyone can continue their outdoor activities normally.
Today
27 Apr
Mon
28 Apr
Tue
29 Apr
Wed
30 Apr
Thu
1 May
Fri
2 May
Sat
3 May
东寨港
288
PM2.5
28
PM10
53
O3
0.4
CO
3
SO2
3
NO2
海南大学
236
PM2.5
12
PM10
72
O3
0.3
CO
2
SO2
3
NO2
秀英海南医院
287
PM2.5
18
PM10
87
O3
0.3
CO
4
SO2
7
NO2
龙华路环保局宿舍
248
PM2.5
18
PM10
74
O3
0.3
CO
4
SO2
7
NO2
桂林洋子站
206
PM2.5
12
PM10
62
O3
0.2
CO
4
SO2
6
NO2
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
|
|
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
|
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
|
*: primary pollution