Hainan - China   2025-09-18   Thursday   20.05N, 110.20E

Haikou

Hainan - China
2025-09-18

Air Quality

Excellent

No health implications.

8

PM2.5

19

PM10

39

O3

0.2

CO

5

SO2

7

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

18 Sep

30 Excellent

Fri

19 Sep

27 Excellent

Sat

20 Sep

56 Good

Sun

21 Sep

54 Good

Mon

22 Sep

78 Good

Tue

23 Sep

88 Good

Wed

24 Sep

20 Excellent

Real-time AQI (Monitoring Station in Haikou)

秀英海南医院

18

7

PM2.5

18

PM10

41

O3

0.2

CO

5

SO2

6

NO2

龙华路环保局宿舍

20

8

PM2.5

20

PM10

44

O3

0.1

CO

5

SO2

5

NO2

桂林洋子站

19

7

PM2.5

19

PM10

32

O3

0.2

CO

4

SO2

10

NO2

Monthly Average AQI (Haikou)

2020/09 - 2025/08

Air quality in the last 12 months (Haikou)

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
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
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
Air quality source: CNEMC

*: primary pollution