Hainan - China   2025-10-20   Monday   20.05N, 110.20E

Haikou

Hainan - China
2025-10-20

Air Quality

Excellent

No health implications.

13

PM2.5

24

PM10

104

O3

0.4

CO

7

SO2

6

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

20 Oct

99 Good

Tue

21 Oct

42 Excellent

Wed

22 Oct

47 Excellent

Thu

23 Oct

68 Good

Fri

24 Oct

67 Good

Sat

25 Oct

65 Good

Sun

26 Oct

28 Excellent

Real-time AQI (Monitoring Station in Haikou)

海南大学

33

12

PM2.5

21

PM10

103

O3

0.4

CO

6

SO2

4

NO2

秀英海南医院

32

12

PM2.5

27

PM10

102

O3

0.4

CO

7

SO2

6

NO2

海南师范大学

34

12

PM2.5

26

PM10

106

O3

0.5

CO

6

SO2

6

NO2

龙华路环保局宿舍

33

12

PM2.5

25

PM10

104

O3

0.3

CO

8

SO2

7

NO2

桂林洋子站

32

17

PM2.5

17

PM10

102

O3

0.3

CO

7

SO2

6

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