Hainan - China   2025-07-02   Wednesday   20.05N, 110.20E

Haikou

Hainan - China
2025-07-02

Air Quality

Excellent

No health implications.

9

PM2.5

17

PM10

24

O3

0.5

CO

4

SO2

11

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

2 Jul

28 Excellent

Thu

3 Jul

30 Excellent

Fri

4 Jul

27 Excellent

Sat

5 Jul

26 Excellent

Sun

6 Jul

31 Excellent

Mon

7 Jul

18 Excellent

Tue

8 Jul

16 Excellent

Haikou Air quality rank

Real-time AQI (Monitoring Station in Haikou)

海南大学

16

9

PM2.5

16

PM10

28

O3

0.4

CO

3

SO2

9

NO2

秀英海南医院

18

9

PM2.5

18

PM10

19

O3

0.4

CO

5

SO2

15

NO2

海南师范大学

16

9

PM2.5

16

PM10

20

O3

0.7

CO

4

SO2

14

NO2

龙华路环保局宿舍

18

9

PM2.5

18

PM10

26

O3

0.3

CO

4

SO2

11

NO2

桂林洋子站

17

6

PM2.5

17

PM10

26

O3

0.3

CO

4

SO2

3

NO2

Monthly Average AQI (Haikou)

2020/06 - 2025/05

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
Air quality source: CNEMC

*: primary pollution