Hainan - China   2025-03-31   Monday   20.05N, 110.20E

Haikou

Hainan - China
2025-03-31

Air Quality

Excellent

No health implications.

23

PM2.5

31

PM10

42

O3

0.7

CO

4

SO2

12

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

31 Mar

52 Good

Tue

1 Apr

50 Excellent

Wed

2 Apr

50 Excellent

Thu

3 Apr

49 Excellent

Fri

4 Apr

50 Excellent

Sat

5 Apr

46 Excellent

Sun

6 Apr

33 Excellent

Real-time AQI (Monitoring Station in Haikou)

东寨港

19

13

PM2.5

17

PM10

14

O3

0.7

CO

2

SO2

8

NO2

海南大学

39

27

PM2.5

30

PM10

45

O3

0.7

CO

2

SO2

14

NO2

秀英海南医院

35

24

PM2.5

33

PM10

46

O3

0.6

CO

4

SO2

16

NO2

海南师范大学

40

26

PM2.5

40

PM10

48

O3

0.8

CO

4

SO2

11

NO2

龙华路环保局宿舍

39

27

PM2.5

38

PM10

45

O3

0.8

CO

5

SO2

13

NO2

桂林洋子站

25

16

PM2.5

25

PM10

49

O3

0.4

CO

2

SO2

8

NO2

Monthly Average AQI (Haikou)

2020/03 - 2025/02

Air quality in the last 12 months (Haikou)

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
  • Excellent
  • Good
  • Lightly
  • Moderately
  • Heavily
  • Severely
Air quality source: CNEMC

*: primary pollution