Hainan - China   2025-07-26   Saturday   20.05N, 110.20E

Haikou

Hainan - China
2025-07-26

Air Quality

Excellent

No health implications.

3

PM2.5

10

PM10

79

O3

0.3

CO

5

SO2

5

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

26 Jul

38 Excellent

Sun

27 Jul

30 Excellent

Mon

28 Jul

31 Excellent

Tue

29 Jul

31 Excellent

Wed

30 Jul

36 Excellent

Thu

31 Jul

36 Excellent

Fri

1 Aug

50 Excellent

Real-time AQI (Monitoring Station in Haikou)

海南大学

22

3

PM2.5

7

PM10

70

O3

0.3

CO

3

SO2

2

NO2

秀英海南医院

25

3

PM2.5

12

PM10

77

O3

0.2

CO

6

SO2

6

NO2

海南师范大学

30

3

PM2.5

13

PM10

93

O3

0.3

CO

4

SO2

5

NO2

龙华路环保局宿舍

24

3

PM2.5

7

PM10

75

O3

0.2

CO

5

SO2

4

NO2

Monthly Average AQI (Haikou)

2020/07 - 2025/06

Air quality in the last 12 months (Haikou)

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
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
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