Hainan - China   2025-04-28   Monday   20.03N, 110.33E

Longhua

Hainan - China
2025-04-28

Air Quality

Excellent

No health implications.

17

PM2.5

20

PM10

28

O3

0.3

CO

4

SO2

11

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

28 Apr

48 Excellent

Tue

29 Apr

47 Excellent

Wed

30 Apr

45 Excellent

Thu

1 May

45 Excellent

Fri

2 May

42 Excellent

Sat

3 May

48 Excellent

Sun

4 May

21 Excellent

Monthly Average AQI (Longhua)

2020/03 - 2025/02

Air quality in the last 12 months (Longhua)

2025/02
33
17
34
25
29
39
43
35
54
42
36
28
38
26
22
21
36
50
44
36
39
26
33
29
30
45
41
29
2025/01
66
52
65
54
61
71
49
53
69
63
46
43
44
45
44
57
59
50
49
57
43
55
51
42
34
36
36
33
50
51
52
2024/12
39
35
34
33
40
45
56
40
40
32
36
47
44
44
60
43
39
47
49
53
53
47
54
56
51
47
69
69
58
49
57
2024/11
49
43
38
38
44
48
54
47
49
52
45
46
48
48
39
40
26
31
27
12
15
29
32
35
30
28
39
42
40
42
2024/10
27
31
43
45
36
38
39
52
62
53
38
34
32
23
18
14
16
17
19
28
32
38
30
34
39
46
28
29
26
34
43
2024/09
11
14
16
26
25
22
21
30
26
21
15
20
22
18
30
32
25
28
22
15
16
15
14
17
21
28
26
21
18
18
2024/08
23
23
22
21
21
22
25
27
25
30
28
27
22
22
24
20
16
19
27
23
21
21
19
21
17
21
18
22
26
20
16
2024/07
19
20
19
15
10
14
12
13
16
18
18
19
16
17
18
17
13
14
17
16
14
15
15
18
17
17
25
25
19
18
20
2024/06
15
22
18
18
25
16
14
23
20
20
20
20
21
24
25
28
24
24
28
26
23
13
12
13
14
16
13
14
16
16
2024/05
28
18
21
21
26
34
26
22
31
34
31
28
20
28
33
31
40
19
16
19
18
14
14
16
17
18
23
21
27
27
18
2024/04
40
29
30
32
24
33
34
33
33
30
42
36
36
35
42
32
28
38
31
31
29
26
28
39
28
38
46
39
34
37
2024/03
15
17
31
26
40
47
40
35
39
35
26
22
31
43
53
40
29
31
27
41
51
46
34
33
42
34
40
35
33
26
32
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