Hainan - China   2025-09-16   Tuesday   18.41N, 109.76E

Haitang

Hainan - China
2025-09-16

Air Quality

Excellent

No health implications.

3

PM2.5

13

PM10

52

O3

0.2

CO

3

SO2

4

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

16 Sep

15 Excellent

Wed

17 Sep

14 Excellent

Thu

18 Sep

15 Excellent

Fri

19 Sep

41 Excellent

Sat

20 Sep

40 Excellent

Sun

21 Sep

38 Excellent

Mon

22 Sep

24 Excellent

Monthly Average AQI (Haitang)

2020/09 - 2025/08

Air quality in the last 12 months (Haitang)

2025/08
40
40
39
26
34
47
49
32
24
22
24
24
23
21
14
9
9
7
12
26
25
16
21
34
40
16
20
16
16
48
35
2025/07
16
12
12
16
14
16
15
19
20
28
27
21
21
21
22
21
19
21
19
18
14
18
21
13
19
20
17
13
16
19
28
2025/06
20
22
22
21
17
16
18
22
20
21
15
15
22
10
17
19
19
16
17
12
14
11
11
16
11
10
12
11
24
17
2025/05
24
20
24
19
16
17
15
14
22
16
17
31
20
12
15
13
15
17
14
18
15
12
11
11
16
19
11
12
14
16
14
2025/04
19
25
33
32
32
23
27
29
25
26
23
25
52
122
107
104
86
44
27
22
20
21
19
20
21
17
11
19
19
23
2025/03
23
19
22
19
19
14
17
19
31
37
35
30
21
16
18
20
19
23
38
48
47
41
38
37
32
24
24
22
21
18
26
2025/02
28
20
23
22
27
36
39
24
45
46
36
22
32
26
12
17
24
43
51
42
40
29
19
25
29
39
33
28
2025/01
55
45
48
44
52
60
46
43
47
62
46
53
42
23
33
59
60
51
50
47
40
39
40
33
26
26
26
41
56
45
37
2024/12
37
32
31
30
34
39
42
45
32
30
24
32
21
30
52
45
39
44
49
47
48
48
35
43
31
24
27
48
57
45
47
2024/11
35
37
14
15
37
39
32
49
42
28
28
31
38
33
24
28
21
23
30
15
16
25
23
19
27
32
28
37
45
39
2024/10
19
29
36
41
39
31
18
45
55
41
29
30
27
18
14
13
14
15
17
22
26
33
34
34
37
23
32
20
10
11
25
2024/09
12
13
15
21
25
12
21
29
24
17
14
13
20
12
17
19
17
18
16
12
19
13
8
14
17
15
16
15
14
12
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