Hainan - China   2025-09-14   Sunday   18.30N, 109.45E

Tianya

Hainan - China
2025-09-14

Air Quality

Excellent

No health implications.

3

PM2.5

6

PM10

19

O3

0.5

CO

4

SO2

5

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

14 Sep

30 Excellent

Mon

15 Sep

35 Excellent

Tue

16 Sep

35 Excellent

Wed

17 Sep

38 Excellent

Thu

18 Sep

37 Excellent

Fri

19 Sep

35 Excellent

Sat

20 Sep

23 Excellent

Tianya Air quality rank

Monthly Average AQI (Tianya)

2020/09 - 2025/08

Air quality in the last 12 months (Tianya)

2025/08
37
33
34
24
32
34
30
24
26
17
19
22
16
20
13
15
9
12
19
23
20
13
12
14
21
16
12
16
17
14
14
2025/07
16
10
13
14
16
14
14
22
23
25
22
19
22
23
21
18
18
19
17
14
25
19
14
13
15
20
16
15
24
22
29
2025/06
19
20
19
21
17
15
18
22
21
25
19
8
20
19
18
25
23
17
16
17
16
13
13
14
10
9
13
13
16
19
2025/05
24
19
23
20
17
18
21
16
23
17
15
24
17
11
12
11
17
18
16
17
17
11
12
14
15
17
10
16
14
16
13
2025/04
12
17
26
29
34
22
23
25
27
26
26
25
34
99
98
96
81
40
24
20
21
21
20
21
22
19
11
18
18
22
2025/03
23
18
19
17
18
15
10
11
24
25
25
23
18
16
18
16
12
12
25
39
37
35
30
32
34
26
27
19
23
14
11
2025/02
20
16
18
12
18
28
27
12
28
33
18
17
25
9
9
12
19
32
43
32
32
18
12
10
11
22
29
26
2025/01
47
42
42
41
46
55
42
37
40
56
42
44
34
16
17
49
53
44
39
41
33
33
31
28
23
21
17
34
37
31
25
2024/12
32
28
24
23
27
30
36
40
23
24
16
19
11
24
46
37
33
35
40
39
39
39
24
35
30
13
16
37
49
35
33
2024/11
30
38
20
13
29
32
27
37
42
34
19
19
25
25
23
24
22
18
19
9
9
12
13
9
17
18
18
29
32
31
2024/10
18
29
29
34
34
29
14
36
49
44
27
26
23
14
11
9
11
12
15
17
16
23
33
27
30
23
17
11
7
7
26
2024/09
12
12
14
18
24
17
30
23
21
14
13
14
12
11
15
18
17
15
8
9
14
11
9
8
15
14
15
13
13
13
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