Hainan - China   2021-12-09   Thursday   18.41N, 109.76E

Haitang

Hainan - China
2021-12-09

Air Quality

Good

Some pollutants may slightly affect very few hypersensitive individuals.

18

PM2.5

60 *

PM10

94

O3

0.3

CO

3

SO2

7

NO2

Some pollutants may slightly affect very few hypersensitive individuals.

Advise

Only very few hypersensitive people should reduce outdoor activities.

Air Quality

Today

9 Dec

63 Good

Fri

10 Dec

64 Good

Sat

11 Dec

61 Good

Sun

12 Dec

63 Good

Mon

13 Dec

66 Good

Tue

14 Dec

61 Good

Wed

15 Dec

66 Good

Monthly Average AQI (Haitang)

2017/01 - 2021/11

Air quality in the last 12 months (Haitang)

2021/11
28
28
26
31
22
22
19
23
31
37
34
35
48
42
40
31
35
48
41
23
24
21
18
29
34
43
43
42
48
52
2021/10
28
21
19
24
16
38
13
13
15
18
21
23
20
21
16
21
23
21
22
18
19
14
20
27
31
28
23
14
19
27
29
2021/09
17
18
14
16
13
13
12
12
16
22
21
18
20
22
17
18
18
17
20
14
16
13
15
22
17
17
19
29
28
27
2021/08
22
23
24
22
26
30
32
33
28
27
27
22
19
21
18
21
21
20
18
17
14
14
16
19
19
16
12
16
17
15
14
2021/07
29
29
27
26
22
21
16
19
18
17
16
19
20
17
17
19
25
21
22
22
17
18
19
14
16
15
21
25
27
26
27
2021/06
26
26
26
35
34
27
20
24
23
22
23
15
21
27
21
26
26
24
25
29
31
35
43
34
28
27
26
28
26
31
2021/05
24
18
18
25
24
18
22
24
22
21
19
20
15
17
18
20
18
15
20
18
17
17
16
15
18
18
17
20
20
24
28
2021/04
21
19
18
20
24
34
37
33
27
28
31
26
22
21
19
19
20
24
30
48
43
32
30
29
23
25
20
24
26
29
2021/03
22
25
28
28
23
21
21
22
27
31
33
37
31
40
41
34
31
23
18
19
24
25
33
32
27
41
28
21
20
23
23
2021/02
28
27
27
39
36
31
27
27
28
17
24
38
31
31
30
28
30
39
39
34
34
29
25
24
19
17
16
17
2021/01
40
39
35
30
28
40
30
22
27
27
27
29
44
42
46
37
48
85
68
44
36
30
34
43
30
34
33
41
55
44
38
2020/12
31
34
35
35
39
41
44
47
47
40
29
30
32
37
29
19
19
23
26
36
44
39
33
38
39
34
35
32
29
45
42
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