Hainan - China   2025-10-25   Saturday   19.26N, 109.05E

Changjiang

Hainan - China
2025-10-25

Air Quality

Excellent

No health implications.

21

PM2.5

31

PM10

66

O3

0.4

CO

5

SO2

8

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

25 Oct

40 Excellent

Sun

26 Oct

39 Excellent

Mon

27 Oct

37 Excellent

Tue

28 Oct

41 Excellent

Wed

29 Oct

45 Excellent

Thu

30 Oct

30 Excellent

Fri

31 Oct

18 Excellent

Monthly Average AQI (Changjiang)

2020/09 - 2025/08

Air quality in the last 12 months (Changjiang)

2025/08
29
29
33
27
27
23
24
24
23
22
18
18
17
18
13
12
12
11
16
20
19
16
14
15
13
16
13
17
13
12
13
2025/07
12
10
10
14
14
13
11
14
19
21
18
16
18
19
18
21
17
18
15
12
14
12
14
11
14
19
13
12
17
15
21
2025/06
17
21
23
29
21
19
20
19
20
22
20
10
13
14
16
18
19
18
18
17
17
13
14
11
10
12
12
11
14
14
2025/05
22
18
23
26
23
25
24
22
22
19
21
34
27
15
17
12
12
17
18
19
19
16
18
18
21
30
25
19
15
19
13
2025/04
21
31
31
31
38
19
26
30
36
38
38
36
100
130
103
87
85
51
32
28
29
27
28
32
35
27
22
24
21
20
2025/03
30
29
30
38
43
21
12
13
25
30
31
25
25
26
30
21
27
35
40
46
43
41
36
41
43
42
49
49
30
13
15
2025/02
27
25
28
24
26
29
34
28
48
41
30
20
25
13
16
23
33
33
44
34
36
24
15
22
17
22
26
32
2025/01
65
48
56
49
57
66
47
49
56
64
49
49
38
24
34
55
59
48
51
53
45
42
34
33
26
25
25
36
48
36
26
2024/12
35
31
26
26
29
36
43
40
33
29
26
39
36
41
54
46
37
47
46
47
49
50
50
54
53
41
54
54
59
43
55
2024/11
40
41
33
19
38
42
44
45
42
41
34
30
35
33
32
25
31
24
27
11
16
22
24
23
17
24
27
36
36
34
2024/10
25
29
36
41
38
38
22
48
54
50
36
29
29
16
14
12
10
12
16
20
23
28
32
29
33
35
17
17
10
20
34
2024/09
16
12
13
18
26
16
15
19
19
12
13
17
17
18
21
25
19
18
9
11
15
13
10
11
20
24
22
17
18
19
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