Hainan - China   2025-09-10   Wednesday   19.26N, 109.05E

Changjiang

Hainan - China
2025-09-10

Air Quality

Excellent

No health implications.

4

PM2.5

18

PM10

16

O3

0.5

CO

6

SO2

7

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

10 Sep

31 Excellent

Thu

11 Sep

29 Excellent

Fri

12 Sep

35 Excellent

Sat

13 Sep

34 Excellent

Sun

14 Sep

32 Excellent

Mon

15 Sep

31 Excellent

Tue

16 Sep

23 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