Hainan - China   2025-07-12   Saturday   19.26N, 109.05E

Changjiang

Hainan - China
2025-07-12

Air Quality

Excellent

No health implications.

7

PM2.5

19

PM10

45

O3

0.3

CO

6

SO2

3

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

12 Jul

32 Excellent

Sun

13 Jul

33 Excellent

Mon

14 Jul

33 Excellent

Tue

15 Jul

33 Excellent

Wed

16 Jul

31 Excellent

Thu

17 Jul

30 Excellent

Fri

18 Jul

22 Excellent

Changjiang Air quality rank

Monthly Average AQI (Changjiang)

2020/07 - 2025/06

Air quality in the last 12 months (Changjiang)

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
2024/08
18
17
17
17
18
16
18
18
18
19
20
18
15
15
15
18
16
17
19
16
17
17
16
16
15
13
14
17
18
20
14
2024/07
15
17
17
13
12
13
13
14
15
19
16
14
15
13
13
12
10
11
15
11
8
7
16
16
15
17
18
17
15
16
16
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