Hainan - China   2025-07-26   Saturday   19.26N, 109.05E

Changjiang

Hainan - China
2025-07-26

Air Quality

Excellent

No health implications.

9

PM2.5

14

PM10

23

O3

0.5

CO

4

SO2

5

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

26 Jul

35 Excellent

Sun

27 Jul

39 Excellent

Mon

28 Jul

35 Excellent

Tue

29 Jul

35 Excellent

Wed

30 Jul

36 Excellent

Thu

31 Jul

33 Excellent

Fri

1 Aug

17 Excellent

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