Hainan - China   2025-07-26   Saturday   19.74N, 110.01E

Chengmai

Hainan - China
2025-07-26

Air Quality

Excellent

No health implications.

5

PM2.5

13

PM10

65

O3

0.4

CO

5

SO2

5

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

26 Jul

38 Excellent

Sun

27 Jul

30 Excellent

Mon

28 Jul

32 Excellent

Tue

29 Jul

31 Excellent

Wed

30 Jul

35 Excellent

Thu

31 Jul

35 Excellent

Fri

1 Aug

32 Excellent

Monthly Average AQI (Chengmai)

2020/07 - 2025/06

Air quality in the last 12 months (Chengmai)

2025/06
20
20
27
27
15
16
20
23
20
23
18
13
10
11
16
17
21
17
15
16
17
13
14
14
11
10
13
15
16
16
2025/05
23
21
27
26
21
25
23
18
23
18
24
38
24
14
12
16
14
18
18
18
18
16
18
15
27
37
29
20
16
13
12
2025/04
21
33
30
32
34
20
35
33
39
37
35
36
145
166
133
106
84
51
37
30
25
29
27
31
32
24
18
27
28
26
2025/03
29
27
33
33
32
14
12
15
32
39
33
25
20
23
29
17
33
39
48
49
43
42
37
43
43
41
43
40
18
9
15
2025/02
30
19
30
25
26
35
42
32
53
42
30
19
28
23
18
22
32
45
43
33
36
22
22
27
23
31
35
28
2025/01
66
48
60
50
58
71
46
52
62
65
49
45
42
33
41
56
58
49
51
56
42
52
43
38
28
30
30
32
47
44
41
2024/12
39
34
34
31
35
37
51
39
38
29
33
47
42
43
58
44
38
48
48
51
50
50
54
55
55
45
63
64
59
44
57
2024/11
48
43
33
28
42
47
51
47
51
47
46
42
49
52
40
35
28
28
26
8
16
28
30
29
23
27
34
38
40
44
2024/10
30
31
42
47
39
41
29
54
63
54
38
31
29
19
16
11
11
15
18
26
29
35
30
34
38
45
22
28
17
30
42
2024/09
14
16
16
24
28
18
14
26
22
16
12
19
23
21
26
27
21
21
15
11
15
12
12
14
21
30
27
21
21
22
2024/08
20
21
18
20
21
22
22
23
22
25
24
24
21
21
21
20
16
16
22
19
19
19
19
21
17
20
17
20
24
22
15
2024/07
18
19
16
12
12
12
12
13
15
18
17
16
14
14
14
14
11
12
14
14
13
10
13
17
15
15
22
23
18
16
18
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