Yunnan - China   2025-09-27   Saturday   24.89N, 102.80E

Chenggong

Yunnan - China
2025-09-27

Air Quality

Excellent

No health implications.

3

PM2.5

6

PM10

33

O3

0.4

CO

4

SO2

11

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

27 Sep

38 Excellent

Sun

28 Sep

37 Excellent

Mon

29 Sep

31 Excellent

Tue

30 Sep

30 Excellent

Wed

1 Oct

30 Excellent

Thu

2 Oct

42 Excellent

Fri

3 Oct

48 Excellent

Monthly Average AQI (Chenggong)

2020/09 - 2025/08

Air quality in the last 12 months (Chenggong)

2025/08
30
31
18
18
33
29
14
9
13
14
13
15
20
41
30
11
12
21
29
22
10
8
10
11
11
12
15
16
15
14
22
2025/07
12
9
16
16
16
17
22
10
16
20
21
28
37
25
33
34
27
27
15
23
19
16
11
11
16
15
17
26
41
29
19
2025/06
13
18
18
22
25
32
31
35
29
32
32
39
45
43
15
21
14
8
11
17
21
10
15
8
9
14
15
17
16
16
2025/05
40
25
25
21
25
28
29
34
46
36
26
31
30
31
28
26
34
30
37
29
37
32
52
31
20
18
17
17
15
15
12
2025/04
33
53
89
84
93
79
77
68
63
71
58
49
70
60
55
27
26
33
34
38
33
29
40
50
50
62
65
63
33
33
2025/03
45
47
51
49
52
51
39
55
49
44
53
64
67
72
63
41
32
25
38
47
66
64
53
49
41
46
46
89
119
73
64
2025/02
49
51
31
43
51
52
33
43
49
35
41
55
58
59
60
62
41
39
47
54
63
56
61
32
33
31
32
43
2025/01
31
40
46
37
35
48
35
31
47
23
22
47
39
43
78
72
42
31
73
45
42
34
32
25
28
32
43
54
70
33
32
2024/12
18
28
17
22
26
24
26
40
16
23
29
26
48
42
38
26
25
29
37
29
29
23
30
29
29
40
40
35
31
24
47
2024/11
30
32
48
36
44
47
30
22
22
37
27
20
20
25
35
28
37
32
32
29
17
26
18
17
19
34
25
32
22
18
2024/10
13
21
30
26
21
26
44
36
31
16
19
22
23
29
25
19
17
31
40
30
21
29
30
36
38
36
49
45
53
44
36
2024/09
26
26
25
21
20
36
34
18
14
15
19
21
32
38
35
27
24
24
27
36
33
22
25
44
42
40
30
22
23
26
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