Yunnan - China   2025-07-20   Sunday   24.89N, 102.80E

Chenggong

Yunnan - China
2025-07-20

Air Quality

Excellent

No health implications.

12

PM2.5

17

PM10

23

O3

0.6

CO

2

SO2

42

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

20 Jul

53 Good

Mon

21 Jul

31 Excellent

Tue

22 Jul

39 Excellent

Wed

23 Jul

34 Excellent

Thu

24 Jul

39 Excellent

Fri

25 Jul

39 Excellent

Sat

26 Jul

32 Excellent

Monthly Average AQI (Chenggong)

2020/07 - 2025/06

Air quality in the last 12 months (Chenggong)

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
2024/08
36
30
22
19
17
17
18
18
14
23
36
51
55
46
38
38
37
40
35
46
37
23
19
22
26
17
23
27
28
33
30
2024/07
15
20
13
12
17
15
15
14
17
17
14
16
15
16
19
19
20
19
20
20
15
15
21
27
21
23
33
28
26
18
24
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