Yunnan - China   2025-09-27   Saturday   21.96N, 100.45E

Menghai

Yunnan - China
2025-09-27

Air Quality

Excellent

No health implications.

14

PM2.5

25

PM10

26

O3

0.7

CO

6

SO2

10

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

27 Sep

38 Excellent

Sun

28 Sep

33 Excellent

Mon

29 Sep

32 Excellent

Tue

30 Sep

38 Excellent

Wed

1 Oct

38 Excellent

Thu

2 Oct

31 Excellent

Fri

3 Oct

15 Excellent

Monthly Average AQI (Menghai)

2020/09 - 2025/08

Air quality in the last 12 months (Menghai)

2025/08
20
26
22
21
27
18
15
20
19
21
25
21
26
26
26
23
22
23
26
22
20
16
16
26
23
27
18
16
17
23
24
2025/07
24
18
18
21
19
20
21
22
31
33
20
22
23
18
20
19
18
17
21
21
23
22
24
15
14
17
17
20
26
20
27
2025/06
21
22
24
47
49
45
33
28
29
21
33
45
37
33
20
17
15
16
20
27
27
18
17
19
26
22
21
15
16
24
2025/05
26
21
31
33
37
40
51
52
58
56
37
24
32
31
24
25
24
24
29
31
28
29
28
31
17
14
22
24
21
23
19
2025/04
108
59
58
94
116
93
83
71
80
74
75
85
38
41
34
31
28
33
43
39
40
47
59
62
71
86
86
75
41
28
2025/03
49
65
61
76
85
88
73
56
52
53
66
71
78
77
84
106
110
54
24
36
58
70
74
66
69
77
89
121
132
114
138
2025/02
77
91
83
60
50
68
68
54
37
41
55
56
63
62
77
72
66
63
68
72
60
69
67
41
30
33
45
57
2025/01
42
36
42
48
55
64
57
50
56
58
61
40
47
50
52
51
55
54
51
49
47
51
50
40
37
45
29
55
76
65
60
2024/12
31
34
36
37
36
39
41
41
44
43
43
48
42
40
26
29
34
34
39
44
41
44
41
49
48
47
46
50
42
42
42
2024/11
37
38
44
43
37
30
31
13
19
23
27
32
30
27
28
33
37
34
38
38
33
22
33
38
39
38
34
24
22
24
2024/10
18
11
16
21
23
29
32
32
30
27
26
25
30
36
33
34
27
38
40
36
31
29
30
34
33
37
38
41
48
46
43
2024/09
20
22
24
24
25
19
24
19
17
11
13
13
23
19
23
25
21
18
22
30
34
31
29
29
31
29
22
23
20
23
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