Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
34
PM2.5
59
*
PM10
39
O3
0.6
CO
5
SO2
15
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
17 Jan
36
Excellent
Sun
18 Jan
41
Excellent
Mon
19 Jan
37
Excellent
Tue
20 Jan
54
Good
Wed
21 Jan
56
Good
Thu
22 Jan
51
Good
Fri
23 Jan
25
Excellent
Air quality in the last 12 months (Menghai)
|
2025/11
|
25
|
18
|
18
|
20
|
20
|
26
|
28
|
24
|
18
|
18
|
26
|
31
|
27
|
26
|
28
|
31
|
30
|
22
|
17
|
23
|
24
|
27
|
31
|
31
|
32
|
36
|
43
|
46
|
46
|
46
|
|
|
2025/10
|
19
|
20
|
22
|
33
|
24
|
23
|
20
|
19
|
21
|
26
|
26
|
35
|
33
|
27
|
23
|
19
|
19
|
28
|
30
|
32
|
34
|
29
|
28
|
27
|
25
|
21
|
21
|
26
|
31
|
30
|
29
|
|
2025/09
|
20
|
28
|
23
|
22
|
26
|
27
|
27
|
26
|
27
|
23
|
17
|
18
|
17
|
20
|
20
|
24
|
23
|
24
|
22
|
28
|
25
|
21
|
22
|
20
|
26
|
26
|
21
|
25
|
24
|
16
|
|
|
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
|
|
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