Air Quality
Excellent
No health implications.
11
PM2.5
25
PM10
13
O3
0.6
CO
6
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jun
31
Excellent
Fri
20 Jun
34
Excellent
Sat
21 Jun
37
Excellent
Sun
22 Jun
36
Excellent
Mon
23 Jun
32
Excellent
Tue
24 Jun
48
Excellent
Wed
25 Jun
37
Excellent
Air quality in the last 12 months (Menghai)
|
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
|
|
|
2024/08
|
10
|
12
|
18
|
19
|
18
|
14
|
14
|
22
|
18
|
16
|
17
|
19
|
16
|
18
|
18
|
22
|
18
|
15
|
15
|
14
|
15
|
11
|
14
|
13
|
14
|
16
|
15
|
18
|
18
|
20
|
17
|
|
2024/07
|
15
|
17
|
18
|
13
|
17
|
18
|
17
|
18
|
17
|
16
|
10
|
13
|
25
|
17
|
15
|
20
|
22
|
23
|
15
|
11
|
12
|
13
|
13
|
16
|
15
|
15
|
14
|
16
|
15
|
14
|
11
|
|
2024/06
|
33
|
22
|
24
|
27
|
33
|
21
|
18
|
20
|
26
|
28
|
29
|
17
|
19
|
18
|
25
|
23
|
37
|
27
|
24
|
25
|
24
|
22
|
22
|
19
|
16
|
17
|
13
|
17
|
21
|
15
|
|
|
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