Air Quality
Excellent
No health implications.
6
PM2.5
15
PM10
26
O3
0.7
CO
10
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Aug
39
Excellent
Wed
26 Aug
41
Excellent
Thu
27 Aug
38
Excellent
Fri
28 Aug
37
Excellent
Sat
29 Aug
39
Excellent
Sun
30 Aug
37
Excellent
Mon
31 Aug
18
Excellent
Air quality in the last 12 months (Menghai)
|
2026/07
|
18
|
20
|
25
|
21
|
20
|
20
|
20
|
21
|
18
|
17
|
24
|
22
|
27
|
24
|
26
|
27
|
27
|
25
|
25
|
18
|
23
|
25
|
21
|
20
|
19
|
17
|
16
|
20
|
18
|
17
|
17
|
|
2026/06
|
29
|
29
|
27
|
25
|
28
|
28
|
18
|
19
|
20
|
22
|
18
|
20
|
18
|
20
|
20
|
20
|
18
|
22
|
20
|
17
|
22
|
19
|
20
|
25
|
27
|
26
|
23
|
31
|
24
|
21
|
|
|
2026/05
|
37
|
28
|
30
|
39
|
32
|
32
|
36
|
37
|
35
|
21
|
23
|
23
|
31
|
33
|
25
|
25
|
34
|
36
|
41
|
42
|
42
|
34
|
29
|
21
|
28
|
39
|
45
|
40
|
29
|
29
|
26
|
|
2026/04
|
76
|
86
|
91
|
85
|
96
|
100
|
96
|
58
|
54
|
54
|
58
|
65
|
89
|
100
|
124
|
85
|
78
|
80
|
73
|
59
|
76
|
78
|
71
|
75
|
80
|
52
|
46
|
34
|
52
|
45
|
|
|
2026/03
|
66
|
72
|
69
|
87
|
105
|
83
|
67
|
82
|
79
|
45
|
39
|
45
|
32
|
45
|
47
|
35
|
49
|
60
|
67
|
68
|
70
|
52
|
56
|
78
|
107
|
96
|
123
|
143
|
89
|
74
|
82
|
|
2026/02
|
54
|
54
|
52
|
54
|
57
|
47
|
50
|
51
|
52
|
45
|
52
|
52
|
49
|
42
|
49
|
74
|
131
|
67
|
58
|
51
|
52
|
53
|
46
|
62
|
49
|
35
|
42
|
59
|
|||
|
2026/01
|
49
|
42
|
39
|
36
|
38
|
42
|
38
|
27
|
34
|
43
|
40
|
45
|
48
|
51
|
53
|
52
|
52
|
51
|
54
|
53
|
48
|
47
|
43
|
51
|
52
|
52
|
53
|
53
|
56
|
57
|
55
|
|
2025/12
|
45
|
48
|
44
|
42
|
36
|
41
|
47
|
34
|
35
|
39
|
40
|
38
|
39
|
39
|
37
|
37
|
38
|
28
|
30
|
38
|
35
|
38
|
39
|
40
|
39
|
40
|
39
|
39
|
40
|
43
|
44
|
|
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
|
|
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