Air Quality
Excellent
No health implications.
8
PM2.5
17
PM10
36
O3
0.6
CO
9
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Jul
39
Excellent
Sat
11 Jul
40
Excellent
Sun
12 Jul
38
Excellent
Mon
13 Jul
38
Excellent
Tue
14 Jul
41
Excellent
Wed
15 Jul
37
Excellent
Thu
16 Jul
21
Excellent
Air quality in the last 12 months (Menghai)
|
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
|
|
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
|
|
|
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