Air Quality
Excellent
No health implications.
6
PM2.5
23
PM10
46
O3
0.6
CO
7
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Jul
34
Excellent
Tue
15 Jul
37
Excellent
Wed
16 Jul
32
Excellent
Thu
17 Jul
31
Excellent
Fri
18 Jul
36
Excellent
Sat
19 Jul
30
Excellent
Sun
20 Jul
17
Excellent
Air quality in the last 12 months (Menghai)
|
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
|
|
|
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
|
|
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