Air Quality
Excellent
No health implications.
14
PM2.5
34
PM10
59
O3
0.4
CO
6
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Apr
53
Good
Thu
17 Apr
52
Good
Fri
18 Apr
53
Good
Sat
19 Apr
57
Good
Sun
20 Apr
86
Good
Mon
21 Apr
82
Good
Tue
22 Apr
36
Excellent
Air quality in the last 12 months (Menghai)
|
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
|
|
|
2024/05
|
78
|
58
|
50
|
61
|
67
|
72
|
72
|
55
|
57
|
34
|
32
|
38
|
45
|
49
|
46
|
38
|
36
|
33
|
36
|
51
|
28
|
33
|
28
|
22
|
16
|
15
|
21
|
17
|
31
|
44
|
46
|
|
2024/04
|
100
|
95
|
108
|
96
|
92
|
134
|
131
|
124
|
117
|
88
|
77
|
86
|
77
|
118
|
115
|
77
|
73
|
47
|
71
|
60
|
65
|
65
|
74
|
78
|
51
|
63
|
78
|
74
|
83
|
84
|
|
|
2024/03
|
65
|
65
|
75
|
65
|
57
|
50
|
59
|
97
|
104
|
100
|
80
|
90
|
93
|
93
|
89
|
107
|
132
|
102
|
96
|
76
|
50
|
37
|
43
|
55
|
50
|
65
|
82
|
95
|
85
|
112
|
126
|
|
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