Air Quality
Excellent
No health implications.
31
PM2.5
36
PM10
105
O3
0.4
CO
7
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Apr
89
Good
Sun
21 Apr
90
Good
Mon
22 Apr
90
Good
Tue
23 Apr
87
Good
Wed
24 Apr
85
Good
Thu
25 Apr
85
Good
Fri
26 Apr
85
Good
Air quality in the last 12 months (Mengzi)
|
2024/02
|
37
|
35
|
42
|
48
|
48
|
48
|
52
|
53
|
44
|
76
|
56
|
39
|
40
|
40
|
47
|
44
|
43
|
41
|
47
|
43
|
51
|
55
|
57
|
37
|
30
|
40
|
35
|
44
|
41
|
||
|
2024/01
|
51
|
43
|
43
|
28
|
26
|
33
|
29
|
37
|
42
|
47
|
27
|
24
|
30
|
26
|
26
|
25
|
23
|
32
|
31
|
39
|
38
|
30
|
41
|
25
|
35
|
26
|
32
|
21
|
32
|
23
|
28
|
|
2023/12
|
50
|
19
|
16
|
21
|
22
|
33
|
38
|
26
|
23
|
25
|
29
|
29
|
21
|
28
|
28
|
35
|
25
|
25
|
27
|
45
|
62
|
63
|
66
|
81
|
85
|
54
|
53
|
48
|
50
|
47
|
44
|
|
2023/11
|
32
|
28
|
32
|
26
|
27
|
39
|
17
|
14
|
19
|
21
|
25
|
24
|
25
|
15
|
19
|
27
|
46
|
45
|
52
|
62
|
35
|
40
|
47
|
45
|
50
|
53
|
52
|
48
|
51
|
50
|
|
|
2023/10
|
17
|
25
|
22
|
26
|
26
|
25
|
17
|
27
|
27
|
30
|
29
|
29
|
25
|
17
|
24
|
27
|
27
|
25
|
31
|
42
|
39
|
31
|
33
|
31
|
26
|
28
|
31
|
25
|
23
|
26
|
28
|
|
2023/09
|
41
|
37
|
41
|
33
|
31
|
22
|
23
|
31
|
29
|
30
|
25
|
23
|
23
|
30
|
35
|
32
|
20
|
19
|
17
|
14
|
16
|
16
|
20
|
22
|
26
|
31
|
22
|
20
|
16
|
19
|
|
|
2023/08
|
15
|
24
|
28
|
29
|
24
|
28
|
26
|
26
|
18
|
27
|
27
|
21
|
29
|
23
|
24
|
20
|
20
|
26
|
41
|
36
|
19
|
15
|
17
|
13
|
12
|
13
|
21
|
30
|
27
|
30
|
35
|
|
2023/07
|
19
|
17
|
17
|
18
|
25
|
11
|
14
|
16
|
17
|
18
|
18
|
17
|
14
|
17
|
39
|
50
|
46
|
43
|
30
|
21
|
21
|
19
|
23
|
20
|
23
|
22
|
27
|
28
|
36
|
26
|
21
|
|
2023/06
|
38
|
40
|
33
|
29
|
30
|
30
|
28
|
26
|
38
|
47
|
51
|
43
|
44
|
28
|
19
|
27
|
29
|
29
|
26
|
26
|
20
|
17
|
21
|
31
|
30
|
29
|
28
|
21
|
18
|
18
|
|
|
2023/05
|
33
|
40
|
36
|
38
|
35
|
38
|
44
|
44
|
30
|
36
|
33
|
37
|
38
|
48
|
28
|
31
|
44
|
46
|
42
|
53
|
51
|
45
|
45
|
58
|
40
|
31
|
34
|
36
|
31
|
32
|
37
|
|
2023/04
|
58
|
84
|
60
|
54
|
49
|
59
|
132
|
64
|
82
|
124
|
97
|
98
|
123
|
131
|
98
|
92
|
111
|
99
|
93
|
109
|
91
|
65
|
90
|
105
|
80
|
30
|
47
|
57
|
53
|
34
|
|
|
2023/03
|
86
|
69
|
75
|
53
|
54
|
81
|
83
|
90
|
60
|
90
|
86
|
44
|
44
|
62
|
71
|
47
|
59
|
67
|
68
|
66
|
47
|
47
|
47
|
51
|
83
|
105
|
73
|
45
|
58
|
51
|
51
|
|
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