Air Quality
Excellent
No health implications.
18
PM2.5
26
PM10
88
O3
0.2
CO
4
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 May
64
Good
Tue
13 May
62
Good
Wed
14 May
38
Excellent
Thu
15 May
60
Good
Fri
16 May
57
Good
Sat
17 May
56
Good
Sun
18 May
26
Excellent
Air quality in the last 12 months (Mengzi)
|
2025/02
|
50
|
57
|
43
|
44
|
49
|
53
|
40
|
26
|
25
|
31
|
41
|
54
|
40
|
39
|
48
|
52
|
37
|
27
|
30
|
35
|
27
|
30
|
31
|
20
|
27
|
23
|
37
|
44
|
|||
|
2025/01
|
53
|
50
|
63
|
81
|
73
|
88
|
78
|
86
|
62
|
43
|
43
|
57
|
52
|
61
|
75
|
78
|
76
|
89
|
54
|
53
|
83
|
98
|
52
|
42
|
43
|
40
|
44
|
46
|
52
|
48
|
46
|
|
2024/12
|
36
|
42
|
34
|
31
|
31
|
19
|
22
|
19
|
20
|
25
|
35
|
27
|
23
|
39
|
79
|
37
|
29
|
40
|
60
|
63
|
64
|
56
|
61
|
59
|
66
|
82
|
80
|
54
|
33
|
48
|
37
|
|
2024/11
|
31
|
49
|
54
|
49
|
47
|
54
|
45
|
54
|
59
|
43
|
40
|
33
|
34
|
36
|
29
|
30
|
45
|
45
|
46
|
46
|
47
|
41
|
39
|
40
|
37
|
36
|
22
|
32
|
55
|
65
|
|
|
2024/10
|
18
|
20
|
28
|
23
|
29
|
32
|
38
|
39
|
36
|
35
|
32
|
41
|
42
|
29
|
29
|
16
|
14
|
22
|
28
|
22
|
26
|
28
|
26
|
40
|
39
|
36
|
45
|
53
|
44
|
27
|
25
|
|
2024/09
|
26
|
18
|
15
|
24
|
29
|
28
|
30
|
11
|
15
|
11
|
19
|
25
|
23
|
26
|
24
|
24
|
20
|
23
|
28
|
38
|
31
|
21
|
26
|
28
|
28
|
33
|
32
|
21
|
16
|
14
|
|
|
2024/08
|
11
|
15
|
13
|
15
|
11
|
12
|
12
|
11
|
9
|
13
|
35
|
46
|
22
|
34
|
34
|
30
|
32
|
29
|
33
|
33
|
14
|
10
|
11
|
24
|
15
|
12
|
16
|
24
|
26
|
24
|
17
|
|
2024/07
|
10
|
13
|
10
|
9
|
12
|
13
|
12
|
13
|
12
|
11
|
9
|
12
|
11
|
12
|
12
|
10
|
10
|
11
|
12
|
11
|
11
|
13
|
20
|
17
|
16
|
22
|
22
|
20
|
15
|
16
|
16
|
|
2024/06
|
26
|
20
|
15
|
20
|
22
|
14
|
8
|
13
|
17
|
22
|
10
|
6
|
8
|
13
|
11
|
14
|
22
|
19
|
25
|
20
|
20
|
17
|
17
|
20
|
21
|
12
|
10
|
11
|
11
|
12
|
|
|
2024/05
|
72
|
52
|
39
|
48
|
63
|
38
|
39
|
35
|
21
|
23
|
29
|
35
|
29
|
20
|
30
|
23
|
23
|
27
|
27
|
27
|
41
|
28
|
26
|
25
|
20
|
11
|
12
|
12
|
19
|
31
|
28
|
|
2024/04
|
50
|
51
|
65
|
71
|
71
|
90
|
85
|
65
|
49
|
56
|
58
|
59
|
72
|
55
|
82
|
89
|
86
|
61
|
60
|
47
|
50
|
56
|
53
|
55
|
40
|
50
|
60
|
61
|
67
|
61
|
|
|
2024/03
|
20
|
26
|
48
|
54
|
35
|
43
|
84
|
63
|
46
|
43
|
43
|
44
|
57
|
60
|
62
|
77
|
96
|
79
|
63
|
31
|
38
|
37
|
35
|
47
|
51
|
57
|
62
|
67
|
55
|
71
|
72
|
|
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