Air Quality
Excellent
No health implications.
12
PM2.5
18
PM10
39
O3
0.4
CO
8
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Nov
34
Excellent
Sat
23 Nov
36
Excellent
Sun
24 Nov
35
Excellent
Mon
25 Nov
35
Excellent
Tue
26 Nov
34
Excellent
Wed
27 Nov
36
Excellent
Air quality in the last 12 months (Menglian)
|
2024/10
|
18
|
12
|
17
|
19
|
20
|
24
|
28
|
27
|
27
|
25
|
25
|
25
|
30
|
35
|
36
|
34
|
26
|
37
|
41
|
36
|
27
|
28
|
29
|
32
|
30
|
33
|
37
|
39
|
40
|
39
|
39
|
|
2024/09
|
21
|
24
|
23
|
24
|
22
|
21
|
28
|
25
|
20
|
16
|
14
|
16
|
23
|
20
|
26
|
26
|
26
|
22
|
26
|
33
|
37
|
32
|
28
|
28
|
30
|
26
|
21
|
20
|
21
|
20
|
|
|
2024/08
|
13
|
12
|
16
|
19
|
16
|
15
|
15
|
22
|
19
|
18
|
18
|
20
|
24
|
23
|
24
|
24
|
23
|
18
|
17
|
15
|
16
|
13
|
14
|
14
|
15
|
18
|
17
|
18
|
18
|
20
|
17
|
|
2024/07
|
16
|
17
|
18
|
13
|
17
|
19
|
17
|
20
|
16
|
17
|
11
|
14
|
24
|
17
|
16
|
21
|
22
|
21
|
16
|
14
|
12
|
12
|
13
|
16
|
16
|
15
|
16
|
16
|
16
|
14
|
15
|
|
2024/06
|
39
|
28
|
30
|
33
|
38
|
25
|
22
|
23
|
30
|
34
|
33
|
21
|
17
|
17
|
23
|
29
|
37
|
29
|
30
|
30
|
26
|
23
|
23
|
20
|
17
|
17
|
14
|
17
|
20
|
16
|
|
|
2024/05
|
77
|
60
|
50
|
62
|
70
|
61
|
65
|
58
|
57
|
38
|
32
|
42
|
45
|
49
|
48
|
45
|
40
|
38
|
43
|
54
|
32
|
36
|
31
|
27
|
19
|
18
|
20
|
19
|
33
|
43
|
48
|
|
2024/04
|
85
|
83
|
93
|
85
|
83
|
113
|
108
|
107
|
102
|
85
|
83
|
88
|
82
|
97
|
101
|
93
|
95
|
54
|
72
|
62
|
59
|
64
|
69
|
74
|
59
|
64
|
74
|
69
|
78
|
85
|
|
|
2024/03
|
57
|
59
|
66
|
60
|
53
|
48
|
54
|
78
|
83
|
85
|
78
|
84
|
88
|
86
|
83
|
100
|
112
|
86
|
81
|
81
|
64
|
38
|
42
|
53
|
47
|
61
|
75
|
81
|
79
|
102
|
105
|
|
2024/02
|
51
|
67
|
73
|
62
|
61
|
53
|
59
|
70
|
77
|
115
|
50
|
56
|
52
|
54
|
54
|
54
|
50
|
54
|
54
|
51
|
58
|
63
|
64
|
62
|
67
|
60
|
62
|
58
|
60
|
||
|
2024/01
|
41
|
41
|
40
|
37
|
42
|
43
|
47
|
49
|
51
|
50
|
55
|
57
|
52
|
45
|
44
|
32
|
30
|
29
|
44
|
54
|
50
|
51
|
57
|
41
|
43
|
38
|
45
|
42
|
43
|
42
|
43
|
|
2023/12
|
42
|
42
|
36
|
34
|
34
|
33
|
33
|
28
|
29
|
29
|
31
|
30
|
35
|
41
|
39
|
38
|
40
|
42
|
38
|
35
|
31
|
30
|
37
|
33
|
34
|
38
|
43
|
46
|
45
|
39
|
42
|
|
2023/11
|
28
|
29
|
21
|
27
|
30
|
32
|
32
|
32
|
31
|
31
|
31
|
32
|
33
|
29
|
23
|
24
|
18
|
25
|
24
|
25
|
26
|
29
|
28
|
28
|
33
|
35
|
33
|
40
|
41
|
43
|
|
|
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