Air Quality
Excellent
No health implications.
18
PM2.5
23
PM10
25
O3
0.8
CO
11
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Nov
31
Excellent
Fri
8 Nov
38
Excellent
Sat
9 Nov
31
Excellent
Sun
10 Nov
33
Excellent
Mon
11 Nov
35
Excellent
Tue
12 Nov
33
Excellent
Wed
13 Nov
33
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