Air Quality
Excellent
No health implications.
7
PM2.5
12
PM10
31
O3
0.6
CO
7
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Sep
35
Excellent
Wed
1 Oct
34
Excellent
Thu
2 Oct
38
Excellent
Fri
3 Oct
38
Excellent
Sat
4 Oct
35
Excellent
Sun
5 Oct
35
Excellent
Mon
6 Oct
29
Excellent
Air quality in the last 12 months (Menglian)
|
2025/08
|
20
|
24
|
21
|
20
|
23
|
19
|
15
|
19
|
19
|
21
|
26
|
24
|
25
|
24
|
24
|
22
|
23
|
20
|
25
|
21
|
20
|
17
|
18
|
23
|
21
|
26
|
21
|
19
|
18
|
23
|
23
|
|
2025/07
|
21
|
17
|
19
|
19
|
17
|
19
|
19
|
21
|
26
|
26
|
19
|
22
|
24
|
19
|
18
|
17
|
18
|
15
|
19
|
21
|
21
|
22
|
24
|
17
|
13
|
16
|
15
|
19
|
23
|
19
|
23
|
|
2025/06
|
19
|
20
|
30
|
50
|
48
|
46
|
34
|
31
|
30
|
20
|
33
|
42
|
40
|
31
|
19
|
17
|
14
|
15
|
20
|
27
|
26
|
18
|
16
|
19
|
24
|
22
|
20
|
14
|
16
|
24
|
|
|
2025/05
|
30
|
23
|
29
|
30
|
34
|
40
|
50
|
51
|
56
|
57
|
45
|
32
|
35
|
35
|
29
|
32
|
30
|
28
|
32
|
34
|
31
|
33
|
32
|
36
|
18
|
15
|
25
|
22
|
19
|
20
|
18
|
|
2025/04
|
112
|
77
|
69
|
103
|
115
|
102
|
92
|
84
|
86
|
79
|
75
|
70
|
34
|
40
|
38
|
33
|
26
|
32
|
43
|
42
|
42
|
47
|
60
|
66
|
72
|
87
|
87
|
77
|
44
|
33
|
|
|
2025/03
|
51
|
66
|
62
|
69
|
79
|
82
|
75
|
64
|
59
|
56
|
69
|
73
|
84
|
80
|
80
|
88
|
94
|
67
|
38
|
44
|
64
|
74
|
71
|
61
|
62
|
66
|
85
|
119
|
131
|
120
|
133
|
|
2025/02
|
74
|
83
|
74
|
59
|
56
|
69
|
66
|
54
|
44
|
46
|
51
|
54
|
60
|
64
|
75
|
72
|
62
|
60
|
66
|
70
|
63
|
69
|
65
|
50
|
43
|
41
|
47
|
55
|
|||
|
2025/01
|
44
|
40
|
41
|
46
|
54
|
57
|
52
|
48
|
51
|
53
|
57
|
42
|
47
|
48
|
49
|
49
|
51
|
50
|
49
|
46
|
45
|
47
|
50
|
43
|
40
|
51
|
34
|
51
|
82
|
63
|
58
|
|
2024/12
|
32
|
32
|
35
|
34
|
34
|
37
|
41
|
42
|
43
|
42
|
46
|
49
|
41
|
40
|
27
|
29
|
33
|
33
|
37
|
40
|
41
|
49
|
38
|
44
|
45
|
45
|
47
|
49
|
42
|
42
|
43
|
|
2024/11
|
37
|
38
|
40
|
37
|
34
|
28
|
27
|
15
|
20
|
24
|
25
|
29
|
28
|
25
|
27
|
30
|
34
|
32
|
35
|
34
|
30
|
24
|
33
|
36
|
36
|
34
|
32
|
26
|
25
|
25
|
|
|
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
|
|
|
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