Air Quality
Excellent
No health implications.
6
PM2.5
9
PM10
25
O3
0.5
CO
5
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Dec
50
Excellent
Fri
26 Dec
60
Good
Sat
27 Dec
81
Good
Sun
28 Dec
84
Good
Mon
29 Dec
86
Good
Tue
30 Dec
34
Excellent
Wed
31 Dec
37
Excellent
Air quality in the last 12 months (Mengshan)
|
2025/11
|
37
|
32
|
14
|
7
|
14
|
31
|
29
|
16
|
13
|
12
|
12
|
40
|
36
|
37
|
48
|
51
|
57
|
26
|
26
|
30
|
35
|
42
|
52
|
52
|
48
|
54
|
58
|
67
|
64
|
59
|
|
|
2025/10
|
37
|
30
|
31
|
33
|
22
|
15
|
20
|
35
|
34
|
40
|
48
|
46
|
30
|
34
|
32
|
35
|
45
|
33
|
16
|
12
|
12
|
14
|
24
|
38
|
44
|
52
|
44
|
47
|
54
|
53
|
39
|
|
2025/09
|
29
|
27
|
29
|
35
|
33
|
33
|
32
|
21
|
12
|
20
|
19
|
23
|
31
|
33
|
28
|
26
|
23
|
30
|
36
|
29
|
14
|
15
|
20
|
15
|
9
|
16
|
25
|
29
|
32
|
36
|
|
|
2025/08
|
26
|
23
|
21
|
26
|
22
|
17
|
17
|
25
|
34
|
40
|
40
|
39
|
37
|
34
|
13
|
23
|
20
|
14
|
13
|
18
|
22
|
26
|
30
|
26
|
23
|
22
|
32
|
24
|
25
|
21
|
28
|
|
2025/07
|
17
|
16
|
23
|
29
|
38
|
30
|
37
|
30
|
36
|
26
|
24
|
23
|
25
|
27
|
29
|
28
|
35
|
39
|
32
|
25
|
12
|
12
|
14
|
21
|
31
|
40
|
43
|
37
|
37
|
29
|
25
|
|
2025/06
|
30
|
22
|
20
|
39
|
45
|
33
|
28
|
26
|
24
|
16
|
21
|
18
|
18
|
16
|
17
|
18
|
13
|
14
|
18
|
18
|
19
|
20
|
24
|
26
|
28
|
28
|
19
|
19
|
18
|
20
|
|
|
2025/05
|
35
|
47
|
39
|
25
|
26
|
28
|
30
|
28
|
20
|
40
|
37
|
45
|
51
|
49
|
34
|
21
|
15
|
14
|
15
|
22
|
28
|
26
|
24
|
34
|
43
|
36
|
41
|
39
|
12
|
23
|
26
|
|
2025/04
|
39
|
57
|
70
|
90
|
115
|
80
|
85
|
89
|
90
|
67
|
53
|
110
|
259
|
159
|
109
|
97
|
92
|
77
|
55
|
36
|
40
|
38
|
34
|
31
|
18
|
29
|
31
|
30
|
49
|
49
|
|
|
2025/03
|
44
|
42
|
56
|
24
|
19
|
17
|
31
|
41
|
36
|
40
|
62
|
54
|
37
|
35
|
14
|
31
|
40
|
34
|
44
|
54
|
63
|
75
|
83
|
84
|
86
|
66
|
54
|
65
|
15
|
13
|
21
|
|
2025/02
|
26
|
15
|
17
|
44
|
63
|
48
|
22
|
65
|
43
|
61
|
99
|
80
|
66
|
91
|
75
|
32
|
32
|
31
|
37
|
35
|
18
|
21
|
13
|
51
|
82
|
66
|
55
|
57
|
|||
|
2025/01
|
93
|
92
|
83
|
97
|
108
|
99
|
81
|
80
|
71
|
49
|
54
|
70
|
84
|
79
|
76
|
72
|
70
|
72
|
82
|
83
|
92
|
88
|
89
|
76
|
85
|
16
|
46
|
52
|
124
|
100
|
59
|
|
2024/12
|
69
|
71
|
69
|
71
|
92
|
51
|
22
|
37
|
73
|
76
|
27
|
49
|
47
|
66
|
47
|
50
|
70
|
58
|
69
|
89
|
86
|
93
|
100
|
93
|
103
|
100
|
91
|
88
|
89
|
112
|
109
|
|
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