Air Quality
Excellent
No health implications.
18
PM2.5
34
PM10
43
O3
0.6
CO
6
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Feb
156
Moderate
Wed
18 Feb
84
Good
Thu
19 Feb
59
Good
Fri
20 Feb
74
Good
Sat
21 Feb
74
Good
Sun
22 Feb
70
Good
Mon
23 Feb
35
Excellent
Air quality in the last 12 months (Mengshan)
|
2026/01
|
37
|
18
|
37
|
60
|
25
|
40
|
49
|
57
|
54
|
66
|
57
|
67
|
84
|
87
|
84
|
93
|
90
|
80
|
72
|
29
|
23
|
24
|
40
|
63
|
87
|
76
|
30
|
56
|
68
|
57
|
23
|
|
2025/12
|
56
|
55
|
82
|
80
|
67
|
73
|
85
|
66
|
70
|
81
|
81
|
74
|
22
|
43
|
52
|
53
|
53
|
59
|
64
|
61
|
69
|
84
|
76
|
16
|
33
|
51
|
53
|
55
|
60
|
58
|
63
|
|
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
|
|||
|
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