Air Quality
Excellent
No health implications.
7
PM2.5
19
PM10
26
O3
0.5
CO
4
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Sep
34
Excellent
Thu
11 Sep
44
Excellent
Fri
12 Sep
47
Excellent
Sat
13 Sep
51
Good
Sun
14 Sep
52
Good
Mon
15 Sep
31
Excellent
Tue
16 Sep
20
Excellent
Air quality in the last 12 months (Mengshan)
|
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
|
|
2024/11
|
43
|
63
|
74
|
70
|
65
|
67
|
51
|
49
|
52
|
60
|
63
|
58
|
60
|
59
|
42
|
40
|
40
|
22
|
16
|
17
|
26
|
30
|
34
|
45
|
47
|
24
|
33
|
44
|
47
|
57
|
|
|
2024/10
|
38
|
34
|
51
|
49
|
45
|
47
|
57
|
42
|
38
|
42
|
54
|
56
|
59
|
71
|
28
|
33
|
39
|
35
|
25
|
19
|
30
|
30
|
22
|
32
|
43
|
46
|
26
|
26
|
34
|
46
|
52
|
|
2024/09
|
28
|
28
|
24
|
26
|
39
|
30
|
12
|
15
|
21
|
20
|
24
|
39
|
38
|
40
|
35
|
28
|
25
|
33
|
41
|
36
|
28
|
21
|
30
|
35
|
35
|
37
|
40
|
46
|
45
|
45
|
|
|
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