Air Quality
Excellent
No health implications.
15
PM2.5
32
PM10
34
O3
0.7
CO
10
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 May
36
Excellent
Tue
6 May
53
Good
Wed
7 May
43
Excellent
Thu
8 May
40
Excellent
Fri
9 May
33
Excellent
Sat
10 May
50
Excellent
Sun
11 May
49
Excellent
Air quality in the last 12 months (Mengshan)
|
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
|
|
|
2024/08
|
18
|
20
|
25
|
32
|
26
|
32
|
34
|
30
|
33
|
29
|
26
|
17
|
16
|
20
|
22
|
21
|
16
|
18
|
28
|
26
|
19
|
16
|
19
|
27
|
28
|
32
|
35
|
40
|
34
|
31
|
30
|
|
2024/07
|
22
|
13
|
17
|
21
|
20
|
19
|
22
|
20
|
23
|
25
|
25
|
25
|
26
|
20
|
24
|
21
|
18
|
15
|
15
|
27
|
25
|
19
|
18
|
28
|
32
|
43
|
35
|
13
|
13
|
12
|
15
|
|
2024/06
|
16
|
19
|
24
|
16
|
9
|
16
|
21
|
23
|
19
|
19
|
17
|
21
|
24
|
19
|
18
|
18
|
18
|
15
|
18
|
22
|
20
|
19
|
18
|
12
|
11
|
14
|
18
|
20
|
20
|
17
|
|
|
2024/05
|
11
|
19
|
23
|
26
|
16
|
25
|
30
|
41
|
36
|
43
|
38
|
24
|
55
|
53
|
52
|
57
|
56
|
44
|
13
|
16
|
16
|
31
|
34
|
36
|
29
|
18
|
20
|
23
|
29
|
28
|
12
|
|
2024/04
|
53
|
55
|
46
|
24
|
14
|
11
|
10
|
19
|
35
|
41
|
48
|
56
|
52
|
50
|
54
|
53
|
43
|
26
|
33
|
23
|
15
|
23
|
25
|
39
|
47
|
26
|
29
|
36
|
42
|
24
|
|
|
2024/03
|
49
|
49
|
46
|
28
|
38
|
43
|
54
|
53
|
52
|
29
|
23
|
41
|
42
|
23
|
20
|
38
|
50
|
30
|
30
|
68
|
78
|
48
|
46
|
48
|
44
|
27
|
60
|
37
|
45
|
56
|
53
|
|
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