Air Quality
Excellent
No health implications.
9
PM2.5
13
PM10
50
O3
0.7
CO
7
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Apr
42
Excellent
Sat
26 Apr
46
Excellent
Sun
27 Apr
37
Excellent
Mon
28 Apr
41
Excellent
Tue
29 Apr
49
Excellent
Wed
30 Apr
38
Excellent
Thu
1 May
42
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