Air Quality
Excellent
No health implications.
11
PM2.5
25
PM10
10
O3
0.7
CO
4
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jul
49
Excellent
Wed
16 Jul
55
Good
Thu
17 Jul
59
Good
Fri
18 Jul
38
Excellent
Sat
19 Jul
32
Excellent
Sun
20 Jul
31
Excellent
Mon
21 Jul
47
Excellent
Air quality in the last 12 months (Mengshan)
|
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
|
|
|
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
|
|
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