Air Quality
Excellent
No health implications.
4
PM2.5
5
PM10
34
O3
0.6
CO
4
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Sep
27
Excellent
Fri
26 Sep
28
Excellent
Sat
27 Sep
42
Excellent
Sun
28 Sep
48
Excellent
Mon
29 Sep
37
Excellent
Tue
30 Sep
35
Excellent
Wed
1 Oct
36
Excellent
Mashan Air quality rank
Air quality in the last 12 months (Mashan)
|
2025/08
|
22
|
27
|
35
|
33
|
27
|
22
|
19
|
28
|
26
|
26
|
28
|
31
|
32
|
33
|
15
|
17
|
24
|
17
|
12
|
17
|
23
|
24
|
27
|
28
|
24
|
24
|
25
|
27
|
30
|
25
|
24
|
|
2025/07
|
19
|
19
|
22
|
26
|
35
|
40
|
31
|
28
|
33
|
24
|
20
|
23
|
25
|
22
|
25
|
28
|
28
|
40
|
41
|
30
|
19
|
13
|
12
|
17
|
23
|
25
|
32
|
41
|
34
|
40
|
24
|
|
2025/06
|
32
|
25
|
20
|
35
|
46
|
33
|
26
|
27
|
23
|
22
|
29
|
28
|
20
|
24
|
29
|
21
|
21
|
24
|
22
|
21
|
22
|
22
|
25
|
25
|
24
|
26
|
19
|
21
|
22
|
18
|
|
|
2025/05
|
32
|
48
|
47
|
34
|
37
|
27
|
36
|
47
|
24
|
31
|
25
|
42
|
47
|
38
|
21
|
19
|
25
|
19
|
21
|
26
|
26
|
27
|
19
|
28
|
38
|
32
|
46
|
43
|
14
|
29
|
35
|
|
2025/04
|
39
|
55
|
65
|
51
|
75
|
94
|
92
|
80
|
73
|
66
|
53
|
48
|
138
|
143
|
104
|
95
|
82
|
67
|
54
|
45
|
41
|
45
|
30
|
32
|
28
|
34
|
42
|
29
|
47
|
44
|
|
|
2025/03
|
45
|
44
|
61
|
51
|
29
|
18
|
33
|
44
|
54
|
47
|
50
|
39
|
34
|
39
|
17
|
22
|
50
|
30
|
37
|
53
|
61
|
71
|
69
|
75
|
85
|
63
|
60
|
75
|
30
|
14
|
24
|
|
2025/02
|
39
|
18
|
17
|
47
|
85
|
32
|
13
|
42
|
56
|
70
|
114
|
79
|
36
|
83
|
46
|
35
|
43
|
27
|
35
|
27
|
15
|
21
|
12
|
29
|
55
|
24
|
39
|
56
|
|||
|
2025/01
|
125
|
116
|
88
|
111
|
83
|
102
|
121
|
91
|
59
|
32
|
48
|
73
|
92
|
108
|
90
|
73
|
85
|
101
|
97
|
104
|
106
|
105
|
127
|
87
|
46
|
12
|
39
|
50
|
138
|
87
|
59
|
|
2024/12
|
82
|
92
|
87
|
85
|
74
|
43
|
19
|
29
|
56
|
82
|
33
|
30
|
39
|
50
|
44
|
56
|
87
|
74
|
65
|
85
|
98
|
93
|
95
|
96
|
101
|
89
|
80
|
58
|
92
|
130
|
109
|
|
2024/11
|
45
|
46
|
58
|
66
|
58
|
61
|
61
|
55
|
57
|
57
|
61
|
63
|
70
|
72
|
63
|
59
|
57
|
35
|
26
|
23
|
27
|
27
|
38
|
52
|
66
|
18
|
32
|
34
|
43
|
59
|
|
|
2024/10
|
20
|
22
|
37
|
53
|
55
|
55
|
55
|
49
|
39
|
45
|
51
|
57
|
63
|
42
|
17
|
33
|
33
|
28
|
28
|
25
|
40
|
42
|
24
|
34
|
34
|
36
|
30
|
27
|
37
|
47
|
50
|
|
2024/09
|
28
|
35
|
29
|
32
|
41
|
37
|
17
|
18
|
21
|
22
|
24
|
33
|
42
|
44
|
45
|
30
|
25
|
31
|
33
|
38
|
31
|
24
|
29
|
38
|
50
|
52
|
51
|
52
|
35
|
36
|
|
|
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