Air Quality
Excellent
No health implications.
14
PM2.5
20
PM10
27
O3
0.7
CO
10
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Aug
49
Excellent
Fri
29 Aug
50
Excellent
Sat
30 Aug
52
Good
Sun
31 Aug
52
Good
Mon
1 Sep
50
Excellent
Tue
2 Sep
49
Excellent
Wed
3 Sep
47
Excellent
Mashan Air quality rank
Air quality in the last 12 months (Mashan)
|
2025/06
|
48
|
28
|
19
|
15
|
20
|
21
|
18
|
25
|
27
|
18
|
15
|
20
|
28
|
28
|
20
|
21
|
17
|
25
|
21
|
20
|
14
|
15
|
26
|
36
|
42
|
43
|
35
|
45
|
23
|
26
|
|
|
2025/05
|
35
|
27
|
26
|
24
|
23
|
32
|
35
|
34
|
34
|
19
|
39
|
48
|
47
|
35
|
19
|
33
|
32
|
18
|
24
|
26
|
32
|
21
|
20
|
28
|
19
|
23
|
30
|
34
|
41
|
49
|
49
|
|
2025/04
|
64
|
53
|
44
|
51
|
52
|
22
|
27
|
53
|
59
|
73
|
120
|
91
|
42
|
30
|
26
|
35
|
56
|
47
|
29
|
56
|
80
|
31
|
31
|
33
|
36
|
19
|
34
|
49
|
48
|
41
|
|
|
2025/03
|
24
|
24
|
26
|
39
|
51
|
43
|
37
|
60
|
70
|
68
|
76
|
72
|
24
|
26
|
23
|
25
|
32
|
34
|
42
|
64
|
76
|
15
|
40
|
49
|
68
|
69
|
32
|
18
|
23
|
25
|
37
|
|
2025/02
|
48
|
78
|
65
|
44
|
32
|
24
|
31
|
30
|
31
|
43
|
56
|
62
|
29
|
34
|
48
|
48
|
32
|
24
|
28
|
32
|
36
|
29
|
26
|
30
|
48
|
29
|
49
|
65
|
|||
|
2025/01
|
65
|
59
|
50
|
48
|
82
|
75
|
65
|
56
|
36
|
42
|
63
|
75
|
74
|
59
|
42
|
44
|
56
|
88
|
92
|
100
|
130
|
130
|
100
|
72
|
72
|
85
|
60
|
50
|
50
|
43
|
36
|
|
2024/12
|
39
|
31
|
24
|
19
|
19
|
26
|
24
|
31
|
46
|
49
|
32
|
39
|
39
|
43
|
28
|
31
|
38
|
33
|
37
|
59
|
53
|
49
|
42
|
36
|
49
|
31
|
28
|
34
|
44
|
69
|
67
|
|
2024/11
|
59
|
53
|
52
|
40
|
44
|
31
|
55
|
72
|
85
|
62
|
66
|
108
|
124
|
87
|
79
|
64
|
23
|
23
|
42
|
58
|
64
|
39
|
35
|
46
|
58
|
33
|
28
|
44
|
32
|
27
|
|
|
2024/10
|
17
|
25
|
32
|
43
|
46
|
45
|
31
|
47
|
51
|
44
|
30
|
33
|
45
|
54
|
24
|
34
|
48
|
48
|
31
|
35
|
39
|
35
|
37
|
43
|
61
|
48
|
32
|
46
|
53
|
52
|
63
|
|
2024/09
|
25
|
19
|
28
|
39
|
15
|
23
|
23
|
32
|
39
|
20
|
27
|
40
|
28
|
29
|
23
|
40
|
29
|
31
|
36
|
22
|
26
|
29
|
39
|
37
|
31
|
22
|
36
|
40
|
43
|
31
|
|
|
2024/08
|
17
|
17
|
17
|
20
|
19
|
18
|
30
|
31
|
30
|
37
|
16
|
17
|
23
|
27
|
35
|
34
|
33
|
39
|
17
|
25
|
25
|
24
|
25
|
35
|
35
|
27
|
25
|
31
|
38
|
30
|
21
|
|
2024/07
|
69
|
65
|
54
|
26
|
28
|
49
|
47
|
55
|
57
|
46
|
67
|
51
|
39
|
48
|
54
|
54
|
39
|
27
|
31
|
42
|
37
|
28
|
33
|
26
|
27
|
15
|
15
|
21
|
23
|
19
|
29
|
|
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