Air Quality
Excellent
No health implications.
31
PM2.5
46
PM10
48
O3
0.7
CO
5
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Sep
53
Good
Tue
15 Sep
51
Good
Wed
16 Sep
47
Excellent
Thu
17 Sep
53
Good
Fri
18 Sep
58
Good
Sat
19 Sep
61
Good
Sun
20 Sep
43
Excellent
Air quality in the last 12 months (Mashan)
|
2026/08
|
20
|
25
|
24
|
20
|
17
|
23
|
36
|
34
|
36
|
36
|
32
|
36
|
31
|
26
|
26
|
29
|
28
|
28
|
24
|
27
|
23
|
26
|
25
|
24
|
23
|
18
|
19
|
24
|
23
|
30
|
27
|
|
2026/07
|
20
|
27
|
23
|
17
|
12
|
15
|
14
|
16
|
22
|
23
|
27
|
36
|
35
|
42
|
29
|
21
|
26
|
26
|
25
|
24
|
29
|
31
|
28
|
32
|
44
|
43
|
50
|
31
|
26
|
18
|
17
|
|
2026/06
|
44
|
37
|
32
|
32
|
33
|
34
|
30
|
25
|
26
|
29
|
41
|
50
|
29
|
21
|
28
|
25
|
25
|
21
|
21
|
22
|
22
|
29
|
29
|
27
|
19
|
19
|
25
|
33
|
26
|
22
|
|
|
2026/05
|
45
|
46
|
21
|
31
|
47
|
42
|
34
|
25
|
29
|
36
|
40
|
49
|
39
|
44
|
43
|
28
|
19
|
21
|
22
|
25
|
20
|
25
|
34
|
33
|
34
|
37
|
35
|
32
|
33
|
26
|
40
|
|
2026/04
|
30
|
65
|
63
|
40
|
74
|
95
|
72
|
69
|
62
|
69
|
75
|
80
|
78
|
73
|
62
|
57
|
30
|
43
|
56
|
45
|
40
|
29
|
18
|
29
|
47
|
58
|
41
|
26
|
24
|
28
|
|
|
2026/03
|
38
|
29
|
16
|
26
|
63
|
55
|
69
|
66
|
28
|
20
|
36
|
57
|
65
|
65
|
60
|
54
|
46
|
38
|
47
|
39
|
31
|
75
|
60
|
49
|
47
|
57
|
53
|
54
|
60
|
46
|
39
|
|
2026/02
|
35
|
50
|
77
|
123
|
109
|
62
|
41
|
22
|
37
|
27
|
20
|
35
|
40
|
44
|
45
|
41
|
36
|
42
|
41
|
41
|
78
|
91
|
75
|
44
|
57
|
50
|
36
|
42
|
|||
|
2026/01
|
35
|
21
|
40
|
63
|
17
|
30
|
46
|
60
|
77
|
87
|
89
|
90
|
99
|
113
|
110
|
102
|
108
|
93
|
74
|
41
|
14
|
20
|
43
|
58
|
96
|
56
|
24
|
37
|
65
|
41
|
18
|
|
2025/12
|
75
|
70
|
66
|
74
|
67
|
63
|
76
|
53
|
65
|
87
|
111
|
94
|
29
|
43
|
54
|
64
|
60
|
56
|
63
|
59
|
52
|
61
|
71
|
16
|
27
|
53
|
59
|
64
|
73
|
79
|
70
|
|
2025/11
|
23
|
27
|
14
|
10
|
19
|
34
|
43
|
31
|
15
|
13
|
12
|
21
|
37
|
40
|
45
|
48
|
53
|
21
|
19
|
29
|
30
|
42
|
50
|
51
|
43
|
50
|
48
|
56
|
60
|
66
|
|
|
2025/10
|
27
|
28
|
25
|
26
|
29
|
13
|
18
|
30
|
34
|
41
|
38
|
38
|
32
|
22
|
21
|
28
|
39
|
48
|
23
|
13
|
12
|
12
|
21
|
34
|
40
|
32
|
33
|
35
|
49
|
55
|
29
|
|
2025/09
|
25
|
23
|
21
|
22
|
24
|
25
|
34
|
35
|
17
|
20
|
18
|
18
|
22
|
27
|
24
|
27
|
19
|
24
|
34
|
40
|
26
|
21
|
21
|
16
|
11
|
16
|
25
|
27
|
24
|
28
|
|
|
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