Air Quality
Excellent
No health implications.
31
PM2.5
47
PM10
95
O3
0.8
CO
9
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Sep
50
Excellent
Wed
16 Sep
46
Excellent
Thu
17 Sep
54
Good
Fri
18 Sep
56
Good
Sat
19 Sep
59
Good
Sun
20 Sep
67
Good
Mon
21 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