Air Quality
Excellent
No health implications.
3
PM2.5
9
PM10
26
O3
0.8
CO
3
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Feb
55
Good
Thu
12 Feb
77
Good
Fri
13 Feb
72
Good
Sat
14 Feb
70
Good
Sun
15 Feb
62
Good
Mon
16 Feb
15
Excellent
Tue
17 Feb
26
Excellent
Air quality in the last 12 months (Mashan)
|
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
|
|
|
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
|
|||
|
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