Air Quality
Excellent
No health implications.
32
PM2.5
49
PM10
75
O3
0.7
CO
7
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Mar
55
Good
Mon
30 Mar
60
Good
Tue
31 Mar
46
Excellent
Wed
1 Apr
76
Good
Thu
2 Apr
54
Good
Fri
3 Apr
48
Excellent
Sat
4 Apr
47
Excellent
Air quality in the last 12 months (Mashan)
|
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
|
|
|
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
|
|
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