Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
35
PM2.5
53
*
PM10
72
O3
0.8
CO
6
SO2
17
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
29 May
59
Good
Sat
30 May
63
Good
Sun
31 May
65
Good
Mon
1 Jun
71
Good
Tue
2 Jun
68
Good
Wed
3 Jun
31
Excellent
Thu
4 Jun
23
Excellent
Air quality in the last 12 months (Mashan)
|
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
|
|
|
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
|
|
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