Air Quality
Excellent
No health implications.
7
PM2.5
23
PM10
108
O3
0.2
CO
7
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Jun
63
Good
Sun
14 Jun
54
Good
Mon
15 Jun
58
Good
Tue
16 Jun
56
Good
Wed
17 Jun
57
Good
Thu
18 Jun
48
Excellent
Fri
19 Jun
22
Excellent
Air quality in the last 12 months (Mashan)
|
2026/05
|
36
|
40
|
32
|
36
|
60
|
27
|
25
|
31
|
31
|
37
|
38
|
42
|
55
|
43
|
52
|
42
|
36
|
26
|
26
|
36
|
44
|
41
|
38
|
36
|
40
|
30
|
26
|
20
|
25
|
23
|
34
|
|
2026/04
|
82
|
207
|
168
|
54
|
47
|
40
|
27
|
31
|
77
|
40
|
30
|
35
|
26
|
35
|
39
|
55
|
54
|
33
|
41
|
55
|
48
|
27
|
32
|
38
|
28
|
29
|
31
|
31
|
39
|
45
|
|
|
2026/03
|
34
|
37
|
54
|
62
|
47
|
47
|
42
|
35
|
42
|
39
|
59
|
52
|
64
|
58
|
70
|
88
|
111
|
135
|
55
|
57
|
108
|
116
|
93
|
104
|
112
|
112
|
189
|
157
|
162
|
49
|
61
|
|
2026/02
|
44
|
47
|
48
|
67
|
41
|
33
|
27
|
25
|
53
|
88
|
64
|
42
|
78
|
69
|
49
|
40
|
61
|
21
|
39
|
64
|
101
|
75
|
88
|
56
|
53
|
66
|
52
|
44
|
|||
|
2026/01
|
25
|
32
|
41
|
42
|
38
|
44
|
46
|
26
|
64
|
61
|
41
|
56
|
55
|
33
|
49
|
37
|
39
|
45
|
50
|
31
|
33
|
28
|
39
|
32
|
28
|
35
|
42
|
59
|
33
|
29
|
34
|
|
2025/12
|
37
|
38
|
29
|
30
|
32
|
37
|
42
|
44
|
33
|
36
|
35
|
34
|
47
|
60
|
59
|
44
|
30
|
66
|
70
|
46
|
34
|
56
|
60
|
44
|
48
|
26
|
37
|
56
|
44
|
34
|
29
|
|
2025/11
|
75
|
73
|
38
|
54
|
110
|
86
|
33
|
54
|
38
|
25
|
42
|
52
|
58
|
54
|
71
|
73
|
39
|
50
|
57
|
47
|
95
|
85
|
64
|
121
|
38
|
64
|
75
|
57
|
57
|
48
|
|
|
2025/10
|
25
|
38
|
44
|
35
|
22
|
25
|
33
|
36
|
32
|
39
|
41
|
36
|
45
|
52
|
51
|
48
|
51
|
28
|
20
|
25
|
32
|
43
|
55
|
53
|
105
|
120
|
72
|
53
|
146
|
44
|
52
|
|
2025/09
|
33
|
22
|
30
|
36
|
36
|
24
|
21
|
22
|
23
|
21
|
24
|
32
|
42
|
37
|
22
|
24
|
17
|
17
|
21
|
29
|
24
|
25
|
31
|
31
|
19
|
17
|
26
|
34
|
34
|
42
|
|
|
2025/08
|
25
|
20
|
23
|
14
|
17
|
18
|
15
|
16
|
21
|
17
|
22
|
37
|
36
|
15
|
25
|
19
|
17
|
20
|
22
|
19
|
23
|
13
|
21
|
20
|
19
|
13
|
20
|
25
|
16
|
23
|
38
|
|
2025/07
|
22
|
17
|
16
|
23
|
26
|
15
|
19
|
26
|
25
|
21
|
24
|
20
|
18
|
17
|
18
|
16
|
18
|
20
|
16
|
19
|
16
|
18
|
21
|
20
|
19
|
15
|
20
|
19
|
20
|
14
|
15
|
|
2025/06
|
48
|
28
|
19
|
15
|
20
|
21
|
18
|
25
|
27
|
18
|
15
|
20
|
28
|
28
|
20
|
21
|
17
|
25
|
21
|
20
|
14
|
15
|
26
|
36
|
42
|
43
|
35
|
45
|
23
|
26
|
|
|
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