Air Quality
Excellent
No health implications.
3
PM2.5
11
PM10
35
O3
0.4
CO
4
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jul
54
Good
Tue
28 Jul
64
Good
Wed
29 Jul
55
Good
Thu
30 Jul
58
Good
Fri
31 Jul
56
Good
Sat
1 Aug
33
Excellent
Sun
2 Aug
26
Excellent
Air quality in the last 12 months (Mashan)
|
2026/06
|
42
|
39
|
25
|
19
|
21
|
19
|
16
|
14
|
19
|
22
|
24
|
28
|
28
|
25
|
25
|
21
|
26
|
31
|
32
|
24
|
22
|
24
|
31
|
35
|
37
|
33
|
36
|
24
|
28
|
37
|
|
|
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
|
|
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