Air Quality
Excellent
No health implications.
12
PM2.5
18
PM10
61
O3
0.5
CO
6
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Sep
60
Good
Wed
11 Sep
49
Excellent
Thu
12 Sep
59
Good
Fri
13 Sep
58
Good
Sat
14 Sep
59
Good
Sun
15 Sep
45
Excellent
Air quality in the last 12 months (Ziyang)
|
2024/07
|
19
|
21
|
27
|
25
|
16
|
16
|
26
|
17
|
10
|
29
|
18
|
18
|
27
|
16
|
18
|
28
|
24
|
23
|
21
|
21
|
25
|
25
|
31
|
38
|
55
|
45
|
36
|
33
|
21
|
13
|
18
|
|
2024/06
|
52
|
52
|
40
|
25
|
20
|
27
|
30
|
25
|
28
|
32
|
28
|
30
|
32
|
30
|
31
|
22
|
19
|
22
|
23
|
20
|
12
|
21
|
28
|
32
|
25
|
36
|
32
|
40
|
34
|
36
|
|
|
2024/05
|
20
|
27
|
23
|
13
|
28
|
44
|
47
|
42
|
29
|
30
|
44
|
55
|
57
|
55
|
54
|
48
|
54
|
66
|
27
|
23
|
37
|
41
|
39
|
40
|
44
|
25
|
30
|
43
|
30
|
28
|
44
|
|
2024/04
|
48
|
44
|
52
|
37
|
44
|
38
|
29
|
37
|
41
|
33
|
27
|
36
|
42
|
41
|
56
|
57
|
44
|
38
|
60
|
89
|
75
|
61
|
68
|
68
|
40
|
35
|
43
|
32
|
37
|
21
|
|
|
2024/03
|
59
|
50
|
53
|
71
|
68
|
60
|
57
|
60
|
58
|
60
|
53
|
55
|
56
|
45
|
61
|
74
|
73
|
38
|
55
|
68
|
62
|
61
|
63
|
22
|
24
|
38
|
43
|
51
|
51
|
47
|
48
|
|
2024/02
|
67
|
28
|
33
|
38
|
50
|
60
|
70
|
65
|
78
|
174
|
85
|
63
|
63
|
63
|
45
|
42
|
44
|
75
|
430
|
54
|
17
|
31
|
41
|
43
|
56
|
67
|
65
|
67
|
71
|
||
|
2024/01
|
118
|
98
|
66
|
71
|
87
|
100
|
113
|
104
|
92
|
76
|
91
|
86
|
109
|
126
|
94
|
55
|
57
|
57
|
27
|
34
|
40
|
32
|
29
|
42
|
57
|
59
|
55
|
67
|
70
|
77
|
108
|
|
2023/12
|
53
|
56
|
62
|
70
|
66
|
77
|
71
|
69
|
90
|
88
|
20
|
31
|
23
|
16
|
39
|
48
|
48
|
47
|
59
|
57
|
95
|
88
|
104
|
107
|
94
|
96
|
112
|
160
|
195
|
146
|
116
|
|
2023/11
|
38
|
48
|
33
|
27
|
22
|
30
|
43
|
44
|
52
|
60
|
30
|
35
|
38
|
36
|
36
|
68
|
61
|
55
|
56
|
68
|
61
|
65
|
63
|
61
|
53
|
51
|
55
|
59
|
71
|
51
|
|
|
2023/10
|
23
|
21
|
16
|
15
|
20
|
21
|
18
|
23
|
28
|
32
|
34
|
39
|
43
|
35
|
29
|
34
|
45
|
36
|
18
|
17
|
25
|
27
|
41
|
47
|
49
|
42
|
46
|
28
|
32
|
37
|
41
|
|
2023/09
|
33
|
41
|
35
|
36
|
35
|
36
|
38
|
46
|
42
|
30
|
23
|
17
|
25
|
28
|
34
|
38
|
43
|
28
|
12
|
20
|
23
|
19
|
20
|
15
|
12
|
12
|
13
|
14
|
16
|
18
|
|
|
2023/08
|
25
|
28
|
26
|
21
|
26
|
23
|
20
|
23
|
32
|
36
|
33
|
22
|
27
|
31
|
31
|
33
|
45
|
51
|
57
|
25
|
23
|
32
|
26
|
28
|
33
|
20
|
20
|
23
|
25
|
30
|
31
|
|
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