Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
42
PM2.5
72
*
PM10
96
O3
0.7
CO
17
SO2
13
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
20 Apr
76
Good
Mon
21 Apr
85
Good
Tue
22 Apr
87
Good
Wed
23 Apr
61
Good
Thu
24 Apr
65
Good
Fri
25 Apr
31
Excellent
Sat
26 Apr
27
Excellent
Air quality in the last 12 months (Ziyang)
|
2025/02
|
67
|
43
|
36
|
44
|
51
|
33
|
50
|
57
|
58
|
57
|
66
|
61
|
61
|
56
|
47
|
47
|
55
|
51
|
72
|
99
|
100
|
68
|
47
|
76
|
77
|
52
|
52
|
61
|
|||
|
2025/01
|
98
|
98
|
111
|
151
|
116
|
104
|
103
|
68
|
63
|
67
|
70
|
63
|
72
|
78
|
59
|
63
|
86
|
82
|
85
|
87
|
107
|
154
|
209
|
94
|
19
|
48
|
64
|
74
|
179
|
130
|
106
|
|
2024/12
|
65
|
76
|
80
|
64
|
60
|
51
|
55
|
61
|
69
|
67
|
58
|
68
|
45
|
45
|
63
|
77
|
85
|
82
|
77
|
107
|
110
|
81
|
67
|
91
|
105
|
126
|
103
|
63
|
84
|
100
|
95
|
|
2024/11
|
50
|
34
|
38
|
44
|
38
|
47
|
59
|
72
|
61
|
48
|
56
|
59
|
49
|
28
|
35
|
23
|
8
|
9
|
18
|
22
|
29
|
43
|
55
|
55
|
19
|
41
|
49
|
48
|
51
|
56
|
|
|
2024/10
|
28
|
32
|
38
|
43
|
51
|
47
|
41
|
46
|
40
|
36
|
44
|
39
|
43
|
40
|
35
|
43
|
50
|
29
|
25
|
15
|
13
|
26
|
32
|
49
|
49
|
44
|
36
|
34
|
48
|
59
|
51
|
|
2024/09
|
36
|
42
|
29
|
29
|
34
|
39
|
39
|
44
|
43
|
24
|
46
|
34
|
31
|
28
|
31
|
21
|
23
|
28
|
36
|
29
|
15
|
24
|
35
|
43
|
47
|
63
|
60
|
80
|
55
|
12
|
|
|
2024/08
|
30
|
30
|
22
|
12
|
20
|
22
|
21
|
26
|
22
|
33
|
59
|
47
|
32
|
28
|
28
|
40
|
34
|
22
|
29
|
27
|
28
|
36
|
40
|
43
|
27
|
29
|
25
|
24
|
27
|
34
|
36
|
|
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
|
|
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