Air Quality
Excellent
No health implications.
17
PM2.5
42
PM10
49
O3
0.5
CO
6
SO2
30
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Apr
47
Excellent
Fri
24 Apr
52
Good
Sat
25 Apr
60
Good
Sun
26 Apr
62
Good
Mon
27 Apr
54
Good
Tue
28 Apr
52
Good
Wed
29 Apr
48
Excellent
Air quality in the last 12 months (Ziyang)
|
2026/03
|
13
|
18
|
27
|
43
|
48
|
47
|
26
|
22
|
26
|
32
|
35
|
96
|
112
|
47
|
16
|
21
|
22
|
31
|
57
|
57
|
59
|
58
|
58
|
38
|
36
|
43
|
44
|
42
|
43
|
24
|
30
|
|
2026/02
|
69
|
72
|
75
|
81
|
85
|
92
|
114
|
81
|
61
|
60
|
65
|
62
|
69
|
72
|
62
|
39
|
83
|
62
|
57
|
54
|
61
|
86
|
81
|
47
|
47
|
28
|
29
|
15
|
|||
|
2026/01
|
30
|
54
|
68
|
69
|
66
|
62
|
61
|
67
|
75
|
75
|
72
|
92
|
95
|
95
|
95
|
86
|
103
|
130
|
61
|
34
|
49
|
53
|
60
|
77
|
90
|
82
|
77
|
76
|
62
|
37
|
56
|
|
2025/12
|
72
|
88
|
74
|
78
|
64
|
70
|
69
|
71
|
84
|
87
|
88
|
127
|
50
|
60
|
65
|
64
|
82
|
83
|
90
|
74
|
37
|
69
|
50
|
58
|
58
|
64
|
74
|
90
|
102
|
112
|
70
|
|
2025/11
|
36
|
42
|
50
|
58
|
59
|
45
|
21
|
26
|
34
|
54
|
54
|
52
|
54
|
53
|
55
|
47
|
17
|
19
|
29
|
41
|
44
|
54
|
47
|
44
|
47
|
57
|
84
|
74
|
66
|
68
|
|
|
2025/10
|
14
|
11
|
13
|
10
|
13
|
17
|
19
|
17
|
24
|
24
|
23
|
14
|
12
|
19
|
15
|
19
|
13
|
14
|
15
|
10
|
9
|
25
|
35
|
54
|
38
|
26
|
36
|
41
|
46
|
34
|
33
|
|
2025/09
|
25
|
26
|
19
|
22
|
21
|
18
|
20
|
17
|
21
|
28
|
21
|
12
|
18
|
22
|
30
|
23
|
18
|
9
|
9
|
15
|
16
|
15
|
10
|
13
|
26
|
19
|
16
|
16
|
11
|
13
|
|
|
2025/08
|
26
|
27
|
31
|
33
|
31
|
21
|
24
|
22
|
15
|
13
|
19
|
26
|
22
|
26
|
21
|
15
|
24
|
24
|
28
|
22
|
22
|
21
|
17
|
19
|
25
|
28
|
30
|
22
|
13
|
13
|
16
|
|
2025/07
|
22
|
21
|
22
|
23
|
14
|
17
|
17
|
18
|
21
|
22
|
33
|
38
|
35
|
35
|
32
|
32
|
29
|
19
|
25
|
24
|
25
|
22
|
15
|
14
|
14
|
20
|
23
|
21
|
20
|
25
|
24
|
|
2025/06
|
19
|
28
|
39
|
43
|
37
|
39
|
24
|
28
|
29
|
39
|
37
|
39
|
39
|
29
|
48
|
51
|
43
|
33
|
18
|
29
|
23
|
23
|
24
|
25
|
27
|
17
|
23
|
27
|
19
|
19
|
|
|
2025/05
|
62
|
61
|
68
|
50
|
47
|
89
|
57
|
65
|
61
|
54
|
52
|
56
|
46
|
45
|
60
|
55
|
72
|
56
|
63
|
62
|
62
|
49
|
44
|
45
|
51
|
46
|
41
|
35
|
34
|
44
|
30
|
|
2025/04
|
52
|
68
|
68
|
59
|
69
|
67
|
58
|
54
|
59
|
55
|
54
|
399
|
204
|
97
|
61
|
61
|
68
|
72
|
78
|
52
|
51
|
84
|
78
|
58
|
60
|
53
|
44
|
42
|
47
|
47
|
|
|
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