Air Quality
Excellent
No health implications.
7
PM2.5
10
PM10
36
O3
0.8
CO
4
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 May
48
Excellent
Wed
27 May
59
Good
Thu
28 May
52
Good
Fri
29 May
60
Good
Sat
30 May
82
Good
Sun
31 May
95
Good
Mon
1 Jun
48
Excellent
Air quality in the last 12 months (Ziyang)
|
2026/04
|
47
|
37
|
29
|
36
|
54
|
50
|
85
|
65
|
65
|
40
|
57
|
43
|
49
|
37
|
35
|
36
|
42
|
50
|
48
|
72
|
31
|
25
|
37
|
43
|
42
|
45
|
50
|
31
|
31
|
37
|
|
|
2026/03
|
22
|
39
|
55
|
54
|
70
|
94
|
99
|
88
|
88
|
63
|
53
|
90
|
74
|
62
|
87
|
19
|
21
|
39
|
62
|
71
|
77
|
37
|
37
|
69
|
81
|
40
|
46
|
53
|
50
|
34
|
48
|
|
2026/02
|
64
|
79
|
88
|
132
|
132
|
163
|
81
|
83
|
79
|
74
|
67
|
92
|
80
|
64
|
60
|
38
|
83
|
75
|
72
|
53
|
45
|
63
|
55
|
49
|
57
|
34
|
33
|
53
|
|||
|
2026/01
|
60
|
66
|
76
|
71
|
73
|
78
|
75
|
60
|
68
|
83
|
89
|
87
|
81
|
73
|
100
|
133
|
178
|
190
|
28
|
62
|
47
|
54
|
77
|
68
|
68
|
143
|
152
|
122
|
75
|
64
|
74
|
|
2025/12
|
106
|
113
|
65
|
65
|
59
|
82
|
113
|
126
|
128
|
164
|
165
|
187
|
33
|
51
|
54
|
64
|
96
|
115
|
87
|
107
|
54
|
82
|
52
|
63
|
60
|
72
|
84
|
84
|
107
|
170
|
140
|
|
2025/11
|
55
|
31
|
26
|
33
|
54
|
39
|
59
|
26
|
28
|
25
|
48
|
44
|
51
|
63
|
78
|
75
|
60
|
25
|
35
|
44
|
51
|
63
|
68
|
51
|
52
|
54
|
70
|
63
|
57
|
66
|
|
|
2025/10
|
61
|
42
|
36
|
40
|
51
|
63
|
79
|
108
|
83
|
39
|
166
|
109
|
39
|
41
|
51
|
51
|
29
|
17
|
17
|
14
|
20
|
33
|
38
|
42
|
93
|
92
|
75
|
63
|
100
|
98
|
56
|
|
2025/09
|
42
|
42
|
39
|
37
|
28
|
34
|
38
|
51
|
35
|
32
|
32
|
30
|
39
|
54
|
42
|
28
|
39
|
25
|
17
|
21
|
36
|
34
|
25
|
15
|
17
|
25
|
31
|
42
|
47
|
50
|
|
|
2025/08
|
39
|
40
|
42
|
23
|
23
|
28
|
15
|
16
|
20
|
26
|
27
|
38
|
17
|
30
|
16
|
21
|
22
|
26
|
14
|
12
|
16
|
17
|
18
|
20
|
22
|
19
|
21
|
21
|
21
|
43
|
19
|
|
2025/07
|
16
|
13
|
15
|
16
|
27
|
42
|
42
|
38
|
44
|
21
|
36
|
28
|
23
|
21
|
26
|
20
|
29
|
42
|
35
|
37
|
26
|
19
|
16
|
17
|
22
|
34
|
28
|
24
|
28
|
27
|
24
|
|
2025/06
|
16
|
37
|
33
|
42
|
39
|
42
|
27
|
31
|
30
|
33
|
32
|
32
|
23
|
23
|
24
|
28
|
17
|
15
|
16
|
24
|
27
|
17
|
17
|
22
|
28
|
32
|
33
|
21
|
19
|
16
|
|
|
2025/05
|
36
|
46
|
55
|
55
|
51
|
57
|
79
|
37
|
33
|
44
|
26
|
36
|
41
|
77
|
50
|
33
|
36
|
64
|
47
|
18
|
25
|
37
|
43
|
58
|
56
|
45
|
59
|
25
|
23
|
25
|
25
|
|
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