Air Quality
Excellent
No health implications.
7
PM2.5
15
PM10
25
O3
0.4
CO
6
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Nov
35
Excellent
Wed
19 Nov
47
Excellent
Thu
20 Nov
54
Good
Fri
21 Nov
52
Good
Sat
22 Nov
63
Good
Sun
23 Nov
61
Good
Mon
24 Nov
17
Excellent
Air quality in the last 12 months (Ziyang)
|
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
|
|
|
2025/03
|
76
|
60
|
15
|
13
|
22
|
36
|
48
|
54
|
59
|
48
|
53
|
62
|
47
|
35
|
24
|
37
|
44
|
43
|
42
|
44
|
51
|
54
|
56
|
55
|
47
|
57
|
154
|
58
|
51
|
58
|
50
|
|
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
|
|
|
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