Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
55
*
PM2.5
72
PM10
25
O3
0.8
CO
3
SO2
11
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
12 Feb
110
Light
Thu
13 Feb
143
Light
Fri
14 Feb
63
Good
Sat
15 Feb
66
Good
Sun
16 Feb
87
Good
Mon
17 Feb
36
Excellent
Tue
18 Feb
30
Excellent
Air quality in the last 12 months (Ziyang)
|
2025/01
|
133
|
181
|
200
|
230
|
91
|
92
|
100
|
82
|
73
|
72
|
67
|
83
|
95
|
140
|
66
|
71
|
87
|
102
|
115
|
116
|
116
|
156
|
288
|
171
|
28
|
41
|
53
|
106
|
241
|
124
|
106
|
|
2024/12
|
65
|
89
|
163
|
132
|
59
|
61
|
70
|
103
|
79
|
91
|
73
|
124
|
131
|
51
|
57
|
70
|
90
|
112
|
90
|
120
|
128
|
85
|
77
|
99
|
138
|
174
|
194
|
127
|
88
|
151
|
141
|
|
2024/11
|
104
|
135
|
108
|
106
|
102
|
100
|
78
|
92
|
128
|
83
|
83
|
114
|
117
|
134
|
157
|
151
|
23
|
15
|
37
|
43
|
46
|
72
|
111
|
134
|
44
|
34
|
36
|
36
|
48
|
51
|
|
|
2024/10
|
31
|
51
|
68
|
81
|
79
|
90
|
63
|
51
|
50
|
71
|
102
|
192
|
103
|
58
|
57
|
126
|
106
|
36
|
31
|
48
|
24
|
31
|
30
|
41
|
68
|
63
|
76
|
110
|
118
|
99
|
75
|
|
2024/09
|
45
|
39
|
72
|
77
|
62
|
60
|
64
|
54
|
42
|
53
|
49
|
50
|
57
|
59
|
86
|
63
|
60
|
48
|
46
|
79
|
50
|
25
|
34
|
57
|
63
|
92
|
106
|
76
|
56
|
50
|
|
|
2024/08
|
23
|
24
|
20
|
23
|
29
|
27
|
34
|
26
|
26
|
38
|
46
|
52
|
34
|
46
|
45
|
34
|
45
|
39
|
35
|
41
|
40
|
34
|
26
|
27
|
27
|
40
|
38
|
31
|
44
|
49
|
48
|
|
2024/07
|
25
|
30
|
23
|
19
|
18
|
17
|
18
|
19
|
21
|
44
|
56
|
36
|
31
|
30
|
22
|
21
|
18
|
17
|
16
|
24
|
21
|
19
|
17
|
24
|
39
|
43
|
37
|
34
|
21
|
19
|
21
|
|
2024/06
|
41
|
34
|
61
|
24
|
26
|
35
|
42
|
53
|
28
|
27
|
26
|
35
|
35
|
35
|
39
|
28
|
39
|
44
|
29
|
39
|
34
|
28
|
33
|
29
|
26
|
22
|
19
|
31
|
24
|
18
|
|
|
2024/05
|
39
|
60
|
35
|
27
|
34
|
37
|
64
|
69
|
56
|
51
|
68
|
83
|
76
|
58
|
57
|
63
|
54
|
49
|
45
|
35
|
55
|
64
|
58
|
46
|
41
|
37
|
41
|
24
|
33
|
28
|
42
|
|
2024/04
|
40
|
29
|
71
|
80
|
79
|
68
|
72
|
60
|
59
|
61
|
74
|
44
|
43
|
42
|
63
|
44
|
53
|
58
|
43
|
37
|
58
|
66
|
43
|
59
|
74
|
50
|
51
|
49
|
54
|
32
|
|
|
2024/03
|
109
|
83
|
54
|
68
|
114
|
124
|
93
|
96
|
71
|
101
|
73
|
64
|
108
|
116
|
87
|
87
|
85
|
46
|
51
|
66
|
65
|
49
|
32
|
64
|
35
|
41
|
55
|
43
|
25
|
39
|
40
|
|
2024/02
|
79
|
39
|
65
|
100
|
114
|
113
|
127
|
121
|
142
|
258
|
142
|
76
|
51
|
42
|
69
|
50
|
46
|
32
|
109
|
22
|
35
|
54
|
66
|
69
|
71
|
82
|
92
|
127
|
98
|
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22
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23
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24
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25
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26
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27
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28
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29
|
30
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31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution