Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
94
*
PM2.5
134
PM10
9
O3
0.9
CO
30
SO2
54
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
24 Nov
78
Good
Mon
25 Nov
62
Good
Tue
26 Nov
117
Light
Wed
27 Nov
54
Good
Thu
28 Nov
59
Good
Fri
29 Nov
63
Good
Air quality in the last 12 months (Yanchuan)
|
2024/10
|
71
|
48
|
43
|
57
|
60
|
65
|
50
|
49
|
58
|
50
|
57
|
60
|
57
|
65
|
63
|
90
|
65
|
30
|
32
|
25
|
30
|
33
|
49
|
57
|
66
|
57
|
59
|
58
|
63
|
57
|
51
|
|
2024/09
|
40
|
46
|
39
|
43
|
29
|
47
|
26
|
47
|
59
|
39
|
39
|
41
|
45
|
31
|
49
|
42
|
42
|
45
|
43
|
26
|
25
|
46
|
55
|
58
|
59
|
61
|
80
|
63
|
29
|
31
|
|
|
2024/08
|
38
|
48
|
35
|
35
|
35
|
30
|
19
|
34
|
43
|
86
|
34
|
38
|
43
|
43
|
41
|
38
|
41
|
27
|
36
|
35
|
37
|
46
|
52
|
53
|
50
|
18
|
34
|
40
|
47
|
46
|
50
|
|
2024/07
|
39
|
43
|
36
|
31
|
39
|
43
|
48
|
47
|
41
|
41
|
46
|
45
|
51
|
58
|
44
|
24
|
33
|
32
|
38
|
23
|
54
|
59
|
43
|
23
|
49
|
48
|
51
|
54
|
48
|
26
|
36
|
|
2024/06
|
58
|
43
|
43
|
46
|
35
|
53
|
40
|
44
|
49
|
49
|
60
|
57
|
65
|
58
|
55
|
54
|
42
|
44
|
46
|
50
|
43
|
68
|
75
|
91
|
84
|
86
|
64
|
67
|
58
|
44
|
|
|
2024/05
|
44
|
49
|
55
|
35
|
46
|
49
|
49
|
56
|
62
|
73
|
140
|
58
|
53
|
64
|
73
|
62
|
87
|
82
|
61
|
65
|
63
|
63
|
55
|
65
|
52
|
53
|
50
|
50
|
48
|
62
|
58
|
|
2024/04
|
80
|
62
|
55
|
67
|
74
|
68
|
69
|
66
|
64
|
56
|
55
|
61
|
56
|
66
|
92
|
59
|
73
|
74
|
62
|
59
|
67
|
127
|
120
|
83
|
74
|
74
|
68
|
64
|
51
|
40
|
|
|
2024/03
|
55
|
67
|
65
|
77
|
80
|
60
|
89
|
56
|
74
|
80
|
75
|
56
|
74
|
72
|
74
|
139
|
81
|
177
|
86
|
72
|
85
|
140
|
121
|
37
|
53
|
59
|
85
|
104
|
91
|
63
|
72
|
|
2024/02
|
133
|
126
|
120
|
106
|
110
|
101
|
92
|
104
|
132
|
174
|
72
|
72
|
74
|
141
|
74
|
63
|
62
|
370
|
250
|
52
|
51
|
67
|
58
|
82
|
103
|
107
|
92
|
92
|
64
|
||
|
2024/01
|
74
|
74
|
69
|
67
|
66
|
59
|
57
|
80
|
79
|
69
|
79
|
82
|
87
|
80
|
64
|
92
|
92
|
89
|
98
|
68
|
26
|
33
|
51
|
52
|
61
|
70
|
68
|
71
|
75
|
89
|
110
|
|
2023/12
|
55
|
67
|
77
|
82
|
121
|
157
|
108
|
96
|
83
|
84
|
56
|
75
|
67
|
54
|
48
|
46
|
46
|
66
|
68
|
49
|
38
|
56
|
64
|
65
|
71
|
83
|
102
|
124
|
160
|
115
|
67
|
|
2023/11
|
72
|
94
|
82
|
68
|
50
|
53
|
65
|
72
|
66
|
53
|
53
|
45
|
61
|
66
|
85
|
97
|
64
|
65
|
77
|
77
|
91
|
104
|
52
|
57
|
72
|
86
|
86
|
68
|
43
|
45
|
|
|
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