Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
19
PM2.5
93
*
PM10
73
O3
0.7
CO
6
SO2
6
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
100
Good
Thu
13 Feb
90
Good
Fri
14 Feb
66
Good
Sat
15 Feb
66
Good
Sun
16 Feb
66
Good
Mon
17 Feb
31
Excellent
Tue
18 Feb
23
Excellent
Air quality in the last 12 months (Yanchuan)
|
2025/01
|
74
|
62
|
67
|
79
|
98
|
55
|
52
|
50
|
54
|
60
|
72
|
63
|
96
|
54
|
49
|
56
|
67
|
74
|
71
|
77
|
76
|
87
|
118
|
143
|
76
|
75
|
36
|
69
|
140
|
82
|
80
|
|
2024/12
|
66
|
58
|
62
|
56
|
51
|
55
|
48
|
54
|
68
|
67
|
58
|
65
|
68
|
57
|
63
|
66
|
69
|
60
|
72
|
66
|
47
|
64
|
75
|
95
|
88
|
58
|
50
|
59
|
67
|
81
|
78
|
|
2024/11
|
56
|
46
|
55
|
52
|
56
|
60
|
75
|
82
|
98
|
94
|
96
|
80
|
53
|
51
|
70
|
69
|
56
|
57
|
45
|
61
|
66
|
78
|
104
|
88
|
59
|
63
|
77
|
46
|
52
|
63
|
|
|
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
|
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1
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6
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7
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8
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9
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10
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11
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12
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13
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14
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15
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16
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17
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18
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19
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20
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21
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22
|
23
|
24
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25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution