Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
48
*
PM2.5
73
PM10
24
O3
1.0
CO
7
SO2
36
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
19 Apr
79
Good
Sun
20 Apr
78
Good
Mon
21 Apr
164
Moderate
Tue
22 Apr
95
Good
Wed
23 Apr
66
Good
Thu
24 Apr
70
Good
Fri
25 Apr
18
Excellent
Air quality in the last 12 months (Yanchuan)
|
2025/02
|
80
|
61
|
35
|
57
|
37
|
118
|
45
|
36
|
53
|
68
|
71
|
70
|
65
|
69
|
74
|
72
|
70
|
74
|
67
|
64
|
72
|
56
|
47
|
51
|
64
|
71
|
69
|
68
|
|||
|
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
|
|
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