Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
14
PM2.5
58
*
PM10
52
O3
0.9
CO
5
SO2
25
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
18 Jul
100
Good
Sat
19 Jul
69
Good
Sun
20 Jul
74
Good
Mon
21 Jul
72
Good
Tue
22 Jul
86
Good
Wed
23 Jul
87
Good
Thu
24 Jul
35
Excellent
Air quality in the last 12 months (Yanchuan)
|
2025/06
|
46
|
41
|
36
|
41
|
51
|
54
|
55
|
44
|
60
|
53
|
57
|
56
|
55
|
40
|
45
|
46
|
44
|
48
|
33
|
36
|
38
|
44
|
47
|
49
|
51
|
39
|
40
|
29
|
44
|
32
|
|
|
2025/05
|
71
|
102
|
41
|
97
|
274
|
175
|
124
|
109
|
57
|
49
|
51
|
63
|
70
|
63
|
62
|
146
|
161
|
74
|
73
|
66
|
71
|
188
|
54
|
58
|
49
|
39
|
44
|
54
|
60
|
53
|
32
|
|
2025/04
|
64
|
60
|
93
|
114
|
65
|
87
|
104
|
107
|
92
|
58
|
191
|
145
|
120
|
47
|
54
|
127
|
133
|
90
|
71
|
76
|
189
|
147
|
85
|
49
|
63
|
62
|
51
|
46
|
70
|
125
|
|
|
2025/03
|
81
|
77
|
36
|
42
|
56
|
61
|
69
|
76
|
72
|
71
|
235
|
218
|
87
|
71
|
45
|
35
|
49
|
45
|
45
|
47
|
62
|
75
|
147
|
384
|
413
|
345
|
231
|
160
|
49
|
51
|
60
|
|
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
|
|
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