Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
22
PM2.5
51
*
PM10
26
O3
0.9
CO
8
SO2
34
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
26 May
62
Good
Wed
27 May
81
Good
Thu
28 May
74
Good
Fri
29 May
74
Good
Sat
30 May
82
Good
Sun
31 May
42
Excellent
Mon
1 Jun
37
Excellent
Air quality in the last 12 months (Yanchuan)
|
2026/04
|
55
|
63
|
141
|
69
|
92
|
65
|
68
|
65
|
74
|
60
|
57
|
55
|
50
|
58
|
60
|
42
|
51
|
63
|
214
|
97
|
66
|
54
|
57
|
67
|
63
|
66
|
178
|
60
|
54
|
54
|
|
|
2026/03
|
36
|
33
|
64
|
72
|
64
|
40
|
47
|
64
|
62
|
71
|
54
|
72
|
211
|
67
|
58
|
68
|
73
|
74
|
68
|
76
|
84
|
96
|
80
|
70
|
75
|
76
|
68
|
67
|
57
|
63
|
44
|
|
2026/02
|
71
|
56
|
65
|
75
|
82
|
72
|
32
|
44
|
70
|
94
|
83
|
86
|
78
|
80
|
54
|
79
|
121
|
60
|
59
|
80
|
237
|
422
|
129
|
84
|
80
|
92
|
66
|
29
|
|||
|
2026/01
|
77
|
63
|
70
|
84
|
59
|
42
|
64
|
65
|
88
|
79
|
59
|
78
|
80
|
114
|
112
|
75
|
84
|
73
|
36
|
37
|
57
|
67
|
72
|
77
|
144
|
151
|
105
|
111
|
116
|
112
|
91
|
|
2025/12
|
86
|
44
|
55
|
65
|
73
|
77
|
83
|
74
|
82
|
90
|
80
|
68
|
100
|
94
|
82
|
81
|
73
|
71
|
71
|
66
|
66
|
73
|
115
|
77
|
53
|
63
|
67
|
72
|
68
|
61
|
66
|
|
2025/11
|
56
|
58
|
69
|
71
|
87
|
75
|
47
|
64
|
96
|
90
|
79
|
68
|
60
|
68
|
75
|
61
|
20
|
30
|
57
|
63
|
65
|
73
|
90
|
133
|
73
|
229
|
221
|
104
|
95
|
97
|
|
|
2025/10
|
55
|
32
|
43
|
38
|
33
|
27
|
28
|
27
|
13
|
13
|
26
|
30
|
39
|
44
|
32
|
43
|
34
|
39
|
45
|
46
|
42
|
46
|
58
|
63
|
44
|
49
|
55
|
61
|
63
|
64
|
58
|
|
2025/09
|
43
|
50
|
19
|
21
|
54
|
49
|
61
|
60
|
54
|
52
|
38
|
24
|
42
|
55
|
61
|
34
|
28
|
23
|
20
|
41
|
27
|
21
|
33
|
38
|
45
|
50
|
34
|
45
|
50
|
57
|
|
|
2025/08
|
47
|
50
|
54
|
41
|
39
|
46
|
47
|
42
|
32
|
35
|
40
|
43
|
43
|
52
|
40
|
22
|
42
|
42
|
40
|
26
|
39
|
42
|
20
|
34
|
44
|
40
|
24
|
27
|
29
|
37
|
39
|
|
2025/07
|
31
|
34
|
26
|
33
|
25
|
37
|
31
|
40
|
42
|
48
|
53
|
58
|
56
|
48
|
53
|
45
|
45
|
52
|
48
|
29
|
36
|
51
|
33
|
30
|
29
|
28
|
31
|
47
|
41
|
41
|
47
|
|
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
|
|
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