Air Quality
Excellent
No health implications.
16
PM2.5
38
PM10
44
O3
0.6
CO
6
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jun
81
Good
Fri
20 Jun
88
Good
Sat
21 Jun
92
Good
Sun
22 Jun
84
Good
Mon
23 Jun
91
Good
Tue
24 Jun
94
Good
Wed
25 Jun
45
Excellent
Air quality in the last 12 months (Yanchuan)
|
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
|
|
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
|
|
|
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