Air Quality
Excellent
No health implications.
17
PM2.5
30
PM10
101
O3
0.5
CO
5
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Oct
65
Good
Thu
8 Oct
65
Good
Fri
9 Oct
71
Good
Sat
10 Oct
68
Good
Sun
11 Oct
56
Good
Mon
12 Oct
66
Good
Tue
13 Oct
26
Excellent
Air quality in the last 12 months (Yichuan)
|
2026/08
|
34
|
36
|
21
|
30
|
43
|
46
|
41
|
45
|
47
|
51
|
49
|
35
|
31
|
38
|
46
|
36
|
46
|
37
|
44
|
50
|
52
|
46
|
48
|
53
|
47
|
40
|
34
|
31
|
48
|
45
|
37
|
|
2026/07
|
39
|
39
|
43
|
42
|
44
|
47
|
46
|
51
|
55
|
50
|
30
|
29
|
46
|
51
|
32
|
41
|
30
|
45
|
58
|
43
|
49
|
41
|
48
|
40
|
48
|
44
|
31
|
34
|
30
|
34
|
32
|
|
2026/06
|
67
|
61
|
61
|
49
|
47
|
41
|
38
|
38
|
35
|
35
|
50
|
51
|
44
|
50
|
54
|
56
|
57
|
43
|
36
|
30
|
35
|
37
|
36
|
48
|
35
|
45
|
48
|
48
|
48
|
35
|
|
|
2026/05
|
54
|
33
|
40
|
51
|
51
|
58
|
47
|
46
|
50
|
63
|
71
|
74
|
61
|
43
|
65
|
42
|
27
|
33
|
46
|
44
|
49
|
34
|
47
|
50
|
32
|
39
|
58
|
47
|
48
|
45
|
55
|
|
2026/04
|
52
|
65
|
122
|
76
|
85
|
77
|
75
|
67
|
64
|
60
|
58
|
59
|
53
|
56
|
55
|
42
|
47
|
62
|
152
|
120
|
55
|
39
|
50
|
59
|
60
|
65
|
139
|
68
|
58
|
56
|
|
|
2026/03
|
27
|
41
|
71
|
74
|
63
|
39
|
50
|
73
|
80
|
102
|
69
|
79
|
133
|
62
|
55
|
71
|
69
|
77
|
76
|
82
|
86
|
101
|
83
|
67
|
76
|
72
|
64
|
71
|
57
|
59
|
47
|
|
2026/02
|
96
|
70
|
69
|
93
|
104
|
77
|
39
|
46
|
68
|
97
|
89
|
91
|
89
|
88
|
63
|
68
|
164
|
84
|
67
|
68
|
160
|
444
|
119
|
71
|
75
|
84
|
55
|
28
|
|||
|
2026/01
|
88
|
90
|
116
|
112
|
70
|
44
|
58
|
63
|
69
|
74
|
59
|
74
|
83
|
99
|
109
|
84
|
91
|
81
|
40
|
34
|
54
|
69
|
88
|
90
|
117
|
143
|
116
|
121
|
109
|
122
|
120
|
|
2025/12
|
83
|
51
|
53
|
70
|
81
|
97
|
90
|
79
|
92
|
107
|
94
|
65
|
96
|
101
|
95
|
102
|
86
|
80
|
85
|
57
|
65
|
76
|
96
|
84
|
54
|
64
|
75
|
90
|
87
|
74
|
64
|
|
2025/11
|
64
|
66
|
70
|
74
|
82
|
69
|
41
|
50
|
91
|
90
|
83
|
73
|
59
|
75
|
83
|
66
|
22
|
32
|
57
|
67
|
72
|
83
|
89
|
114
|
79
|
192
|
199
|
108
|
102
|
96
|
|
|
2025/10
|
49
|
32
|
41
|
36
|
32
|
21
|
22
|
26
|
15
|
14
|
20
|
23
|
36
|
43
|
29
|
36
|
31
|
31
|
43
|
35
|
36
|
47
|
61
|
65
|
44
|
52
|
56
|
64
|
68
|
74
|
61
|
|
2025/09
|
42
|
41
|
18
|
15
|
43
|
49
|
61
|
57
|
50
|
46
|
30
|
24
|
41
|
51
|
51
|
35
|
26
|
20
|
21
|
42
|
23
|
18
|
28
|
36
|
42
|
43
|
34
|
44
|
47
|
56
|
|
|
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