Air Quality
Excellent
No health implications.
25
PM2.5
40
PM10
22
O3
1.0
CO
4
SO2
27
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 Oct
39
Excellent
Tue
7 Oct
45
Excellent
Wed
8 Oct
51
Good
Thu
9 Oct
55
Good
Fri
10 Oct
47
Excellent
Sat
11 Oct
47
Excellent
Sun
12 Oct
25
Excellent
Xi County Air quality rank
Air quality in the last 12 months (Xi County)
|
2025/08
|
54
|
52
|
52
|
49
|
42
|
44
|
47
|
46
|
34
|
43
|
47
|
52
|
50
|
56
|
42
|
21
|
44
|
45
|
45
|
32
|
35
|
47
|
27
|
37
|
49
|
42
|
31
|
34
|
40
|
54
|
52
|
|
2025/07
|
44
|
39
|
34
|
41
|
28
|
43
|
39
|
46
|
41
|
49
|
59
|
59
|
56
|
53
|
57
|
49
|
48
|
53
|
54
|
38
|
44
|
54
|
33
|
29
|
30
|
38
|
39
|
50
|
42
|
46
|
44
|
|
2025/06
|
55
|
51
|
42
|
48
|
57
|
57
|
62
|
54
|
66
|
53
|
62
|
60
|
58
|
43
|
40
|
46
|
47
|
55
|
40
|
44
|
42
|
51
|
54
|
50
|
57
|
46
|
50
|
38
|
47
|
44
|
|
|
2025/05
|
74
|
94
|
42
|
75
|
230
|
143
|
109
|
88
|
53
|
50
|
52
|
63
|
74
|
54
|
58
|
99
|
156
|
71
|
78
|
73
|
74
|
118
|
45
|
48
|
53
|
50
|
50
|
58
|
64
|
58
|
47
|
|
2025/04
|
69
|
60
|
89
|
108
|
68
|
89
|
107
|
96
|
76
|
56
|
173
|
177
|
110
|
47
|
58
|
110
|
149
|
101
|
73
|
76
|
129
|
140
|
103
|
54
|
64
|
68
|
58
|
52
|
67
|
105
|
|
|
2025/03
|
82
|
80
|
40
|
48
|
69
|
69
|
73
|
75
|
77
|
78
|
188
|
264
|
97
|
82
|
48
|
40
|
51
|
48
|
49
|
51
|
63
|
77
|
133
|
394
|
411
|
303
|
242
|
159
|
55
|
53
|
65
|
|
2025/02
|
125
|
86
|
33
|
53
|
37
|
106
|
47
|
38
|
56
|
74
|
76
|
76
|
64
|
72
|
80
|
73
|
69
|
80
|
73
|
78
|
87
|
78
|
50
|
52
|
68
|
70
|
74
|
73
|
|||
|
2025/01
|
82
|
66
|
69
|
84
|
94
|
58
|
53
|
51
|
55
|
63
|
74
|
61
|
98
|
69
|
54
|
60
|
75
|
84
|
82
|
88
|
89
|
100
|
135
|
139
|
77
|
83
|
36
|
68
|
149
|
96
|
119
|
|
2024/12
|
74
|
62
|
61
|
57
|
49
|
59
|
48
|
55
|
72
|
75
|
78
|
78
|
78
|
64
|
71
|
72
|
74
|
63
|
73
|
74
|
48
|
67
|
84
|
110
|
120
|
78
|
52
|
61
|
74
|
88
|
77
|
|
2024/11
|
66
|
65
|
80
|
57
|
61
|
67
|
77
|
85
|
94
|
106
|
117
|
108
|
70
|
61
|
73
|
76
|
62
|
60
|
48
|
71
|
83
|
86
|
100
|
103
|
57
|
59
|
80
|
44
|
55
|
71
|
|
|
2024/10
|
72
|
51
|
47
|
64
|
69
|
80
|
62
|
52
|
59
|
55
|
61
|
66
|
64
|
79
|
70
|
98
|
65
|
32
|
33
|
27
|
38
|
36
|
55
|
61
|
74
|
68
|
65
|
66
|
70
|
65
|
59
|
|
2024/09
|
53
|
47
|
47
|
48
|
25
|
49
|
36
|
50
|
55
|
45
|
44
|
41
|
52
|
38
|
50
|
46
|
46
|
51
|
44
|
36
|
27
|
50
|
59
|
65
|
64
|
67
|
79
|
63
|
32
|
27
|
|
|
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