Air Quality
Excellent
No health implications.
11
PM2.5
32
PM10
50
O3
0.6
CO
4
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Aug
69
Good
Thu
21 Aug
63
Good
Fri
22 Aug
70
Good
Sat
23 Aug
64
Good
Sun
24 Aug
68
Good
Mon
25 Aug
42
Excellent
Tue
26 Aug
44
Excellent
Air quality in the last 12 months (Xi County)
|
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
|
|
|
2024/08
|
46
|
51
|
41
|
42
|
40
|
34
|
23
|
37
|
38
|
75
|
32
|
42
|
45
|
45
|
48
|
44
|
43
|
34
|
44
|
37
|
39
|
50
|
55
|
56
|
53
|
21
|
34
|
47
|
55
|
54
|
59
|
|
2024/07
|
43
|
49
|
41
|
40
|
44
|
46
|
48
|
44
|
46
|
48
|
49
|
50
|
53
|
56
|
52
|
29
|
35
|
36
|
42
|
27
|
44
|
54
|
46
|
27
|
53
|
50
|
53
|
53
|
49
|
22
|
39
|
|
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