Air Quality
Moderate
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
117
*
PM2.5
157
PM10
62
O3
0.9
CO
6
SO2
34
NO2
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
Advise
Children, seniors and individuals with respiratory or heart diseases should avoid sustained and high-intensity outdoor exercises. General population should moderately reduce outdoor activities.
Air Quality
Today
31 Jan
128
Light
Sun
1 Feb
178
Moderate
Mon
2 Feb
97
Good
Tue
3 Feb
99
Good
Wed
4 Feb
147
Light
Thu
5 Feb
94
Good
Fri
6 Feb
27
Excellent
Air quality in the last 12 months (Xian County)
|
2025/12
|
68
|
34
|
47
|
59
|
76
|
130
|
101
|
39
|
106
|
152
|
92
|
30
|
62
|
70
|
111
|
133
|
110
|
152
|
250
|
99
|
49
|
66
|
81
|
72
|
32
|
56
|
102
|
167
|
133
|
81
|
32
|
|
2025/11
|
81
|
33
|
64
|
106
|
147
|
161
|
63
|
70
|
72
|
82
|
118
|
143
|
74
|
78
|
137
|
103
|
40
|
49
|
58
|
57
|
65
|
96
|
104
|
164
|
37
|
125
|
45
|
130
|
154
|
170
|
|
|
2025/10
|
85
|
37
|
45
|
49
|
30
|
26
|
45
|
34
|
10
|
18
|
20
|
40
|
35
|
48
|
88
|
71
|
40
|
24
|
35
|
36
|
50
|
61
|
68
|
80
|
101
|
70
|
72
|
152
|
128
|
155
|
103
|
|
2025/09
|
36
|
38
|
49
|
51
|
53
|
46
|
62
|
65
|
46
|
50
|
59
|
48
|
58
|
62
|
56
|
43
|
30
|
39
|
28
|
41
|
57
|
35
|
45
|
52
|
65
|
56
|
36
|
59
|
71
|
76
|
|
|
2025/08
|
39
|
35
|
46
|
29
|
45
|
35
|
41
|
36
|
26
|
36
|
40
|
39
|
33
|
51
|
40
|
12
|
24
|
24
|
36
|
21
|
30
|
23
|
33
|
14
|
31
|
39
|
42
|
19
|
36
|
26
|
27
|
|
2025/07
|
20
|
24
|
19
|
32
|
30
|
24
|
31
|
34
|
44
|
53
|
54
|
54
|
41
|
39
|
44
|
38
|
41
|
40
|
48
|
40
|
41
|
40
|
24
|
28
|
37
|
40
|
33
|
38
|
25
|
30
|
28
|
|
2025/06
|
82
|
79
|
40
|
37
|
62
|
79
|
75
|
63
|
75
|
43
|
72
|
84
|
76
|
53
|
36
|
31
|
51
|
66
|
46
|
42
|
48
|
47
|
59
|
53
|
66
|
60
|
58
|
56
|
48
|
34
|
|
|
2025/05
|
54
|
69
|
42
|
52
|
69
|
45
|
75
|
75
|
43
|
36
|
55
|
65
|
69
|
58
|
39
|
84
|
107
|
69
|
97
|
92
|
75
|
73
|
71
|
55
|
53
|
67
|
63
|
66
|
68
|
64
|
64
|
|
2025/04
|
71
|
35
|
61
|
92
|
44
|
79
|
95
|
77
|
60
|
75
|
136
|
175
|
55
|
53
|
57
|
91
|
103
|
59
|
43
|
69
|
71
|
66
|
79
|
55
|
69
|
88
|
77
|
62
|
68
|
83
|
|
|
2025/03
|
196
|
85
|
56
|
45
|
73
|
55
|
96
|
114
|
108
|
109
|
128
|
142
|
131
|
77
|
51
|
36
|
55
|
35
|
54
|
55
|
55
|
69
|
119
|
121
|
70
|
93
|
99
|
56
|
36
|
63
|
76
|
|
2025/02
|
70
|
97
|
37
|
27
|
40
|
94
|
35
|
28
|
58
|
100
|
127
|
96
|
80
|
90
|
101
|
53
|
41
|
57
|
71
|
71
|
64
|
55
|
40
|
65
|
81
|
87
|
138
|
183
|
|||
|
2025/01
|
120
|
46
|
62
|
131
|
133
|
37
|
50
|
47
|
38
|
58
|
80
|
72
|
84
|
92
|
44
|
65
|
78
|
128
|
111
|
87
|
125
|
54
|
68
|
86
|
102
|
105
|
29
|
73
|
270
|
76
|
68
|
|
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