Air Quality
Moderate
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
66
PM2.5
285
*
PM10
102
O3
0.6
CO
13
SO2
12
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
21 Feb
104
Light
Sun
22 Feb
57
Good
Mon
23 Feb
73
Good
Tue
24 Feb
108
Light
Wed
25 Feb
120
Light
Thu
26 Feb
109
Light
Fri
27 Feb
17
Excellent
Xian County Air quality rank
Air quality in the last 12 months (Xian County)
|
2026/01
|
54
|
68
|
138
|
206
|
174
|
148
|
49
|
66
|
130
|
56
|
41
|
78
|
68
|
87
|
142
|
86
|
49
|
46
|
39
|
41
|
59
|
113
|
132
|
204
|
118
|
90
|
140
|
162
|
68
|
81
|
140
|
|
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
|
|||
|
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