Air Quality
Excellent
No health implications.
27
PM2.5
39
PM10
8
O3
0.7
CO
3
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Jan
95
Good
Thu
29 Jan
105
Light
Fri
30 Jan
90
Good
Sat
31 Jan
54
Good
Sun
1 Feb
62
Good
Mon
2 Feb
18
Excellent
Tue
3 Feb
39
Excellent
Xian'an Air quality rank
Air quality in the last 12 months (Xian'an)
|
2025/12
|
72
|
100
|
65
|
72
|
95
|
70
|
89
|
120
|
101
|
103
|
121
|
105
|
39
|
47
|
51
|
56
|
138
|
137
|
76
|
142
|
73
|
46
|
53
|
88
|
73
|
62
|
73
|
68
|
66
|
108
|
99
|
|
2025/11
|
47
|
51
|
64
|
60
|
49
|
46
|
38
|
25
|
46
|
55
|
73
|
56
|
53
|
50
|
50
|
50
|
51
|
32
|
31
|
39
|
47
|
54
|
65
|
54
|
84
|
55
|
92
|
70
|
58
|
52
|
|
|
2025/10
|
34
|
36
|
31
|
41
|
53
|
37
|
42
|
43
|
41
|
48
|
62
|
70
|
43
|
49
|
53
|
29
|
40
|
12
|
12
|
25
|
21
|
30
|
40
|
42
|
57
|
62
|
62
|
54
|
62
|
72
|
48
|
|
2025/09
|
15
|
19
|
22
|
22
|
28
|
36
|
33
|
26
|
23
|
21
|
15
|
19
|
27
|
24
|
25
|
30
|
34
|
24
|
20
|
20
|
32
|
44
|
32
|
10
|
17
|
35
|
41
|
41
|
40
|
34
|
|
|
2025/08
|
32
|
35
|
39
|
34
|
28
|
21
|
13
|
12
|
20
|
29
|
14
|
16
|
26
|
21
|
11
|
16
|
18
|
25
|
20
|
15
|
14
|
15
|
14
|
17
|
15
|
20
|
20
|
17
|
26
|
32
|
16
|
|
2025/07
|
14
|
16
|
17
|
24
|
33
|
28
|
32
|
29
|
21
|
20
|
36
|
23
|
22
|
27
|
24
|
21
|
28
|
29
|
36
|
24
|
17
|
10
|
15
|
18
|
22
|
26
|
20
|
22
|
25
|
21
|
25
|
|
2025/06
|
12
|
20
|
38
|
42
|
33
|
31
|
25
|
12
|
20
|
22
|
22
|
21
|
20
|
19
|
29
|
40
|
27
|
15
|
12
|
18
|
15
|
11
|
16
|
18
|
21
|
23
|
15
|
13
|
11
|
16
|
|
|
2025/05
|
41
|
54
|
55
|
52
|
36
|
108
|
126
|
38
|
37
|
44
|
36
|
33
|
33
|
49
|
51
|
17
|
30
|
68
|
49
|
23
|
19
|
20
|
38
|
55
|
41
|
41
|
49
|
27
|
21
|
21
|
15
|
|
2025/04
|
64
|
55
|
60
|
58
|
67
|
67
|
63
|
60
|
51
|
40
|
39
|
232
|
122
|
127
|
54
|
58
|
68
|
69
|
69
|
63
|
29
|
46
|
51
|
45
|
45
|
34
|
37
|
55
|
52
|
43
|
|
|
2025/03
|
46
|
36
|
14
|
33
|
49
|
46
|
50
|
61
|
49
|
42
|
35
|
58
|
44
|
45
|
29
|
49
|
30
|
40
|
44
|
40
|
40
|
47
|
54
|
51
|
51
|
58
|
79
|
61
|
62
|
69
|
72
|
|
2025/02
|
62
|
47
|
59
|
58
|
45
|
46
|
79
|
42
|
37
|
39
|
46
|
76
|
86
|
53
|
62
|
58
|
44
|
29
|
35
|
55
|
58
|
30
|
72
|
93
|
82
|
53
|
34
|
40
|
|||
|
2025/01
|
77
|
106
|
162
|
143
|
104
|
68
|
79
|
68
|
57
|
48
|
58
|
66
|
56
|
81
|
68
|
57
|
61
|
65
|
67
|
76
|
73
|
73
|
183
|
139
|
27
|
35
|
54
|
60
|
85
|
54
|
74
|
|
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