Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
101
*
PM2.5
119
PM10
21
O3
0.8
CO
4
SO2
32
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
26 Jan
137
Light
Tue
27 Jan
155
Moderate
Wed
28 Jan
184
Moderate
Thu
29 Jan
162
Moderate
Fri
30 Jan
102
Light
Sat
31 Jan
86
Good
Sun
1 Feb
37
Excellent
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