Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
37
PM2.5
67
*
PM10
138
O3
0.6
CO
8
SO2
10
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
14 Sep
94
Good
Tue
15 Sep
90
Good
Wed
16 Sep
89
Good
Thu
17 Sep
55
Good
Fri
18 Sep
63
Good
Sat
19 Sep
73
Good
Sun
20 Sep
20
Excellent
Air quality in the last 12 months (Xian'an)
|
2026/08
|
15
|
18
|
20
|
26
|
30
|
29
|
36
|
32
|
38
|
28
|
15
|
15
|
28
|
25
|
29
|
28
|
33
|
37
|
37
|
34
|
31
|
28
|
26
|
24
|
23
|
28
|
28
|
40
|
38
|
39
|
31
|
|
2026/07
|
22
|
16
|
14
|
14
|
13
|
15
|
15
|
14
|
15
|
21
|
29
|
31
|
32
|
29
|
21
|
20
|
20
|
26
|
30
|
32
|
27
|
15
|
19
|
23
|
28
|
27
|
17
|
15
|
17
|
16
|
17
|
|
2026/06
|
50
|
49
|
34
|
39
|
58
|
50
|
50
|
33
|
35
|
39
|
47
|
32
|
23
|
27
|
43
|
39
|
37
|
34
|
18
|
21
|
18
|
20
|
21
|
20
|
23
|
37
|
44
|
41
|
37
|
21
|
|
|
2026/05
|
31
|
26
|
37
|
34
|
34
|
35
|
44
|
46
|
37
|
36
|
40
|
47
|
30
|
26
|
33
|
24
|
23
|
22
|
17
|
30
|
36
|
23
|
21
|
27
|
28
|
21
|
27
|
35
|
52
|
48
|
50
|
|
2026/04
|
40
|
35
|
43
|
48
|
66
|
63
|
76
|
49
|
34
|
42
|
48
|
45
|
46
|
36
|
34
|
47
|
42
|
49
|
50
|
53
|
27
|
21
|
36
|
36
|
34
|
43
|
54
|
33
|
28
|
32
|
|
|
2026/03
|
26
|
35
|
54
|
67
|
75
|
64
|
69
|
70
|
79
|
62
|
47
|
56
|
53
|
50
|
104
|
20
|
18
|
29
|
44
|
61
|
42
|
53
|
59
|
71
|
59
|
56
|
62
|
53
|
54
|
36
|
33
|
|
2026/02
|
49
|
57
|
70
|
64
|
86
|
84
|
50
|
60
|
51
|
60
|
76
|
78
|
82
|
63
|
71
|
42
|
82
|
75
|
97
|
68
|
46
|
64
|
89
|
42
|
31
|
27
|
41
|
35
|
|||
|
2026/01
|
32
|
51
|
58
|
59
|
89
|
63
|
50
|
61
|
67
|
64
|
73
|
68
|
67
|
55
|
90
|
88
|
164
|
175
|
28
|
51
|
64
|
76
|
60
|
68
|
74
|
126
|
103
|
57
|
66
|
28
|
44
|
|
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
|
|
|
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