Air Quality
Excellent
No health implications.
7
PM2.5
18
PM10
66
O3
0.6
CO
7
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Jan
46
Excellent
Sat
4 Jan
57
Good
Sun
5 Jan
50
Excellent
Mon
6 Jan
50
Excellent
Tue
7 Jan
56
Good
Wed
8 Jan
52
Good
Thu
9 Jan
20
Excellent
Xi'an Air quality rank
Air quality in the last 12 months (Xi'an)
|
2024/11
|
85
|
144
|
117
|
31
|
19
|
30
|
43
|
52
|
41
|
32
|
37
|
38
|
49
|
21
|
26
|
36
|
28
|
35
|
34
|
50
|
51
|
53
|
68
|
53
|
37
|
51
|
33
|
42
|
33
|
55
|
|
|
2024/10
|
18
|
28
|
28
|
33
|
41
|
44
|
32
|
40
|
45
|
27
|
32
|
40
|
56
|
44
|
20
|
38
|
64
|
43
|
28
|
45
|
17
|
35
|
37
|
52
|
70
|
83
|
35
|
46
|
66
|
74
|
78
|
|
2024/09
|
17
|
20
|
23
|
22
|
19
|
20
|
22
|
24
|
26
|
21
|
28
|
25
|
24
|
23
|
36
|
32
|
28
|
30
|
24
|
18
|
20
|
29
|
28
|
24
|
23
|
26
|
33
|
35
|
28
|
17
|
|
|
2024/08
|
15
|
20
|
16
|
23
|
13
|
15
|
27
|
33
|
25
|
26
|
22
|
26
|
20
|
22
|
28
|
29
|
33
|
32
|
21
|
26
|
12
|
16
|
21
|
27
|
17
|
21
|
20
|
21
|
24
|
30
|
22
|
|
2024/07
|
48
|
41
|
10
|
28
|
38
|
26
|
24
|
51
|
38
|
46
|
54
|
59
|
55
|
54
|
54
|
29
|
12
|
25
|
25
|
19
|
22
|
15
|
20
|
12
|
15
|
8
|
9
|
8
|
13
|
23
|
19
|
|
2024/06
|
27
|
16
|
24
|
24
|
32
|
20
|
23
|
17
|
20
|
25
|
27
|
31
|
28
|
13
|
14
|
16
|
24
|
28
|
38
|
27
|
31
|
41
|
34
|
8
|
12
|
24
|
35
|
30
|
17
|
23
|
|
|
2024/05
|
30
|
34
|
39
|
37
|
26
|
33
|
34
|
28
|
38
|
44
|
54
|
27
|
34
|
39
|
18
|
26
|
35
|
37
|
18
|
12
|
20
|
29
|
23
|
20
|
21
|
11
|
11
|
23
|
33
|
27
|
14
|
|
2024/04
|
57
|
80
|
61
|
83
|
110
|
61
|
104
|
84
|
87
|
155
|
45
|
48
|
37
|
31
|
102
|
110
|
52
|
44
|
56
|
171
|
97
|
44
|
41
|
32
|
42
|
47
|
44
|
20
|
29
|
38
|
|
|
2024/03
|
25
|
38
|
30
|
40
|
37
|
39
|
39
|
32
|
35
|
58
|
62
|
31
|
39
|
51
|
47
|
57
|
37
|
52
|
35
|
37
|
46
|
32
|
39
|
29
|
36
|
55
|
65
|
182
|
55
|
42
|
41
|
|
2024/02
|
91
|
104
|
120
|
107
|
97
|
112
|
107
|
90
|
158
|
297
|
90
|
55
|
72
|
40
|
39
|
36
|
33
|
31
|
29
|
31
|
30
|
44
|
48
|
116
|
112
|
64
|
43
|
72
|
57
|
||
|
2024/01
|
70
|
73
|
90
|
49
|
36
|
42
|
28
|
35
|
64
|
53
|
34
|
40
|
55
|
30
|
44
|
68
|
40
|
45
|
69
|
43
|
40
|
31
|
49
|
43
|
69
|
72
|
68
|
70
|
85
|
116
|
78
|
|
2023/12
|
39
|
29
|
31
|
53
|
71
|
49
|
31
|
58
|
25
|
25
|
27
|
44
|
49
|
31
|
41
|
27
|
34
|
70
|
75
|
53
|
55
|
59
|
79
|
78
|
60
|
46
|
72
|
92
|
82
|
75
|
72
|
|
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