Air Quality
Excellent
No health implications.
3
PM2.5
24
PM10
78
O3
0.4
CO
2
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Jun
87
Good
Sun
29 Jun
90
Good
Mon
30 Jun
58
Good
Tue
1 Jul
57
Good
Wed
2 Jul
85
Good
Thu
3 Jul
96
Good
Fri
4 Jul
27
Excellent
Xi'an Air quality rank
Air quality in the last 12 months (Xi'an)
|
2025/05
|
27
|
29
|
25
|
29
|
36
|
31
|
44
|
45
|
42
|
34
|
44
|
46
|
40
|
39
|
35
|
29
|
24
|
32
|
28
|
33
|
45
|
49
|
41
|
41
|
34
|
37
|
44
|
42
|
42
|
47
|
52
|
|
2025/04
|
51
|
46
|
75
|
64
|
36
|
29
|
37
|
52
|
64
|
67
|
58
|
28
|
15
|
29
|
37
|
42
|
45
|
35
|
34
|
51
|
61
|
19
|
40
|
71
|
76
|
101
|
80
|
58
|
55
|
53
|
|
|
2025/03
|
81
|
34
|
39
|
33
|
54
|
57
|
47
|
56
|
74
|
57
|
47
|
89
|
37
|
45
|
60
|
67
|
83
|
65
|
66
|
74
|
68
|
167
|
155
|
88
|
115
|
78
|
46
|
41
|
36
|
49
|
62
|
|
2025/02
|
126
|
137
|
52
|
77
|
88
|
78
|
46
|
26
|
53
|
75
|
50
|
62
|
73
|
76
|
71
|
45
|
35
|
63
|
73
|
69
|
67
|
67
|
70
|
62
|
72
|
45
|
58
|
80
|
|||
|
2025/01
|
32
|
30
|
49
|
63
|
83
|
82
|
53
|
38
|
53
|
64
|
83
|
101
|
84
|
53
|
33
|
47
|
57
|
53
|
59
|
76
|
87
|
100
|
97
|
86
|
82
|
90
|
63
|
75
|
79
|
66
|
101
|
|
2024/12
|
38
|
23
|
21
|
19
|
25
|
28
|
42
|
48
|
62
|
58
|
44
|
53
|
64
|
39
|
25
|
30
|
43
|
57
|
62
|
61
|
58
|
46
|
52
|
45
|
46
|
30
|
29
|
37
|
48
|
46
|
31
|
|
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
|
|
|
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