Air Quality
Excellent
No health implications.
14
PM2.5
20
PM10
47
O3
0.2
CO
4
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Jun
52
Good
Tue
9 Jun
53
Good
Wed
10 Jun
51
Good
Thu
11 Jun
57
Good
Fri
12 Jun
83
Good
Sat
13 Jun
69
Good
Sun
14 Jun
46
Excellent
Air quality in the last 12 months (Xi'an)
|
2026/04
|
76
|
169
|
187
|
59
|
51
|
50
|
36
|
37
|
71
|
48
|
30
|
42
|
35
|
45
|
39
|
55
|
42
|
37
|
48
|
61
|
55
|
42
|
38
|
41
|
33
|
31
|
30
|
38
|
42
|
39
|
|
|
2026/03
|
40
|
38
|
57
|
47
|
51
|
44
|
41
|
43
|
43
|
50
|
61
|
53
|
68
|
47
|
78
|
80
|
164
|
184
|
73
|
72
|
87
|
114
|
73
|
71
|
92
|
138
|
178
|
132
|
133
|
35
|
53
|
|
2026/02
|
47
|
61
|
62
|
80
|
48
|
35
|
35
|
35
|
61
|
97
|
65
|
60
|
88
|
112
|
58
|
79
|
124
|
34
|
62
|
84
|
105
|
68
|
77
|
57
|
54
|
55
|
48
|
49
|
|||
|
2026/01
|
38
|
39
|
53
|
51
|
46
|
61
|
56
|
35
|
64
|
63
|
46
|
67
|
64
|
48
|
59
|
44
|
45
|
56
|
55
|
37
|
38
|
37
|
40
|
40
|
37
|
51
|
56
|
61
|
43
|
37
|
44
|
|
2025/12
|
50
|
42
|
38
|
39
|
40
|
47
|
46
|
50
|
40
|
44
|
44
|
46
|
54
|
55
|
74
|
45
|
41
|
69
|
80
|
49
|
39
|
63
|
63
|
58
|
59
|
38
|
49
|
60
|
47
|
42
|
42
|
|
2025/11
|
65
|
59
|
52
|
51
|
77
|
87
|
45
|
54
|
54
|
32
|
53
|
72
|
51
|
88
|
116
|
112
|
43
|
76
|
45
|
76
|
74
|
66
|
76
|
119
|
52
|
76
|
89
|
50
|
62
|
42
|
|
|
2025/10
|
33
|
39
|
42
|
35
|
27
|
30
|
31
|
38
|
29
|
37
|
53
|
36
|
46
|
47
|
51
|
35
|
42
|
35
|
35
|
29
|
37
|
43
|
48
|
58
|
76
|
75
|
96
|
95
|
163
|
51
|
43
|
|
2025/09
|
30
|
29
|
29
|
28
|
30
|
33
|
35
|
32
|
28
|
31
|
31
|
35
|
45
|
37
|
29
|
28
|
24
|
26
|
27
|
34
|
36
|
28
|
34
|
37
|
26
|
27
|
28
|
32
|
44
|
42
|
|
|
2025/08
|
26
|
27
|
26
|
25
|
21
|
25
|
23
|
20
|
27
|
26
|
29
|
26
|
29
|
26
|
25
|
32
|
26
|
22
|
25
|
25
|
22
|
24
|
24
|
26
|
29
|
28
|
26
|
26
|
22
|
26
|
38
|
|
2025/07
|
17
|
20
|
22
|
25
|
23
|
22
|
20
|
30
|
25
|
23
|
20
|
20
|
25
|
26
|
21
|
19
|
17
|
20
|
18
|
23
|
26
|
21
|
30
|
25
|
27
|
28
|
29
|
26
|
25
|
17
|
24
|
|
2025/06
|
41
|
34
|
35
|
26
|
29
|
25
|
26
|
27
|
30
|
26
|
22
|
22
|
29
|
34
|
28
|
24
|
24
|
34
|
23
|
27
|
20
|
22
|
24
|
31
|
34
|
28
|
36
|
36
|
24
|
24
|
|
|
2025/05
|
32
|
29
|
31
|
28
|
26
|
34
|
39
|
46
|
44
|
27
|
41
|
39
|
44
|
35
|
22
|
30
|
39
|
26
|
25
|
28
|
39
|
38
|
26
|
38
|
29
|
29
|
29
|
40
|
37
|
45
|
44
|
|
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