Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
10
PM2.5
20
PM10
177
O3
0.3
CO
8
SO2
12
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
9 Jun
87
Good
Tue
10 Jun
46
Excellent
Wed
11 Jun
53
Good
Thu
12 Jun
101
Light
Fri
13 Jun
105
Light
Sat
14 Jun
75
Good
Sun
15 Jun
39
Excellent
Air quality in the last 12 months (Xi'an)
|
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
|
|
|
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
|
|
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