Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 May
Wed
20 May
Thu
21 May
Fri
22 May
Sat
23 May
Sun
24 May
Mon
25 May
Real-time AQI (Monitoring Station in Xi'an)
兴庆小区
3513
PM2.5
35
PM10
57
O3
0.4
CO
7
SO2
14
NO2
纺织城
5315
PM2.5
53 *
PM10
5
O3
0.6
CO
6
SO2
46
NO2
小寨
3512
PM2.5
35
PM10
7
O3
0.5
CO
6
SO2
16
NO2
市人民体育场
2914
PM2.5
29
PM10
50
O3
0.7
CO
6
SO2
18
NO2
高新西区
3217
PM2.5
32
PM10
43
O3
0.5
CO
4
SO2
14
NO2
经开区
4422
PM2.5
44
PM10
24
O3
0.6
CO
4
SO2
35
NO2
长安区
2312
PM2.5
23
PM10
25
O3
0.5
CO
6
SO2
16
NO2
临潼区
3819
PM2.5
38
PM10
34
O3
0.7
CO
7
SO2
25
NO2
广运潭
3015
PM2.5
30
PM10
43
O3
0.6
CO
6
SO2
22
NO2
无线电监控中心
5729
PM2.5
59 *
PM10
18
O3
0.7
CO
3
SO2
28
NO2
行知小学
4418
PM2.5
44
PM10
22
O3
0.8
CO
4
SO2
40
NO2
西苑北路977号
3010
PM2.5
30
PM10
45
O3
0.5
CO
9
SO2
12
NO2
Air quality in the last 12 months (Xi'an)
|
2026/04
|
62
|
69
|
99
|
114
|
85
|
88
|
96
|
75
|
70
|
70
|
72
|
61
|
60
|
59
|
55
|
47
|
64
|
63
|
188
|
93
|
36
|
29
|
47
|
64
|
63
|
73
|
77
|
89
|
67
|
59
|
|
|
2026/03
|
18
|
37
|
60
|
130
|
96
|
65
|
52
|
62
|
55
|
113
|
123
|
109
|
127
|
70
|
41
|
62
|
57
|
89
|
106
|
94
|
94
|
104
|
108
|
75
|
80
|
91
|
68
|
60
|
62
|
36
|
51
|
|
2026/02
|
130
|
109
|
116
|
125
|
136
|
129
|
69
|
70
|
81
|
144
|
136
|
113
|
83
|
111
|
74
|
53
|
176
|
111
|
81
|
57
|
186
|
321
|
141
|
53
|
70
|
64
|
61
|
57
|
|||
|
2026/01
|
76
|
130
|
157
|
76
|
55
|
42
|
57
|
62
|
63
|
62
|
68
|
70
|
82
|
117
|
110
|
100
|
106
|
135
|
68
|
34
|
61
|
105
|
157
|
187
|
196
|
157
|
161
|
172
|
154
|
140
|
131
|
|
2025/12
|
89
|
81
|
77
|
95
|
134
|
151
|
85
|
95
|
125
|
138
|
136
|
103
|
81
|
91
|
112
|
123
|
126
|
170
|
128
|
64
|
71
|
113
|
97
|
95
|
74
|
84
|
116
|
158
|
161
|
183
|
122
|
|
2025/11
|
62
|
74
|
97
|
106
|
99
|
68
|
46
|
56
|
66
|
94
|
93
|
94
|
75
|
93
|
109
|
77
|
30
|
36
|
52
|
65
|
80
|
83
|
60
|
81
|
78
|
143
|
135
|
97
|
77
|
80
|
|
|
2025/10
|
21
|
26
|
42
|
28
|
18
|
15
|
13
|
40
|
20
|
15
|
11
|
12
|
25
|
52
|
31
|
40
|
12
|
29
|
37
|
26
|
37
|
50
|
63
|
71
|
57
|
37
|
62
|
68
|
81
|
73
|
67
|
|
2025/09
|
41
|
33
|
35
|
17
|
28
|
53
|
59
|
45
|
44
|
49
|
26
|
20
|
38
|
52
|
51
|
33
|
19
|
11
|
17
|
34
|
19
|
16
|
21
|
27
|
47
|
46
|
37
|
17
|
32
|
46
|
|
|
2025/08
|
40
|
44
|
44
|
43
|
25
|
35
|
41
|
33
|
20
|
22
|
28
|
42
|
46
|
47
|
32
|
28
|
22
|
22
|
23
|
28
|
54
|
43
|
28
|
25
|
43
|
41
|
35
|
20
|
15
|
23
|
26
|
|
2025/07
|
27
|
25
|
32
|
35
|
20
|
33
|
33
|
30
|
44
|
37
|
35
|
44
|
46
|
44
|
35
|
47
|
41
|
28
|
40
|
27
|
31
|
46
|
28
|
18
|
21
|
25
|
29
|
30
|
36
|
47
|
33
|
|
2025/06
|
49
|
41
|
49
|
50
|
43
|
46
|
32
|
36
|
41
|
49
|
59
|
47
|
51
|
49
|
67
|
59
|
60
|
51
|
35
|
40
|
41
|
38
|
34
|
40
|
32
|
33
|
41
|
32
|
36
|
25
|
|
|
2025/05
|
98
|
77
|
76
|
72
|
119
|
460
|
179
|
110
|
84
|
52
|
46
|
59
|
45
|
68
|
73
|
62
|
180
|
115
|
74
|
67
|
70
|
82
|
58
|
53
|
45
|
44
|
56
|
50
|
44
|
53
|
47
|
|
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
*: primary pollution