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
22 May
Sat
23 May
Sun
24 May
Mon
25 May
Tue
26 May
Wed
27 May
Thu
28 May
Real-time AQI (Monitoring Station in Xi'an)
兴庆小区
207
PM2.5
20
PM10
46
O3
0.4
CO
5
SO2
6
NO2
小寨
237
PM2.5
23
PM10
50
O3
0.5
CO
6
SO2
7
NO2
市人民体育场
178
PM2.5
16
PM10
54
O3
0.5
CO
5
SO2
2
NO2
高新西区
229
PM2.5
22
PM10
55
O3
0.4
CO
4
SO2
1
NO2
经开区
166
PM2.5
16
PM10
43
O3
0.4
CO
4
SO2
7
NO2
长安区
188
PM2.5
12
PM10
55
O3
0.5
CO
6
SO2
5
NO2
广运潭
193
PM2.5
19
PM10
49
O3
0.7
CO
3
SO2
7
NO2
无线电监控中心
2012
PM2.5
20
PM10
43
O3
0.7
CO
2
SO2
1
NO2
行知小学
2110
PM2.5
21
PM10
51
O3
0.6
CO
4
SO2
8
NO2
西苑北路977号
5638 *
PM2.5
57
PM10
59
O3
0.7
CO
8
SO2
2
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