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
20 Aug
Fri
21 Aug
Sat
22 Aug
Sun
23 Aug
Mon
24 Aug
Tue
25 Aug
Wed
26 Aug
Real-time AQI (Monitoring Station in Xi'an)
兴庆小区
3720
PM2.5
37
PM10
105
O3
0.6
CO
4
SO2
13
NO2
高新西区
3924
PM2.5
39
PM10
103
O3
0.5
CO
4
SO2
10
NO2
经开区
4028
PM2.5
39
PM10
98
O3
0.6
CO
1
SO2
12
NO2
长安区
3214
PM2.5
32
PM10
60
O3
0.5
CO
2
SO2
12
NO2
临潼区
3927
PM2.5
35
PM10
99
O3
0.7
CO
9
SO2
9
NO2
广运潭
4531
PM2.5
42
PM10
86
O3
0.6
CO
5
SO2
19
NO2
无线电监控中心
5638 *
PM2.5
45
PM10
66
O3
0.7
CO
5
SO2
23
NO2
行知小学
4226
PM2.5
42
PM10
105
O3
0.8
CO
7
SO2
15
NO2
Air quality in the last 12 months (Xi'an)
|
2026/07
|
53
|
39
|
56
|
45
|
51
|
60
|
58
|
66
|
46
|
34
|
39
|
30
|
49
|
57
|
41
|
46
|
37
|
77
|
67
|
72
|
65
|
44
|
55
|
47
|
49
|
41
|
30
|
24
|
23
|
28
|
23
|
|
2026/06
|
62
|
79
|
72
|
69
|
67
|
36
|
35
|
36
|
47
|
57
|
54
|
36
|
55
|
67
|
44
|
44
|
42
|
25
|
40
|
32
|
28
|
31
|
36
|
33
|
45
|
41
|
65
|
67
|
67
|
48
|
|
|
2026/05
|
47
|
51
|
42
|
41
|
52
|
45
|
43
|
47
|
48
|
61
|
69
|
73
|
33
|
39
|
61
|
58
|
29
|
30
|
41
|
35
|
41
|
72
|
55
|
53
|
53
|
56
|
55
|
58
|
51
|
49
|
57
|
|
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
|
|
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