Air Quality
Moderate
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
PM2.5
PM10
O3
CO
SO2
NO2
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
Advise
Children, seniors and individuals with respiratory or heart diseases should avoid sustained and high-intensity outdoor exercises. General population should moderately reduce outdoor activities.
Air Quality
Today
23 Jan
Fri
24 Jan
Sat
25 Jan
Sun
26 Jan
Mon
27 Jan
Tue
28 Jan
Wed
29 Jan
Chang'an Air quality rank
Tahe, Heilongjiang
Tacheng Prefecture, Xinjiang
Tacheng City, Xinjiang Uygur Autonomous Region
Daxing'anling Prefecture, Heilongjiang
Oroqen, Inner Mongolia
Manzhouli, Inner Mongolia
Altay Prefecture, Xinjiang
Altay City, Xinjiang Uygur Autonomous Region
Yining County, Xinjiang
Chang'an, Shaanxi
Air quality in the last 12 months (Chang'an)
|
2024/12
|
68
|
95
|
92
|
74
|
68
|
64
|
71
|
58
|
77
|
107
|
133
|
136
|
49
|
62
|
57
|
83
|
109
|
85
|
116
|
160
|
72
|
67
|
87
|
94
|
95
|
95
|
87
|
66
|
91
|
64
|
85
|
|
2024/11
|
80
|
60
|
63
|
53
|
78
|
114
|
138
|
154
|
129
|
110
|
149
|
163
|
134
|
66
|
64
|
53
|
16
|
27
|
61
|
49
|
54
|
89
|
144
|
141
|
36
|
52
|
77
|
74
|
54
|
49
|
|
|
2024/10
|
46
|
48
|
51
|
55
|
92
|
92
|
65
|
130
|
89
|
60
|
92
|
110
|
80
|
58
|
69
|
45
|
84
|
59
|
42
|
36
|
35
|
29
|
47
|
71
|
106
|
65
|
39
|
51
|
92
|
107
|
77
|
|
2024/09
|
59
|
60
|
45
|
50
|
35
|
52
|
32
|
31
|
51
|
47
|
58
|
45
|
45
|
36
|
51
|
52
|
55
|
55
|
47
|
35
|
28
|
56
|
69
|
95
|
82
|
111
|
82
|
62
|
31
|
33
|
|
|
2024/08
|
47
|
54
|
41
|
44
|
44
|
36
|
42
|
41
|
57
|
111
|
60
|
49
|
49
|
57
|
43
|
32
|
36
|
34
|
43
|
47
|
39
|
57
|
66
|
63
|
46
|
39
|
30
|
48
|
51
|
39
|
45
|
|
2024/07
|
21
|
32
|
35
|
41
|
30
|
35
|
38
|
12
|
33
|
41
|
39
|
42
|
44
|
35
|
48
|
46
|
14
|
31
|
28
|
33
|
35
|
37
|
54
|
73
|
83
|
65
|
57
|
52
|
41
|
22
|
33
|
|
2024/06
|
74
|
48
|
61
|
29
|
29
|
50
|
43
|
37
|
35
|
43
|
39
|
49
|
53
|
41
|
61
|
36
|
39
|
30
|
35
|
34
|
21
|
39
|
40
|
55
|
72
|
57
|
41
|
46
|
52
|
60
|
|
|
2024/05
|
38
|
56
|
36
|
35
|
34
|
53
|
61
|
66
|
42
|
46
|
80
|
58
|
72
|
68
|
77
|
66
|
61
|
65
|
48
|
42
|
53
|
54
|
46
|
46
|
45
|
29
|
59
|
58
|
30
|
52
|
71
|
|
2024/04
|
93
|
86
|
71
|
85
|
81
|
85
|
81
|
75
|
61
|
49
|
51
|
63
|
55
|
40
|
74
|
89
|
72
|
72
|
245
|
156
|
116
|
84
|
298
|
155
|
87
|
62
|
72
|
64
|
45
|
23
|
|
|
2024/03
|
60
|
52
|
82
|
122
|
118
|
79
|
98
|
80
|
97
|
95
|
62
|
72
|
68
|
85
|
59
|
324
|
178
|
77
|
130
|
110
|
104
|
117
|
107
|
44
|
35
|
75
|
112
|
76
|
56
|
79
|
92
|
|
2024/02
|
191
|
90
|
118
|
121
|
112
|
115
|
113
|
150
|
120
|
257
|
104
|
120
|
115
|
98
|
53
|
74
|
104
|
343
|
487
|
100
|
54
|
92
|
81
|
102
|
116
|
135
|
116
|
170
|
111
|
||
|
2024/01
|
119
|
105
|
74
|
82
|
100
|
79
|
86
|
130
|
105
|
92
|
106
|
168
|
233
|
137
|
119
|
101
|
97
|
136
|
112
|
107
|
58
|
23
|
41
|
51
|
59
|
83
|
86
|
105
|
148
|
186
|
238
|
|
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