Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
30
PM2.5
79
*
PM10
9
O3
0.7
CO
3
SO2
55
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
30 Nov
92
Good
Mon
1 Dec
89
Good
Tue
2 Dec
87
Good
Wed
3 Dec
98
Good
Thu
4 Dec
106
Light
Fri
5 Dec
106
Light
Sat
6 Dec
46
Excellent
Chang'an Air quality rank
1
Bayan Obo Mining District, Inner Mongolia
2
Darhan Muminggan United Banner, Inner Mongolia
3
Gannan Prefecture, Heilongjiang
4
Wuchuan, Inner Mongolia
5
Arun Banner, Inner Mongolia
6
Morin Dawa Daur, Inner Mongolia
7
Yadong, Tibet
8
Daxing'anling Prefecture, Heilongjiang
9
Mohe, Heilongjiang
1371
Chang'an, Shaanxi
Air quality in the last 12 months (Chang'an)
|
2025/10
|
15
|
24
|
43
|
26
|
16
|
14
|
14
|
39
|
17
|
14
|
9
|
11
|
23
|
52
|
29
|
47
|
9
|
27
|
37
|
28
|
46
|
56
|
66
|
74
|
53
|
32
|
61
|
68
|
80
|
71
|
58
|
|
2025/09
|
39
|
32
|
33
|
19
|
25
|
50
|
56
|
43
|
46
|
50
|
24
|
21
|
35
|
52
|
52
|
27
|
15
|
10
|
15
|
30
|
21
|
17
|
18
|
28
|
46
|
47
|
39
|
14
|
29
|
43
|
|
|
2025/08
|
37
|
43
|
38
|
35
|
22
|
29
|
42
|
32
|
17
|
18
|
24
|
37
|
46
|
45
|
28
|
24
|
22
|
20
|
21
|
27
|
57
|
40
|
22
|
23
|
41
|
33
|
30
|
16
|
12
|
21
|
26
|
|
2025/07
|
26
|
23
|
30
|
29
|
18
|
27
|
27
|
27
|
38
|
36
|
33
|
44
|
46
|
39
|
33
|
43
|
41
|
25
|
39
|
26
|
27
|
47
|
39
|
26
|
16
|
20
|
24
|
23
|
34
|
43
|
29
|
|
2025/06
|
51
|
46
|
49
|
48
|
42
|
43
|
34
|
36
|
42
|
51
|
52
|
46
|
49
|
47
|
72
|
57
|
59
|
55
|
39
|
42
|
37
|
31
|
34
|
39
|
32
|
38
|
40
|
35
|
36
|
21
|
|
|
2025/05
|
102
|
73
|
78
|
78
|
125
|
475
|
178
|
105
|
80
|
49
|
39
|
54
|
39
|
71
|
73
|
60
|
200
|
128
|
81
|
66
|
71
|
78
|
63
|
56
|
47
|
46
|
55
|
48
|
41
|
57
|
46
|
|
2025/04
|
87
|
99
|
99
|
124
|
110
|
97
|
75
|
91
|
117
|
117
|
132
|
328
|
136
|
89
|
67
|
119
|
138
|
123
|
105
|
72
|
72
|
163
|
103
|
70
|
94
|
72
|
49
|
51
|
56
|
125
|
|
|
2025/03
|
181
|
65
|
26
|
69
|
72
|
72
|
88
|
84
|
79
|
80
|
229
|
188
|
84
|
45
|
49
|
52
|
49
|
50
|
48
|
60
|
69
|
70
|
83
|
68
|
62
|
221
|
198
|
133
|
111
|
96
|
92
|
|
2025/02
|
222
|
151
|
36
|
48
|
50
|
51
|
102
|
48
|
63
|
93
|
124
|
85
|
74
|
87
|
67
|
84
|
103
|
111
|
127
|
124
|
143
|
167
|
81
|
80
|
81
|
83
|
101
|
105
|
|||
|
2025/01
|
120
|
88
|
113
|
121
|
91
|
90
|
93
|
79
|
83
|
82
|
63
|
90
|
102
|
82
|
55
|
67
|
119
|
95
|
94
|
126
|
202
|
237
|
228
|
156
|
64
|
85
|
79
|
109
|
321
|
280
|
236
|
|
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
|
|
|
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