Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
32
PM2.5
89
*
PM10
104
O3
0.4
CO
3
SO2
7
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
4 Apr
111
Light
Sun
5 Apr
129
Light
Mon
6 Apr
62
Good
Tue
7 Apr
63
Good
Wed
8 Apr
93
Good
Thu
9 Apr
102
Light
Fri
10 Apr
23
Excellent
Air quality in the last 12 months (Chang'an)
|
2026/02
|
160
|
146
|
154
|
144
|
96
|
53
|
50
|
64
|
126
|
131
|
94
|
89
|
102
|
119
|
48
|
51
|
67
|
43
|
47
|
67
|
203
|
183
|
51
|
73
|
70
|
88
|
66
|
75
|
|||
|
2026/01
|
67
|
104
|
171
|
210
|
136
|
61
|
51
|
65
|
116
|
58
|
45
|
72
|
81
|
95
|
159
|
117
|
63
|
57
|
52
|
51
|
59
|
91
|
161
|
216
|
160
|
162
|
236
|
181
|
105
|
114
|
196
|
|
2025/12
|
73
|
41
|
49
|
54
|
75
|
94
|
87
|
50
|
71
|
107
|
106
|
37
|
48
|
67
|
108
|
102
|
106
|
166
|
212
|
113
|
64
|
74
|
79
|
67
|
37
|
72
|
95
|
147
|
118
|
75
|
35
|
|
2025/11
|
58
|
39
|
63
|
103
|
165
|
212
|
71
|
71
|
59
|
75
|
101
|
114
|
58
|
62
|
73
|
62
|
28
|
37
|
42
|
49
|
49
|
53
|
76
|
98
|
40
|
113
|
52
|
85
|
122
|
134
|
|
|
2025/10
|
65
|
33
|
53
|
60
|
46
|
30
|
33
|
31
|
19
|
20
|
27
|
50
|
37
|
37
|
71
|
111
|
48
|
29
|
48
|
32
|
48
|
60
|
83
|
103
|
153
|
84
|
59
|
96
|
181
|
200
|
174
|
|
2025/09
|
48
|
53
|
43
|
42
|
42
|
49
|
56
|
58
|
41
|
51
|
53
|
40
|
46
|
61
|
72
|
49
|
26
|
31
|
29
|
45
|
58
|
27
|
32
|
48
|
52
|
51
|
43
|
52
|
58
|
60
|
|
|
2025/08
|
44
|
52
|
54
|
34
|
34
|
43
|
44
|
32
|
27
|
30
|
46
|
52
|
41
|
54
|
55
|
29
|
35
|
50
|
51
|
27
|
40
|
41
|
30
|
25
|
40
|
43
|
57
|
32
|
43
|
39
|
45
|
|
2025/07
|
34
|
40
|
26
|
42
|
27
|
28
|
33
|
43
|
42
|
43
|
50
|
54
|
45
|
50
|
56
|
58
|
41
|
42
|
49
|
38
|
33
|
41
|
32
|
33
|
36
|
45
|
43
|
44
|
22
|
32
|
41
|
|
2025/06
|
80
|
70
|
36
|
38
|
59
|
66
|
66
|
60
|
68
|
44
|
76
|
75
|
72
|
53
|
26
|
25
|
37
|
64
|
48
|
51
|
44
|
40
|
47
|
46
|
55
|
45
|
50
|
45
|
37
|
51
|
|
|
2025/05
|
52
|
71
|
43
|
59
|
89
|
51
|
66
|
87
|
36
|
40
|
46
|
61
|
73
|
53
|
49
|
64
|
127
|
65
|
82
|
88
|
79
|
70
|
63
|
43
|
50
|
55
|
64
|
60
|
63
|
65
|
65
|
|
2025/04
|
67
|
32
|
66
|
96
|
48
|
83
|
105
|
72
|
81
|
71
|
136
|
125
|
49
|
41
|
56
|
108
|
125
|
67
|
53
|
89
|
69
|
55
|
70
|
52
|
72
|
88
|
98
|
54
|
55
|
73
|
|
|
2025/03
|
192
|
98
|
52
|
40
|
69
|
48
|
79
|
115
|
101
|
121
|
150
|
146
|
124
|
82
|
50
|
30
|
47
|
49
|
47
|
41
|
43
|
56
|
113
|
110
|
109
|
78
|
119
|
130
|
44
|
56
|
63
|
|
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