Air Quality
Lightly
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
93
*
PM2.5
145
PM10
2
O3
0.8
CO
6
SO2
46
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
7 Nov
113
Lightly
Fri
8 Nov
106
Lightly
Sat
9 Nov
113
Lightly
Sun
10 Nov
120
Lightly
Mon
11 Nov
126
Lightly
Tue
12 Nov
110
Lightly
Air quality in the last 12 months (Chang'an)
|
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
|
|
2023/12
|
72
|
101
|
144
|
113
|
83
|
150
|
72
|
65
|
130
|
118
|
45
|
85
|
60
|
41
|
71
|
68
|
59
|
79
|
108
|
76
|
58
|
66
|
122
|
166
|
184
|
151
|
193
|
230
|
203
|
159
|
140
|
|
2023/11
|
52
|
60
|
47
|
48
|
62
|
47
|
76
|
85
|
84
|
84
|
44
|
76
|
77
|
113
|
106
|
214
|
68
|
71
|
78
|
155
|
152
|
100
|
80
|
68
|
72
|
98
|
86
|
76
|
74
|
54
|
|
|
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