Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
21
PM2.5
68
*
PM10
113
O3
0.4
CO
2
SO2
15
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
20 Apr
57
Good
Sun
21 Apr
77
Good
Mon
22 Apr
100
Good
Tue
23 Apr
50
Excellent
Wed
24 Apr
80
Good
Thu
25 Apr
107
Lightly
Fri
26 Apr
105
Lightly
Air quality in the last 12 months (Xicheng)
|
2024/02
|
41
|
67
|
89
|
122
|
98
|
56
|
30
|
35
|
56
|
39
|
86
|
118
|
155
|
65
|
28
|
70
|
95
|
93
|
38
|
26
|
24
|
22
|
40
|
67
|
55
|
79
|
77
|
73
|
29
|
||
|
2024/01
|
105
|
120
|
37
|
80
|
44
|
20
|
27
|
66
|
49
|
54
|
100
|
132
|
77
|
26
|
41
|
83
|
128
|
95
|
64
|
58
|
22
|
20
|
21
|
30
|
28
|
40
|
38
|
55
|
94
|
131
|
67
|
|
2023/12
|
42
|
54
|
63
|
82
|
103
|
133
|
221
|
167
|
85
|
53
|
48
|
86
|
109
|
70
|
21
|
20
|
34
|
77
|
40
|
20
|
24
|
39
|
49
|
57
|
86
|
58
|
47
|
70
|
151
|
204
|
26
|
|
2023/11
|
201
|
111
|
36
|
66
|
48
|
43
|
41
|
59
|
23
|
19
|
18
|
21
|
42
|
71
|
73
|
28
|
20
|
43
|
59
|
100
|
159
|
125
|
28
|
30
|
60
|
67
|
50
|
32
|
24
|
21
|
|
|
2023/10
|
30
|
55
|
60
|
20
|
25
|
39
|
61
|
46
|
25
|
30
|
55
|
113
|
72
|
29
|
35
|
38
|
66
|
32
|
21
|
27
|
41
|
56
|
131
|
172
|
122
|
39
|
70
|
104
|
175
|
178
|
116
|
|
2023/09
|
49
|
56
|
73
|
82
|
130
|
101
|
96
|
114
|
33
|
42
|
53
|
27
|
43
|
59
|
70
|
86
|
88
|
48
|
25
|
28
|
50
|
31
|
40
|
55
|
55
|
74
|
68
|
28
|
45
|
22
|
|
|
2023/08
|
37
|
40
|
56
|
49
|
35
|
35
|
46
|
68
|
87
|
88
|
66
|
30
|
36
|
50
|
61
|
76
|
70
|
55
|
81
|
61
|
45
|
29
|
37
|
27
|
38
|
36
|
47
|
31
|
32
|
40
|
44
|
|
2023/07
|
81
|
91
|
76
|
44
|
46
|
59
|
47
|
29
|
32
|
75
|
73
|
42
|
30
|
42
|
28
|
32
|
66
|
74
|
75
|
74
|
47
|
38
|
45
|
71
|
66
|
73
|
51
|
30
|
35
|
14
|
22
|
|
2023/06
|
64
|
35
|
39
|
36
|
63
|
35
|
54
|
40
|
29
|
28
|
35
|
43
|
33
|
77
|
89
|
92
|
88
|
107
|
68
|
54
|
39
|
69
|
84
|
76
|
77
|
53
|
68
|
50
|
55
|
80
|
|
|
2023/05
|
65
|
73
|
81
|
52
|
24
|
28
|
36
|
51
|
57
|
54
|
74
|
66
|
34
|
67
|
105
|
86
|
54
|
47
|
65
|
129
|
87
|
37
|
46
|
70
|
64
|
79
|
97
|
54
|
67
|
56
|
66
|
|
2023/04
|
77
|
106
|
74
|
43
|
37
|
40
|
29
|
47
|
89
|
175
|
311
|
310
|
475
|
164
|
69
|
48
|
86
|
72
|
75
|
69
|
37
|
31
|
55
|
57
|
79
|
60
|
84
|
67
|
41
|
40
|
|
|
2023/03
|
24
|
54
|
69
|
170
|
216
|
189
|
228
|
120
|
78
|
241
|
141
|
50
|
75
|
119
|
90
|
50
|
82
|
43
|
89
|
150
|
149
|
331
|
98
|
60
|
60
|
53
|
52
|
103
|
132
|
114
|
85
|
|
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