Air Quality
Excellent
No health implications.
6
PM2.5
17
PM10
33
O3
0.5
CO
4
SO2
28
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Dec
49
Excellent
Mon
23 Dec
96
Good
Tue
24 Dec
109
Light
Wed
25 Dec
58
Good
Thu
26 Dec
31
Excellent
Fri
27 Dec
31
Excellent
Sat
28 Dec
15
Excellent
Air quality in the last 12 months (Xicheng)
|
2024/11
|
158
|
154
|
69
|
11
|
46
|
62
|
100
|
151
|
170
|
135
|
80
|
105
|
87
|
54
|
76
|
46
|
30
|
45
|
58
|
71
|
24
|
36
|
51
|
87
|
43
|
10
|
16
|
18
|
32
|
52
|
|
|
2024/10
|
8
|
16
|
34
|
65
|
86
|
83
|
23
|
30
|
90
|
20
|
57
|
91
|
127
|
146
|
44
|
47
|
60
|
44
|
8
|
37
|
54
|
24
|
44
|
68
|
172
|
233
|
24
|
48
|
105
|
131
|
155
|
|
2024/09
|
23
|
12
|
34
|
64
|
16
|
22
|
32
|
30
|
64
|
13
|
23
|
26
|
34
|
19
|
31
|
44
|
26
|
41
|
49
|
27
|
8
|
15
|
39
|
59
|
49
|
42
|
45
|
56
|
75
|
8
|
|
|
2024/08
|
18
|
37
|
33
|
29
|
13
|
40
|
46
|
34
|
49
|
24
|
23
|
9
|
15
|
27
|
48
|
45
|
39
|
24
|
25
|
13
|
15
|
23
|
41
|
26
|
34
|
15
|
17
|
30
|
42
|
51
|
52
|
|
2024/07
|
28
|
38
|
40
|
66
|
83
|
32
|
35
|
35
|
69
|
77
|
78
|
47
|
57
|
81
|
55
|
39
|
19
|
27
|
49
|
32
|
45
|
32
|
55
|
43
|
18
|
19
|
27
|
28
|
40
|
13
|
24
|
|
2024/06
|
38
|
46
|
56
|
56
|
64
|
67
|
54
|
51
|
46
|
54
|
39
|
52
|
58
|
34
|
24
|
55
|
72
|
68
|
69
|
64
|
48
|
96
|
180
|
22
|
36
|
65
|
64
|
60
|
64
|
47
|
|
|
2024/05
|
50
|
65
|
64
|
78
|
87
|
66
|
56
|
71
|
73
|
93
|
115
|
42
|
60
|
66
|
31
|
63
|
73
|
84
|
59
|
27
|
48
|
81
|
68
|
34
|
28
|
19
|
38
|
55
|
68
|
43
|
14
|
|
2024/04
|
80
|
78
|
75
|
71
|
76
|
100
|
44
|
87
|
61
|
67
|
122
|
164
|
80
|
60
|
94
|
61
|
95
|
94
|
66
|
51
|
94
|
99
|
21
|
57
|
98
|
121
|
95
|
26
|
26
|
24
|
|
|
2024/03
|
38
|
86
|
56
|
56
|
80
|
57
|
63
|
21
|
65
|
119
|
79
|
51
|
68
|
64
|
112
|
125
|
40
|
115
|
89
|
56
|
90
|
69
|
94
|
83
|
87
|
114
|
152
|
211
|
103
|
49
|
86
|
|
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
|
|
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