Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
83
O3
0.4
CO
3
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 May
41
Excellent
Sat
10 May
51
Good
Sun
11 May
78
Good
Mon
12 May
98
Good
Tue
13 May
108
Light
Wed
14 May
69
Good
Thu
15 May
37
Excellent
Air quality in the last 12 months (Xicheng)
|
2025/02
|
86
|
52
|
11
|
18
|
25
|
63
|
23
|
15
|
20
|
68
|
129
|
24
|
70
|
62
|
91
|
31
|
20
|
34
|
22
|
16
|
19
|
17
|
21
|
52
|
47
|
52
|
114
|
137
|
|||
|
2025/01
|
41
|
21
|
38
|
57
|
48
|
15
|
13
|
15
|
15
|
23
|
34
|
34
|
51
|
22
|
28
|
48
|
69
|
80
|
35
|
60
|
46
|
57
|
74
|
114
|
132
|
103
|
21
|
23
|
104
|
68
|
77
|
|
2024/12
|
54
|
15
|
39
|
37
|
17
|
26
|
15
|
29
|
49
|
34
|
36
|
69
|
28
|
26
|
33
|
36
|
18
|
17
|
45
|
38
|
18
|
29
|
44
|
75
|
66
|
29
|
19
|
39
|
61
|
66
|
49
|
|
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
|
|
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