Air Quality
Excellent
No health implications.
3
PM2.5
12
PM10
57
O3
0.2
CO
3
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Jun
70
Good
Wed
4 Jun
81
Good
Thu
5 Jun
107
Light
Fri
6 Jun
71
Good
Sat
7 Jun
99
Good
Sun
8 Jun
15
Excellent
Mon
9 Jun
45
Excellent
Air quality in the last 12 months (Xicheng)
|
2025/04
|
46
|
23
|
63
|
70
|
24
|
73
|
62
|
43
|
53
|
79
|
115
|
91
|
61
|
63
|
53
|
91
|
58
|
24
|
45
|
71
|
91
|
24
|
52
|
28
|
55
|
89
|
23
|
60
|
59
|
42
|
|
|
2025/03
|
231
|
74
|
33
|
51
|
80
|
18
|
86
|
118
|
151
|
146
|
211
|
63
|
110
|
67
|
51
|
18
|
31
|
36
|
43
|
33
|
29
|
51
|
112
|
88
|
50
|
79
|
51
|
27
|
22
|
45
|
68
|
|
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
|
|
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