Air Quality
Excellent
No health implications.
13
PM2.5
31
PM10
34
O3
0.5
CO
9
SO2
36
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Jan
79
Good
Fri
10 Jan
106
Light
Sat
11 Jan
99
Good
Sun
12 Jan
78
Good
Mon
13 Jan
78
Good
Tue
14 Jan
38
Excellent
Wed
15 Jan
31
Excellent
Air quality in the last 12 months (Xiyang)
|
2024/12
|
54
|
47
|
58
|
65
|
36
|
40
|
32
|
33
|
64
|
65
|
67
|
110
|
82
|
51
|
45
|
49
|
60
|
49
|
66
|
67
|
33
|
51
|
59
|
77
|
80
|
57
|
56
|
43
|
56
|
72
|
69
|
|
2024/11
|
46
|
58
|
63
|
30
|
50
|
62
|
94
|
166
|
208
|
174
|
139
|
135
|
100
|
56
|
66
|
62
|
55
|
62
|
58
|
55
|
58
|
61
|
85
|
113
|
52
|
31
|
45
|
35
|
36
|
49
|
|
|
2024/10
|
59
|
38
|
40
|
53
|
65
|
78
|
72
|
72
|
68
|
50
|
54
|
89
|
174
|
96
|
82
|
82
|
67
|
22
|
14
|
24
|
57
|
49
|
43
|
66
|
124
|
145
|
93
|
74
|
85
|
137
|
72
|
|
2024/09
|
45
|
18
|
25
|
44
|
22
|
34
|
50
|
52
|
70
|
21
|
24
|
36
|
49
|
48
|
38
|
52
|
55
|
56
|
47
|
37
|
17
|
35
|
48
|
58
|
83
|
99
|
91
|
101
|
84
|
18
|
|
|
2024/08
|
44
|
50
|
41
|
30
|
28
|
45
|
32
|
30
|
24
|
47
|
17
|
18
|
30
|
26
|
44
|
47
|
31
|
35
|
32
|
23
|
38
|
45
|
48
|
52
|
46
|
12
|
19
|
30
|
43
|
47
|
61
|
|
2024/07
|
33
|
27
|
59
|
60
|
88
|
58
|
68
|
56
|
50
|
65
|
65
|
62
|
47
|
61
|
74
|
39
|
34
|
38
|
45
|
45
|
46
|
55
|
57
|
53
|
23
|
33
|
34
|
39
|
32
|
13
|
30
|
|
2024/06
|
52
|
53
|
47
|
57
|
48
|
59
|
49
|
41
|
43
|
46
|
52
|
52
|
60
|
49
|
44
|
59
|
52
|
57
|
55
|
49
|
62
|
69
|
126
|
59
|
58
|
75
|
49
|
60
|
60
|
49
|
|
|
2024/05
|
45
|
53
|
58
|
42
|
56
|
50
|
46
|
58
|
64
|
60
|
98
|
55
|
60
|
75
|
34
|
62
|
60
|
73
|
78
|
29
|
64
|
67
|
66
|
41
|
35
|
43
|
34
|
49
|
60
|
47
|
47
|
|
2024/04
|
111
|
92
|
65
|
48
|
68
|
77
|
71
|
94
|
61
|
78
|
84
|
68
|
74
|
49
|
70
|
64
|
76
|
88
|
80
|
47
|
62
|
88
|
81
|
66
|
73
|
72
|
71
|
57
|
56
|
35
|
|
|
2024/03
|
54
|
59
|
73
|
85
|
77
|
89
|
61
|
30
|
64
|
83
|
62
|
55
|
68
|
79
|
72
|
124
|
62
|
101
|
71
|
70
|
89
|
103
|
91
|
63
|
38
|
69
|
69
|
134
|
126
|
78
|
69
|
|
2024/02
|
93
|
93
|
111
|
113
|
111
|
131
|
123
|
133
|
87
|
105
|
62
|
63
|
70
|
83
|
60
|
64
|
80
|
115
|
75
|
45
|
33
|
27
|
33
|
69
|
103
|
95
|
118
|
134
|
96
|
||
|
2024/01
|
81
|
65
|
46
|
60
|
58
|
49
|
61
|
86
|
82
|
71
|
78
|
106
|
184
|
136
|
70
|
83
|
127
|
106
|
81
|
89
|
45
|
22
|
31
|
47
|
53
|
50
|
58
|
54
|
83
|
148
|
166
|
|
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