Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
45
PM2.5
108
*
PM10
72
O3
0.9
CO
17
SO2
41
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
4 Apr
90
Good
Sat
5 Apr
69
Good
Sun
6 Apr
77
Good
Mon
7 Apr
99
Good
Tue
8 Apr
78
Good
Wed
9 Apr
30
Excellent
Thu
10 Apr
34
Excellent
Air quality in the last 12 months (Xiyang)
|
2025/02
|
125
|
93
|
34
|
35
|
31
|
103
|
36
|
23
|
50
|
68
|
98
|
56
|
54
|
63
|
64
|
69
|
55
|
62
|
68
|
76
|
104
|
78
|
32
|
48
|
53
|
71
|
89
|
91
|
|||
|
2025/01
|
84
|
77
|
54
|
65
|
72
|
33
|
34
|
33
|
31
|
50
|
56
|
38
|
71
|
45
|
43
|
44
|
71
|
65
|
52
|
62
|
74
|
69
|
74
|
66
|
104
|
70
|
23
|
27
|
82
|
141
|
91
|
|
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
|
|
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