Air Quality
Excellent
No health implications.
3
PM2.5
12
PM10
55
O3
0.3
CO
4
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Sep
46
Excellent
Wed
9 Sep
51
Good
Thu
10 Sep
73
Good
Fri
11 Sep
84
Good
Sat
12 Sep
85
Good
Sun
13 Sep
84
Good
Mon
14 Sep
23
Excellent
Air quality in the last 12 months (Xiyang)
|
2026/08
|
30
|
28
|
32
|
24
|
33
|
45
|
51
|
33
|
40
|
45
|
48
|
23
|
25
|
35
|
43
|
32
|
40
|
37
|
55
|
57
|
57
|
57
|
62
|
61
|
49
|
27
|
28
|
27
|
42
|
41
|
39
|
|
2026/07
|
48
|
57
|
58
|
54
|
47
|
42
|
50
|
49
|
56
|
66
|
47
|
33
|
46
|
54
|
35
|
42
|
28
|
41
|
52
|
48
|
42
|
42
|
37
|
38
|
47
|
48
|
44
|
35
|
32
|
36
|
32
|
|
2026/06
|
62
|
64
|
67
|
42
|
46
|
28
|
33
|
42
|
34
|
46
|
52
|
58
|
37
|
50
|
58
|
64
|
61
|
67
|
39
|
32
|
38
|
43
|
48
|
54
|
48
|
56
|
65
|
42
|
43
|
46
|
|
|
2026/05
|
61
|
41
|
31
|
54
|
55
|
63
|
43
|
55
|
63
|
69
|
53
|
78
|
81
|
77
|
71
|
44
|
24
|
31
|
42
|
46
|
46
|
36
|
55
|
57
|
39
|
29
|
43
|
42
|
47
|
61
|
78
|
|
2026/04
|
65
|
78
|
103
|
58
|
95
|
65
|
53
|
63
|
72
|
49
|
66
|
72
|
101
|
83
|
97
|
89
|
73
|
75
|
96
|
62
|
69
|
57
|
69
|
69
|
69
|
71
|
77
|
66
|
52
|
59
|
|
|
2026/03
|
69
|
97
|
120
|
93
|
68
|
74
|
72
|
90
|
84
|
93
|
90
|
99
|
151
|
58
|
42
|
61
|
81
|
44
|
56
|
79
|
94
|
54
|
98
|
110
|
81
|
86
|
109
|
102
|
47
|
53
|
52
|
|
2026/02
|
98
|
63
|
83
|
88
|
104
|
56
|
43
|
53
|
62
|
97
|
68
|
79
|
80
|
95
|
57
|
54
|
125
|
41
|
50
|
83
|
222
|
278
|
65
|
88
|
94
|
64
|
63
|
58
|
|||
|
2026/01
|
76
|
96
|
109
|
151
|
111
|
46
|
54
|
56
|
114
|
72
|
35
|
70
|
87
|
96
|
113
|
119
|
75
|
67
|
71
|
61
|
59
|
75
|
105
|
157
|
228
|
163
|
145
|
191
|
173
|
176
|
164
|
|
2025/12
|
81
|
54
|
33
|
52
|
73
|
62
|
81
|
74
|
76
|
106
|
94
|
32
|
58
|
68
|
71
|
92
|
74
|
92
|
119
|
57
|
70
|
95
|
75
|
73
|
35
|
65
|
78
|
79
|
64
|
78
|
43
|
|
2025/11
|
43
|
49
|
63
|
96
|
168
|
200
|
46
|
65
|
61
|
66
|
70
|
64
|
53
|
63
|
66
|
55
|
32
|
28
|
44
|
52
|
50
|
53
|
77
|
109
|
59
|
160
|
92
|
107
|
91
|
89
|
|
|
2025/10
|
60
|
29
|
49
|
52
|
41
|
16
|
30
|
15
|
8
|
9
|
22
|
26
|
30
|
38
|
55
|
63
|
20
|
17
|
44
|
35
|
47
|
58
|
69
|
102
|
90
|
70
|
52
|
86
|
109
|
117
|
83
|
|
2025/09
|
50
|
53
|
30
|
46
|
34
|
46
|
60
|
66
|
48
|
58
|
58
|
38
|
53
|
60
|
67
|
50
|
20
|
28
|
21
|
47
|
45
|
22
|
40
|
49
|
48
|
50
|
38
|
55
|
57
|
60
|
|
|
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