Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
74
*
PM2.5
148
PM10
51
O3
1.0
CO
13
SO2
33
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
16 Apr
96
Good
Fri
17 Apr
91
Good
Sat
18 Apr
101
Light
Sun
19 Apr
98
Good
Mon
20 Apr
67
Good
Tue
21 Apr
27
Excellent
Wed
22 Apr
28
Excellent
Air quality in the last 12 months (Xiyang)
|
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
|
|
|
2025/08
|
42
|
46
|
48
|
34
|
34
|
37
|
44
|
47
|
17
|
30
|
47
|
50
|
42
|
51
|
36
|
18
|
33
|
36
|
46
|
26
|
30
|
37
|
15
|
20
|
30
|
42
|
36
|
26
|
32
|
40
|
50
|
|
2025/07
|
26
|
35
|
18
|
30
|
18
|
31
|
31
|
35
|
32
|
41
|
56
|
52
|
45
|
60
|
61
|
46
|
39
|
47
|
52
|
40
|
26
|
38
|
29
|
33
|
36
|
45
|
39
|
45
|
22
|
32
|
37
|
|
2025/06
|
72
|
47
|
34
|
40
|
53
|
56
|
65
|
61
|
55
|
40
|
59
|
57
|
64
|
37
|
18
|
17
|
35
|
43
|
45
|
42
|
36
|
42
|
41
|
41
|
46
|
33
|
41
|
29
|
38
|
48
|
|
|
2025/05
|
47
|
77
|
41
|
58
|
131
|
57
|
68
|
70
|
31
|
36
|
38
|
47
|
78
|
56
|
50
|
71
|
134
|
67
|
73
|
74
|
87
|
65
|
48
|
42
|
50
|
59
|
55
|
56
|
58
|
58
|
51
|
|
2025/04
|
56
|
36
|
71
|
97
|
48
|
71
|
97
|
70
|
74
|
51
|
126
|
143
|
53
|
28
|
47
|
123
|
224
|
76
|
57
|
85
|
68
|
45
|
77
|
40
|
71
|
74
|
63
|
47
|
53
|
96
|
|
|
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