Air Quality
Heavy
Healthy people will commonly show symptoms. People with respiratory or heart diseases will be significantly affected and will experience reduced endurance in activities.
67
PM2.5
390
*
PM10
89
O3
0.4
CO
4
SO2
3
NO2
Healthy people will commonly show symptoms. People with respiratory or heart diseases will be significantly affected and will experience reduced endurance in activities.
Advise
Children, seniors and individuals with heart or lung diseases should stay indoors and avoid outdoor activities. General population should reduce outdoor activities.
Air Quality
Today
21 Feb
154
Moderate
Sun
22 Feb
109
Light
Mon
23 Feb
90
Good
Tue
24 Feb
91
Good
Wed
25 Feb
91
Good
Thu
26 Feb
103
Light
Fri
27 Feb
18
Excellent
Air quality in the last 12 months (Xi County)
|
2026/01
|
97
|
82
|
107
|
143
|
91
|
43
|
68
|
70
|
96
|
85
|
57
|
90
|
99
|
120
|
135
|
91
|
93
|
89
|
46
|
45
|
51
|
65
|
77
|
83
|
128
|
136
|
115
|
117
|
119
|
146
|
122
|
|
2025/12
|
91
|
47
|
53
|
69
|
84
|
98
|
95
|
76
|
88
|
107
|
86
|
64
|
90
|
103
|
92
|
104
|
91
|
74
|
88
|
65
|
62
|
83
|
127
|
84
|
53
|
65
|
73
|
87
|
84
|
67
|
76
|
|
2025/11
|
63
|
64
|
77
|
79
|
91
|
74
|
58
|
71
|
93
|
84
|
87
|
81
|
63
|
78
|
89
|
68
|
24
|
30
|
64
|
73
|
71
|
84
|
109
|
145
|
81
|
213
|
211
|
131
|
117
|
101
|
|
|
2025/10
|
60
|
34
|
51
|
49
|
43
|
25
|
28
|
33
|
16
|
14
|
28
|
29
|
46
|
54
|
40
|
52
|
37
|
42
|
51
|
48
|
48
|
59
|
70
|
77
|
58
|
59
|
59
|
70
|
74
|
82
|
70
|
|
2025/09
|
52
|
54
|
24
|
28
|
45
|
64
|
67
|
65
|
56
|
55
|
37
|
29
|
53
|
59
|
62
|
36
|
26
|
25
|
23
|
54
|
34
|
30
|
47
|
49
|
51
|
48
|
39
|
55
|
60
|
65
|
|
|
2025/08
|
54
|
52
|
52
|
49
|
42
|
44
|
47
|
46
|
34
|
43
|
47
|
52
|
50
|
56
|
42
|
21
|
44
|
45
|
45
|
32
|
35
|
47
|
27
|
37
|
49
|
42
|
31
|
34
|
40
|
54
|
52
|
|
2025/07
|
44
|
39
|
34
|
41
|
28
|
43
|
39
|
46
|
41
|
49
|
59
|
59
|
56
|
53
|
57
|
49
|
48
|
53
|
54
|
38
|
44
|
54
|
33
|
29
|
30
|
38
|
39
|
50
|
42
|
46
|
44
|
|
2025/06
|
55
|
51
|
42
|
48
|
57
|
57
|
62
|
54
|
66
|
53
|
62
|
60
|
58
|
43
|
40
|
46
|
47
|
55
|
40
|
44
|
42
|
51
|
54
|
50
|
57
|
46
|
50
|
38
|
47
|
44
|
|
|
2025/05
|
74
|
94
|
42
|
75
|
230
|
143
|
109
|
88
|
53
|
50
|
52
|
63
|
74
|
54
|
58
|
99
|
156
|
71
|
78
|
73
|
74
|
118
|
45
|
48
|
53
|
50
|
50
|
58
|
64
|
58
|
47
|
|
2025/04
|
69
|
60
|
89
|
108
|
68
|
89
|
107
|
96
|
76
|
56
|
173
|
177
|
110
|
47
|
58
|
110
|
149
|
101
|
73
|
76
|
129
|
140
|
103
|
54
|
64
|
68
|
58
|
52
|
67
|
105
|
|
|
2025/03
|
82
|
80
|
40
|
48
|
69
|
69
|
73
|
75
|
77
|
78
|
188
|
264
|
97
|
82
|
48
|
40
|
51
|
48
|
49
|
51
|
63
|
77
|
133
|
394
|
411
|
303
|
242
|
159
|
55
|
53
|
65
|
|
2025/02
|
125
|
86
|
33
|
53
|
37
|
106
|
47
|
38
|
56
|
74
|
76
|
76
|
64
|
72
|
80
|
73
|
69
|
80
|
73
|
78
|
87
|
78
|
50
|
52
|
68
|
70
|
74
|
73
|
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20
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22
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23
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24
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25
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26
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27
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28
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29
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30
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31
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- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution