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.
163
*
PM2.5
224
PM10
48
O3
1.1
CO
8
SO2
35
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
29 Jan
182
Moderate
Fri
30 Jan
126
Light
Sat
31 Jan
113
Light
Sun
1 Feb
102
Light
Mon
2 Feb
79
Good
Tue
3 Feb
95
Good
Wed
4 Feb
31
Excellent
Air quality in the last 12 months (Yichuan)
|
2025/12
|
137
|
108
|
52
|
74
|
110
|
108
|
97
|
86
|
133
|
162
|
144
|
52
|
89
|
65
|
65
|
112
|
188
|
181
|
158
|
119
|
109
|
95
|
99
|
85
|
55
|
102
|
105
|
114
|
86
|
164
|
75
|
|
2025/11
|
49
|
64
|
90
|
139
|
126
|
113
|
54
|
37
|
72
|
92
|
94
|
81
|
70
|
74
|
73
|
76
|
28
|
26
|
32
|
46
|
55
|
58
|
73
|
110
|
87
|
119
|
204
|
101
|
81
|
82
|
|
|
2025/10
|
23
|
13
|
32
|
38
|
19
|
17
|
28
|
38
|
14
|
22
|
30
|
34
|
36
|
60
|
55
|
56
|
16
|
30
|
51
|
41
|
45
|
73
|
90
|
123
|
73
|
56
|
121
|
111
|
136
|
133
|
116
|
|
2025/09
|
29
|
37
|
28
|
16
|
22
|
48
|
47
|
27
|
24
|
41
|
16
|
23
|
33
|
31
|
44
|
34
|
26
|
18
|
12
|
21
|
37
|
12
|
14
|
19
|
33
|
38
|
21
|
17
|
25
|
34
|
|
|
2025/08
|
30
|
31
|
30
|
35
|
37
|
25
|
33
|
21
|
14
|
22
|
20
|
34
|
37
|
30
|
30
|
19
|
31
|
37
|
27
|
25
|
26
|
34
|
34
|
29
|
53
|
43
|
41
|
25
|
17
|
21
|
24
|
|
2025/07
|
15
|
18
|
22
|
29
|
17
|
23
|
25
|
36
|
33
|
42
|
53
|
54
|
45
|
36
|
35
|
44
|
33
|
42
|
40
|
37
|
26
|
28
|
19
|
22
|
27
|
30
|
29
|
29
|
30
|
29
|
32
|
|
2025/06
|
45
|
48
|
45
|
41
|
46
|
44
|
47
|
52
|
46
|
62
|
62
|
49
|
51
|
38
|
39
|
51
|
51
|
23
|
27
|
39
|
36
|
46
|
36
|
48
|
47
|
25
|
37
|
26
|
33
|
27
|
|
|
2025/05
|
69
|
91
|
64
|
56
|
114
|
205
|
149
|
94
|
84
|
48
|
41
|
51
|
64
|
62
|
52
|
58
|
107
|
92
|
92
|
70
|
77
|
66
|
88
|
65
|
54
|
48
|
72
|
71
|
74
|
52
|
43
|
|
2025/04
|
61
|
63
|
65
|
85
|
67
|
78
|
75
|
89
|
97
|
99
|
89
|
275
|
105
|
60
|
49
|
99
|
115
|
102
|
71
|
89
|
63
|
153
|
130
|
72
|
75
|
77
|
65
|
49
|
50
|
107
|
|
|
2025/03
|
117
|
46
|
43
|
59
|
88
|
105
|
86
|
85
|
109
|
113
|
95
|
126
|
155
|
82
|
48
|
47
|
39
|
48
|
44
|
39
|
45
|
62
|
83
|
211
|
106
|
164
|
116
|
143
|
90
|
55
|
65
|
|
2025/02
|
115
|
137
|
73
|
42
|
41
|
52
|
68
|
37
|
82
|
119
|
138
|
70
|
63
|
74
|
73
|
69
|
87
|
105
|
76
|
87
|
125
|
142
|
136
|
119
|
87
|
78
|
113
|
157
|
|||
|
2025/01
|
129
|
187
|
172
|
150
|
99
|
63
|
52
|
51
|
73
|
77
|
67
|
62
|
88
|
78
|
39
|
50
|
79
|
98
|
99
|
103
|
173
|
229
|
95
|
108
|
106
|
70
|
40
|
81
|
195
|
184
|
142
|
|
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