Air Quality
Moderate
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
81
PM2.5
292
*
PM10
61
O3
0.5
CO
9
SO2
13
NO2
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
Advise
Children, seniors and individuals with respiratory or heart diseases should avoid sustained and high-intensity outdoor exercises. General population should moderately reduce outdoor activities.
Air Quality
Today
22 Feb
125
Light
Mon
23 Feb
88
Good
Tue
24 Feb
71
Good
Wed
25 Feb
85
Good
Thu
26 Feb
89
Good
Fri
27 Feb
39
Excellent
Sat
28 Feb
42
Excellent
Air quality in the last 12 months (Yichuan)
|
2026/01
|
73
|
120
|
131
|
99
|
55
|
38
|
45
|
55
|
55
|
72
|
64
|
71
|
75
|
86
|
78
|
109
|
86
|
70
|
63
|
82
|
127
|
130
|
138
|
226
|
185
|
178
|
165
|
173
|
202
|
150
|
134
|
|
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
|
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7
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9
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10
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11
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12
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13
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14
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15
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16
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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
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution