Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
39
PM2.5
79
*
PM10
99
O3
0.4
CO
15
SO2
22
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
1 May
98
Good
Fri
2 May
105
Light
Sat
3 May
85
Good
Sun
4 May
84
Good
Mon
5 May
102
Light
Tue
6 May
92
Good
Wed
7 May
32
Excellent
Air quality in the last 12 months (Yichuan)
|
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
|
|
2024/12
|
57
|
64
|
68
|
107
|
49
|
57
|
58
|
70
|
120
|
139
|
123
|
144
|
67
|
48
|
46
|
71
|
99
|
100
|
95
|
91
|
53
|
83
|
112
|
133
|
98
|
115
|
93
|
40
|
65
|
67
|
77
|
|
2024/11
|
85
|
64
|
71
|
62
|
53
|
89
|
127
|
105
|
90
|
132
|
182
|
220
|
167
|
69
|
109
|
63
|
30
|
56
|
47
|
51
|
52
|
120
|
159
|
103
|
49
|
37
|
59
|
51
|
36
|
46
|
|
|
2024/10
|
55
|
54
|
62
|
83
|
88
|
99
|
115
|
159
|
141
|
68
|
103
|
151
|
142
|
123
|
113
|
147
|
99
|
20
|
28
|
30
|
48
|
27
|
39
|
60
|
102
|
83
|
46
|
133
|
152
|
156
|
207
|
|
2024/09
|
38
|
27
|
38
|
48
|
37
|
29
|
47
|
66
|
63
|
40
|
25
|
31
|
38
|
57
|
33
|
50
|
53
|
46
|
31
|
36
|
21
|
33
|
58
|
75
|
73
|
112
|
122
|
71
|
48
|
15
|
|
|
2024/08
|
25
|
29
|
24
|
19
|
28
|
24
|
31
|
35
|
33
|
102
|
57
|
24
|
35
|
35
|
46
|
50
|
44
|
33
|
24
|
27
|
19
|
30
|
49
|
47
|
40
|
32
|
21
|
29
|
44
|
48
|
38
|
|
2024/07
|
32
|
25
|
51
|
24
|
23
|
19
|
38
|
22
|
37
|
64
|
47
|
45
|
50
|
66
|
49
|
42
|
27
|
16
|
28
|
35
|
38
|
28
|
34
|
44
|
59
|
34
|
33
|
32
|
17
|
14
|
16
|
|
2024/06
|
68
|
51
|
50
|
70
|
40
|
68
|
59
|
59
|
46
|
48
|
48
|
66
|
67
|
52
|
55
|
46
|
28
|
42
|
49
|
46
|
25
|
39
|
48
|
101
|
95
|
70
|
55
|
50
|
35
|
40
|
|
|
2024/05
|
34
|
53
|
54
|
46
|
49
|
49
|
66
|
79
|
58
|
56
|
109
|
105
|
94
|
68
|
85
|
56
|
57
|
63
|
55
|
59
|
62
|
66
|
57
|
78
|
80
|
59
|
54
|
65
|
59
|
50
|
82
|
|
2024/04
|
130
|
141
|
106
|
61
|
70
|
65
|
52
|
53
|
71
|
72
|
44
|
55
|
53
|
48
|
70
|
80
|
63
|
68
|
65
|
60
|
75
|
80
|
78
|
82
|
77
|
61
|
59
|
62
|
70
|
39
|
|
|
2024/03
|
115
|
78
|
70
|
98
|
143
|
104
|
103
|
63
|
82
|
83
|
75
|
89
|
112
|
92
|
79
|
141
|
100
|
62
|
115
|
87
|
94
|
109
|
104
|
79
|
46
|
64
|
64
|
73
|
67
|
101
|
101
|
|
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