Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
66
*
PM2.5
105
PM10
67
O3
0.7
CO
12
SO2
41
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
5 Dec
92
Good
Sat
6 Dec
112
Light
Sun
7 Dec
108
Light
Mon
8 Dec
64
Good
Tue
9 Dec
74
Good
Wed
10 Dec
95
Good
Thu
11 Dec
30
Excellent
Air quality in the last 12 months (Yiyuan)
|
2025/11
|
108
|
53
|
46
|
63
|
61
|
50
|
81
|
101
|
73
|
59
|
73
|
86
|
94
|
104
|
170
|
121
|
32
|
50
|
61
|
78
|
91
|
119
|
128
|
154
|
38
|
85
|
81
|
108
|
123
|
145
|
|
|
2025/10
|
46
|
18
|
21
|
38
|
12
|
12
|
33
|
37
|
25
|
15
|
17
|
16
|
27
|
41
|
33
|
48
|
46
|
22
|
33
|
31
|
40
|
47
|
42
|
48
|
92
|
95
|
73
|
86
|
59
|
52
|
93
|
|
2025/09
|
24
|
27
|
31
|
35
|
28
|
28
|
48
|
64
|
42
|
47
|
31
|
19
|
32
|
53
|
44
|
30
|
18
|
24
|
12
|
32
|
37
|
31
|
31
|
24
|
41
|
48
|
28
|
30
|
57
|
54
|
|
|
2025/08
|
12
|
14
|
32
|
38
|
39
|
32
|
37
|
33
|
14
|
22
|
27
|
27
|
38
|
34
|
23
|
32
|
23
|
37
|
37
|
30
|
31
|
30
|
30
|
37
|
46
|
28
|
26
|
32
|
32
|
32
|
19
|
|
2025/07
|
29
|
27
|
25
|
24
|
27
|
37
|
31
|
25
|
25
|
34
|
36
|
31
|
40
|
19
|
33
|
31
|
32
|
37
|
37
|
26
|
14
|
11
|
19
|
22
|
26
|
22
|
20
|
18
|
19
|
27
|
24
|
|
2025/06
|
44
|
44
|
44
|
36
|
52
|
51
|
63
|
58
|
55
|
31
|
41
|
40
|
37
|
38
|
32
|
24
|
29
|
38
|
18
|
26
|
30
|
33
|
38
|
37
|
52
|
57
|
38
|
34
|
22
|
22
|
|
|
2025/05
|
50
|
59
|
39
|
43
|
48
|
52
|
60
|
53
|
18
|
27
|
47
|
51
|
52
|
59
|
42
|
67
|
70
|
51
|
79
|
67
|
63
|
63
|
44
|
51
|
45
|
50
|
49
|
46
|
45
|
48
|
58
|
|
2025/04
|
66
|
36
|
47
|
72
|
51
|
61
|
85
|
90
|
65
|
72
|
65
|
135
|
48
|
56
|
54
|
69
|
111
|
74
|
48
|
55
|
51
|
82
|
68
|
66
|
67
|
58
|
61
|
54
|
56
|
68
|
|
|
2025/03
|
73
|
21
|
45
|
65
|
95
|
97
|
73
|
101
|
111
|
108
|
107
|
146
|
61
|
59
|
65
|
40
|
52
|
33
|
51
|
64
|
57
|
66
|
92
|
102
|
121
|
88
|
97
|
72
|
41
|
56
|
68
|
|
2025/02
|
76
|
118
|
56
|
38
|
39
|
58
|
44
|
27
|
51
|
77
|
70
|
103
|
79
|
83
|
100
|
90
|
52
|
60
|
55
|
64
|
81
|
47
|
55
|
49
|
71
|
91
|
122
|
138
|
|||
|
2025/01
|
133
|
103
|
78
|
136
|
184
|
59
|
55
|
46
|
45
|
51
|
87
|
107
|
105
|
103
|
42
|
66
|
83
|
111
|
128
|
95
|
134
|
142
|
113
|
124
|
85
|
74
|
32
|
62
|
141
|
94
|
122
|
|
2024/12
|
99
|
76
|
58
|
94
|
129
|
109
|
51
|
57
|
90
|
118
|
74
|
66
|
72
|
67
|
79
|
90
|
92
|
41
|
61
|
94
|
48
|
60
|
81
|
114
|
163
|
73
|
64
|
69
|
77
|
101
|
89
|
|
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