Air Quality
Excellent
No health implications.
4
PM2.5
32
PM10
68
O3
0.4
CO
3
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Jan
74
Good
Sun
11 Jan
63
Good
Mon
12 Jan
80
Good
Tue
13 Jan
84
Good
Wed
14 Jan
119
Light
Thu
15 Jan
151
Moderate
Fri
16 Jan
32
Excellent
Yi County Air quality rank
1
Oroqen, Inner Mongolia
2
Daxing'anling Prefecture, Heilongjiang
3
Tahe, Heilongjiang
4
Linxi, Inner Mongolia
5
Hexigten Banner, Inner Mongolia
6
Harqin Banner, Inner Mongolia
7
Xilinhot, Inner Mongolia
8
East Ujumqin Banner, Inner Mongolia
9
West Ujumqin Banner, Inner Mongolia
0
Yi County, Hebei
Air quality in the last 12 months (Yi County)
|
2025/11
|
55
|
34
|
61
|
92
|
166
|
173
|
58
|
71
|
58
|
63
|
96
|
145
|
63
|
73
|
95
|
46
|
24
|
42
|
57
|
58
|
62
|
71
|
97
|
100
|
41
|
105
|
37
|
79
|
108
|
137
|
|
|
2025/10
|
60
|
46
|
56
|
66
|
56
|
30
|
49
|
27
|
10
|
11
|
18
|
36
|
45
|
46
|
71
|
71
|
39
|
13
|
21
|
25
|
34
|
48
|
77
|
110
|
144
|
47
|
48
|
104
|
162
|
182
|
117
|
|
2025/09
|
45
|
47
|
45
|
46
|
46
|
34
|
49
|
40
|
53
|
50
|
60
|
52
|
54
|
52
|
45
|
31
|
24
|
24
|
27
|
49
|
57
|
32
|
49
|
58
|
58
|
57
|
47
|
56
|
48
|
62
|
|
|
2025/08
|
42
|
54
|
47
|
31
|
33
|
53
|
35
|
25
|
21
|
31
|
40
|
45
|
23
|
45
|
46
|
25
|
34
|
42
|
26
|
20
|
32
|
32
|
20
|
18
|
25
|
33
|
18
|
22
|
35
|
28
|
36
|
|
2025/07
|
30
|
36
|
22
|
34
|
16
|
23
|
34
|
27
|
41
|
24
|
49
|
50
|
22
|
42
|
45
|
38
|
23
|
34
|
55
|
24
|
21
|
36
|
34
|
26
|
23
|
42
|
46
|
29
|
13
|
20
|
33
|
|
2025/06
|
74
|
51
|
22
|
34
|
55
|
52
|
46
|
54
|
62
|
39
|
65
|
84
|
72
|
38
|
20
|
24
|
59
|
74
|
38
|
42
|
36
|
40
|
58
|
52
|
63
|
65
|
58
|
58
|
45
|
52
|
|
|
2025/05
|
44
|
62
|
31
|
53
|
56
|
45
|
70
|
93
|
30
|
40
|
55
|
68
|
82
|
39
|
50
|
67
|
75
|
58
|
68
|
91
|
75
|
64
|
58
|
41
|
53
|
60
|
67
|
67
|
70
|
70
|
65
|
|
2025/04
|
52
|
26
|
65
|
81
|
36
|
80
|
84
|
53
|
60
|
71
|
150
|
106
|
53
|
35
|
58
|
87
|
94
|
49
|
48
|
73
|
78
|
49
|
63
|
51
|
64
|
92
|
76
|
58
|
70
|
58
|
|
|
2025/03
|
219
|
84
|
42
|
53
|
68
|
40
|
76
|
118
|
123
|
149
|
182
|
115
|
122
|
72
|
46
|
23
|
34
|
41
|
42
|
34
|
30
|
53
|
135
|
90
|
64
|
78
|
73
|
31
|
25
|
47
|
63
|
|
2025/02
|
96
|
90
|
14
|
27
|
23
|
67
|
17
|
22
|
49
|
77
|
120
|
50
|
71
|
80
|
77
|
29
|
33
|
50
|
42
|
38
|
41
|
37
|
22
|
57
|
60
|
62
|
113
|
169
|
|||
|
2025/01
|
59
|
53
|
50
|
75
|
61
|
20
|
24
|
16
|
24
|
46
|
62
|
53
|
70
|
43
|
33
|
57
|
84
|
101
|
74
|
91
|
64
|
63
|
83
|
109
|
131
|
114
|
14
|
51
|
225
|
76
|
81
|
|
2024/12
|
71
|
27
|
62
|
87
|
39
|
36
|
13
|
43
|
60
|
61
|
59
|
91
|
46
|
29
|
45
|
56
|
39
|
40
|
55
|
57
|
22
|
48
|
59
|
83
|
100
|
44
|
36
|
44
|
74
|
72
|
64
|
|
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