Air Quality
Excellent
No health implications.
2
PM2.5
13
PM10
38
O3
0.2
CO
7
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Oct
54
Good
Mon
26 Oct
54
Good
Tue
27 Oct
52
Good
Wed
28 Oct
60
Good
Thu
29 Oct
59
Good
Fri
30 Oct
48
Excellent
Sat
31 Oct
43
Excellent
Air quality in the last 12 months (Erenhot)
|
2026/08
|
35
|
31
|
32
|
37
|
29
|
27
|
32
|
35
|
37
|
39
|
25
|
28
|
26
|
31
|
30
|
25
|
25
|
33
|
36
|
35
|
33
|
29
|
32
|
34
|
27
|
27
|
28
|
38
|
30
|
23
|
26
|
|
2026/07
|
30
|
34
|
41
|
33
|
27
|
25
|
24
|
25
|
29
|
22
|
28
|
50
|
33
|
35
|
32
|
30
|
36
|
30
|
36
|
39
|
35
|
38
|
40
|
38
|
35
|
37
|
36
|
37
|
34
|
40
|
42
|
|
2026/06
|
35
|
31
|
25
|
22
|
24
|
22
|
21
|
21
|
21
|
25
|
28
|
32
|
30
|
30
|
38
|
39
|
30
|
37
|
34
|
24
|
31
|
37
|
21
|
23
|
31
|
45
|
35
|
36
|
37
|
38
|
|
|
2026/05
|
40
|
32
|
28
|
32
|
50
|
34
|
27
|
40
|
56
|
32
|
35
|
47
|
74
|
105
|
32
|
33
|
31
|
33
|
45
|
47
|
52
|
58
|
56
|
48
|
32
|
36
|
41
|
31
|
41
|
43
|
42
|
|
2026/04
|
25
|
48
|
74
|
68
|
30
|
26
|
29
|
55
|
50
|
34
|
36
|
55
|
61
|
55
|
55
|
40
|
66
|
67
|
203
|
68
|
44
|
41
|
59
|
47
|
45
|
100
|
54
|
30
|
29
|
40
|
|
|
2026/03
|
66
|
71
|
62
|
58
|
26
|
27
|
41
|
37
|
29
|
42
|
29
|
95
|
127
|
26
|
38
|
56
|
75
|
34
|
41
|
48
|
69
|
28
|
36
|
58
|
37
|
25
|
26
|
44
|
33
|
27
|
30
|
|
2026/02
|
16
|
19
|
40
|
42
|
14
|
23
|
25
|
30
|
47
|
42
|
37
|
51
|
54
|
31
|
30
|
36
|
180
|
112
|
52
|
115
|
303
|
19
|
24
|
32
|
56
|
26
|
50
|
68
|
|||
|
2026/01
|
68
|
43
|
63
|
31
|
20
|
40
|
43
|
62
|
73
|
28
|
39
|
55
|
46
|
84
|
70
|
19
|
43
|
19
|
19
|
26
|
31
|
49
|
43
|
57
|
69
|
66
|
45
|
50
|
27
|
27
|
21
|
|
2025/12
|
22
|
21
|
36
|
23
|
44
|
67
|
27
|
31
|
51
|
45
|
23
|
44
|
43
|
58
|
93
|
60
|
43
|
55
|
38
|
18
|
36
|
61
|
34
|
25
|
31
|
43
|
40
|
42
|
30
|
21
|
31
|
|
2025/11
|
29
|
23
|
45
|
54
|
46
|
42
|
52
|
50
|
41
|
35
|
46
|
37
|
35
|
55
|
64
|
17
|
18
|
27
|
42
|
39
|
52
|
66
|
110
|
30
|
44
|
83
|
41
|
94
|
106
|
60
|
|
|
2025/10
|
44
|
48
|
46
|
51
|
47
|
42
|
29
|
28
|
29
|
38
|
32
|
33
|
54
|
50
|
31
|
32
|
16
|
27
|
26
|
24
|
32
|
44
|
36
|
57
|
19
|
16
|
33
|
47
|
48
|
18
|
20
|
|
2025/09
|
31
|
47
|
62
|
52
|
41
|
35
|
17
|
31
|
51
|
48
|
41
|
29
|
40
|
29
|
29
|
16
|
17
|
26
|
34
|
38
|
33
|
40
|
39
|
33
|
36
|
42
|
40
|
26
|
35
|
43
|
|
|
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