Air Quality
Excellent
No health implications.
23
PM2.5
27
PM10
10
O3
0.7
CO
7
SO2
58
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Jan
59
Good
Sun
18 Jan
39
Excellent
Mon
19 Jan
45
Excellent
Tue
20 Jan
48
Excellent
Wed
21 Jan
51
Good
Thu
22 Jan
15
Excellent
Fri
23 Jan
48
Excellent
Erenhot Air quality rank
Air quality in the last 12 months (Erenhot)
|
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
|
|
|
2025/08
|
30
|
28
|
25
|
34
|
30
|
17
|
22
|
22
|
22
|
25
|
42
|
35
|
20
|
32
|
29
|
27
|
34
|
24
|
28
|
29
|
36
|
34
|
33
|
32
|
22
|
27
|
22
|
32
|
30
|
37
|
34
|
|
2025/07
|
27
|
26
|
36
|
32
|
14
|
17
|
27
|
27
|
25
|
25
|
21
|
31
|
24
|
30
|
29
|
14
|
23
|
32
|
20
|
15
|
17
|
27
|
33
|
26
|
19
|
21
|
22
|
29
|
25
|
22
|
27
|
|
2025/06
|
26
|
18
|
18
|
23
|
28
|
21
|
16
|
20
|
25
|
25
|
37
|
37
|
36
|
17
|
17
|
22
|
25
|
30
|
15
|
19
|
21
|
29
|
29
|
32
|
40
|
39
|
37
|
32
|
37
|
29
|
|
|
2025/05
|
26
|
18
|
18
|
69
|
81
|
27
|
60
|
54
|
44
|
45
|
36
|
47
|
33
|
32
|
40
|
108
|
27
|
36
|
28
|
47
|
29
|
26
|
36
|
39
|
49
|
33
|
31
|
55
|
52
|
36
|
15
|
|
2025/04
|
20
|
28
|
80
|
29
|
33
|
57
|
28
|
36
|
32
|
38
|
80
|
27
|
31
|
31
|
49
|
100
|
34
|
23
|
33
|
44
|
48
|
46
|
50
|
29
|
29
|
36
|
19
|
29
|
53
|
20
|
|
|
2025/03
|
43
|
21
|
30
|
60
|
26
|
27
|
36
|
57
|
77
|
115
|
189
|
58
|
35
|
30
|
27
|
27
|
27
|
24
|
26
|
30
|
40
|
60
|
159
|
132
|
34
|
116
|
36
|
19
|
19
|
20
|
29
|
|
2025/02
|
59
|
23
|
18
|
23
|
43
|
51
|
22
|
23
|
39
|
53
|
50
|
53
|
68
|
61
|
83
|
23
|
29
|
13
|
15
|
18
|
20
|
22
|
21
|
48
|
39
|
47
|
61
|
41
|
|||
|
2025/01
|
58
|
17
|
36
|
44
|
35
|
24
|
33
|
18
|
24
|
37
|
40
|
34
|
45
|
14
|
41
|
58
|
55
|
54
|
49
|
61
|
37
|
40
|
47
|
37
|
88
|
72
|
21
|
60
|
225
|
172
|
65
|
|
2024/12
|
40
|
22
|
30
|
18
|
25
|
17
|
18
|
30
|
36
|
27
|
31
|
45
|
35
|
37
|
48
|
44
|
14
|
23
|
43
|
27
|
22
|
39
|
38
|
50
|
38
|
18
|
31
|
60
|
120
|
63
|
47
|
|
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