Air Quality
Excellent
No health implications.
14
PM2.5
22
PM10
14
O3
0.7
CO
9
SO2
49
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Dec
49
Excellent
Mon
22 Dec
64
Good
Tue
23 Dec
49
Excellent
Wed
24 Dec
49
Excellent
Thu
25 Dec
55
Good
Fri
26 Dec
59
Good
Sat
27 Dec
18
Excellent
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