Air Quality
Excellent
No health implications.
25
PM2.5
47
PM10
38
O3
0.3
CO
6
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Aug
53
Good
Thu
21 Aug
53
Good
Fri
22 Aug
57
Good
Sat
23 Aug
61
Good
Sun
24 Aug
53
Good
Mon
25 Aug
30
Excellent
Tue
26 Aug
15
Excellent
Air quality in the last 12 months (Erenhot)
|
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
|
|
2024/11
|
58
|
52
|
22
|
20
|
32
|
44
|
57
|
60
|
71
|
26
|
45
|
37
|
57
|
71
|
67
|
44
|
34
|
43
|
53
|
57
|
47
|
45
|
66
|
54
|
23
|
28
|
34
|
26
|
28
|
40
|
|
|
2024/10
|
16
|
21
|
31
|
52
|
43
|
24
|
25
|
34
|
44
|
30
|
45
|
47
|
32
|
40
|
17
|
52
|
65
|
36
|
36
|
36
|
31
|
28
|
38
|
44
|
53
|
23
|
21
|
37
|
27
|
33
|
38
|
|
2024/09
|
14
|
21
|
37
|
27
|
16
|
17
|
21
|
32
|
39
|
19
|
21
|
34
|
21
|
14
|
21
|
16
|
22
|
47
|
43
|
15
|
14
|
21
|
41
|
38
|
18
|
32
|
52
|
49
|
21
|
24
|
|
|
2024/08
|
18
|
38
|
31
|
29
|
29
|
25
|
31
|
32
|
32
|
44
|
15
|
20
|
22
|
29
|
38
|
40
|
28
|
32
|
23
|
20
|
14
|
17
|
20
|
27
|
22
|
25
|
24
|
27
|
33
|
40
|
29
|
|
2024/07
|
20
|
26
|
36
|
27
|
36
|
35
|
41
|
47
|
48
|
47
|
46
|
36
|
31
|
38
|
38
|
13
|
20
|
22
|
48
|
54
|
77
|
59
|
29
|
36
|
30
|
19
|
14
|
13
|
24
|
30
|
19
|
|
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