Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Sep
Mon
28 Sep
Tue
29 Sep
Wed
30 Sep
Thu
1 Oct
Fri
2 Oct
Sat
3 Oct
Real-time AQI (Monitoring Station in Chifeng)
哈达街
2215
PM2.5
19
PM10
45
O3
0.7
CO
19
SO2
18
NO2
银河街
203
PM2.5
20
PM10
63
O3
0.6
CO
5
SO2
7
NO2
Air quality in the last 12 months (Chifeng)
|
2026/08
|
30
|
32
|
28
|
25
|
26
|
27
|
24
|
25
|
31
|
41
|
42
|
27
|
23
|
27
|
28
|
25
|
22
|
25
|
27
|
38
|
40
|
40
|
31
|
31
|
24
|
24
|
27
|
27
|
26
|
21
|
20
|
|
2026/07
|
36
|
33
|
35
|
40
|
31
|
24
|
26
|
25
|
33
|
28
|
24
|
27
|
35
|
26
|
27
|
27
|
33
|
34
|
31
|
41
|
35
|
32
|
31
|
34
|
40
|
40
|
36
|
37
|
33
|
29
|
32
|
|
2026/06
|
36
|
46
|
22
|
22
|
20
|
20
|
23
|
22
|
21
|
23
|
27
|
36
|
42
|
34
|
48
|
34
|
29
|
37
|
55
|
29
|
26
|
33
|
34
|
30
|
28
|
30
|
40
|
48
|
44
|
39
|
|
|
2026/05
|
32
|
28
|
22
|
26
|
49
|
34
|
27
|
33
|
49
|
46
|
35
|
46
|
57
|
71
|
64
|
46
|
29
|
27
|
41
|
36
|
38
|
35
|
33
|
47
|
40
|
29
|
34
|
31
|
29
|
34
|
57
|
|
2026/04
|
37
|
53
|
79
|
47
|
46
|
25
|
27
|
50
|
28
|
34
|
55
|
47
|
35
|
43
|
71
|
66
|
40
|
42
|
99
|
120
|
33
|
32
|
48
|
47
|
47
|
31
|
26
|
24
|
29
|
35
|
|
|
2026/03
|
46
|
49
|
71
|
63
|
33
|
31
|
41
|
54
|
28
|
54
|
29
|
52
|
86
|
39
|
64
|
63
|
80
|
38
|
42
|
53
|
70
|
83
|
78
|
93
|
64
|
57
|
34
|
42
|
45
|
38
|
45
|
|
2026/02
|
22
|
32
|
38
|
41
|
54
|
18
|
21
|
23
|
50
|
44
|
41
|
69
|
58
|
47
|
22
|
47
|
122
|
24
|
37
|
64
|
237
|
34
|
20
|
50
|
82
|
39
|
35
|
43
|
|||
|
2026/01
|
33
|
69
|
84
|
60
|
51
|
37
|
24
|
43
|
69
|
21
|
25
|
43
|
29
|
67
|
46
|
29
|
32
|
22
|
24
|
23
|
26
|
35
|
43
|
36
|
44
|
48
|
31
|
45
|
45
|
63
|
38
|
|
2025/12
|
23
|
20
|
23
|
23
|
37
|
46
|
35
|
24
|
55
|
59
|
27
|
64
|
48
|
40
|
59
|
64
|
67
|
75
|
82
|
20
|
31
|
59
|
60
|
28
|
26
|
68
|
85
|
50
|
30
|
22
|
27
|
|
2025/11
|
32
|
21
|
52
|
55
|
74
|
51
|
51
|
49
|
16
|
23
|
39
|
61
|
29
|
45
|
62
|
41
|
18
|
28
|
32
|
22
|
28
|
39
|
70
|
54
|
25
|
41
|
24
|
56
|
54
|
28
|
|
|
2025/10
|
43
|
46
|
44
|
33
|
19
|
20
|
45
|
21
|
17
|
26
|
39
|
32
|
48
|
55
|
40
|
27
|
27
|
18
|
17
|
19
|
38
|
45
|
48
|
62
|
44
|
18
|
21
|
55
|
81
|
46
|
42
|
|
2025/09
|
26
|
25
|
35
|
40
|
41
|
21
|
16
|
22
|
24
|
29
|
46
|
38
|
44
|
17
|
16
|
18
|
19
|
21
|
30
|
33
|
37
|
36
|
22
|
18
|
30
|
39
|
41
|
35
|
37
|
38
|
|
|
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
*: primary pollution