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 May
Thu
28 May
Fri
29 May
Sat
30 May
Sun
31 May
Mon
1 Jun
Tue
2 Jun
Real-time AQI (Monitoring Station in Chifeng)
松山一中
273
PM2.5
27
PM10
42
O3
0.5
CO
16
SO2
30
NO2
哈达街
253
PM2.5
25
PM10
48
O3
0.4
CO
13
SO2
20
NO2
银河街
3815
PM2.5
38
PM10
38
O3
0.8
CO
22
SO2
26
NO2
桥北物流园区
293
PM2.5
29
PM10
28
O3
0.3
CO
5
SO2
29
NO2
Air quality in the last 12 months (Chifeng)
|
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
|
|
|
2025/08
|
29
|
33
|
21
|
22
|
24
|
27
|
16
|
26
|
16
|
22
|
26
|
24
|
21
|
22
|
25
|
21
|
26
|
28
|
26
|
28
|
23
|
18
|
23
|
19
|
23
|
20
|
27
|
18
|
27
|
25
|
29
|
|
2025/07
|
33
|
23
|
28
|
25
|
20
|
18
|
26
|
29
|
33
|
36
|
43
|
35
|
18
|
24
|
26
|
18
|
16
|
21
|
39
|
17
|
17
|
22
|
34
|
26
|
21
|
17
|
17
|
21
|
15
|
17
|
20
|
|
2025/06
|
25
|
37
|
28
|
20
|
26
|
27
|
20
|
26
|
34
|
18
|
34
|
46
|
33
|
36
|
12
|
14
|
25
|
37
|
25
|
19
|
21
|
25
|
36
|
47
|
49
|
52
|
44
|
29
|
36
|
34
|
|
|
2025/05
|
31
|
23
|
25
|
23
|
28
|
27
|
38
|
65
|
24
|
32
|
39
|
49
|
48
|
35
|
35
|
41
|
40
|
19
|
34
|
37
|
57
|
97
|
34
|
46
|
42
|
46
|
29
|
37
|
53
|
57
|
36
|
|
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