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
15 Jul
Wed
16 Jul
Thu
17 Jul
Fri
18 Jul
Sat
19 Jul
Sun
20 Jul
Mon
21 Jul
Real-time AQI (Monitoring Station in Chifeng)
松山一中
2618
PM2.5
26
PM10
34
O3
0.8
CO
70
SO2
32
NO2
哈达街
3015
PM2.5
30
PM10
23
O3
1.0
CO
50
SO2
46
NO2
银河街
2919
PM2.5
29
PM10
33
O3
0.5
CO
8
SO2
17
NO2
Air quality in the last 12 months (Chifeng)
|
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
|
|
2025/04
|
28
|
22
|
37
|
52
|
24
|
36
|
53
|
24
|
44
|
42
|
67
|
64
|
33
|
24
|
40
|
61
|
56
|
23
|
22
|
41
|
51
|
21
|
52
|
29
|
25
|
49
|
26
|
19
|
54
|
38
|
|
|
2025/03
|
44
|
50
|
54
|
56
|
47
|
27
|
59
|
79
|
94
|
96
|
157
|
68
|
42
|
43
|
30
|
27
|
46
|
26
|
35
|
38
|
36
|
37
|
84
|
48
|
52
|
143
|
40
|
33
|
22
|
25
|
34
|
|
2025/02
|
102
|
91
|
21
|
21
|
28
|
37
|
33
|
17
|
29
|
44
|
63
|
46
|
50
|
42
|
65
|
26
|
21
|
24
|
21
|
23
|
21
|
24
|
16
|
28
|
32
|
29
|
60
|
58
|
|||
|
2025/01
|
36
|
20
|
29
|
46
|
33
|
27
|
23
|
27
|
19
|
28
|
51
|
51
|
33
|
30
|
27
|
35
|
45
|
42
|
35
|
53
|
31
|
64
|
84
|
87
|
115
|
56
|
21
|
44
|
211
|
50
|
73
|
|
2024/12
|
51
|
19
|
26
|
22
|
26
|
20
|
19
|
26
|
43
|
44
|
36
|
48
|
22
|
20
|
20
|
29
|
22
|
24
|
49
|
36
|
20
|
25
|
34
|
55
|
50
|
20
|
23
|
24
|
58
|
64
|
28
|
|
2024/11
|
48
|
47
|
26
|
24
|
35
|
48
|
71
|
122
|
98
|
48
|
49
|
53
|
66
|
59
|
51
|
31
|
26
|
43
|
54
|
50
|
33
|
39
|
57
|
80
|
49
|
23
|
33
|
26
|
21
|
28
|
|
|
2024/10
|
17
|
22
|
29
|
43
|
51
|
19
|
24
|
38
|
60
|
28
|
30
|
58
|
93
|
57
|
31
|
54
|
53
|
33
|
22
|
40
|
38
|
28
|
44
|
46
|
52
|
36
|
39
|
45
|
44
|
36
|
57
|
|
2024/09
|
19
|
18
|
23
|
26
|
17
|
25
|
19
|
24
|
21
|
20
|
30
|
34
|
36
|
16
|
26
|
29
|
33
|
28
|
35
|
11
|
15
|
22
|
25
|
28
|
20
|
26
|
40
|
60
|
50
|
11
|
|
|
2024/08
|
16
|
23
|
20
|
20
|
25
|
26
|
30
|
24
|
42
|
24
|
13
|
10
|
15
|
22
|
31
|
31
|
36
|
31
|
24
|
8
|
12
|
14
|
18
|
21
|
23
|
24
|
24
|
32
|
32
|
28
|
30
|
|
2024/07
|
36
|
37
|
22
|
32
|
29
|
27
|
23
|
54
|
61
|
51
|
53
|
34
|
35
|
44
|
36
|
27
|
14
|
19
|
24
|
23
|
37
|
21
|
24
|
23
|
17
|
19
|
21
|
21
|
15
|
26
|
12
|
|
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