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
17 May
Mon
18 May
Tue
19 May
Wed
20 May
Thu
21 May
Fri
22 May
Sat
23 May
Real-time AQI (Monitoring Station in Chifeng)
哈达街
3214
PM2.5
32
PM10
59
O3
0.4
CO
9
SO2
17
NO2
天义路
2215
PM2.5
15
PM10
50
O3
0.2
CO
6
SO2
16
NO2
银河街
4618
PM2.5
46
PM10
88
O3
1.0
CO
11
SO2
10
NO2
桥北物流园区
249
PM2.5
24
PM10
45
O3
0.5
CO
3
SO2
13
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