Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
31 Jan
Sun
1 Feb
Mon
2 Feb
Tue
3 Feb
Wed
4 Feb
Thu
5 Feb
Fri
6 Feb
Real-time AQI (Monitoring Station in Chaoyang)
西梁
7857 *
PM2.5
104
PM10
4
O3
0.9
CO
16
SO2
53
NO2
河畔小区
8462 *
PM2.5
70
PM10
6
O3
1.3
CO
12
SO2
48
NO2
Air quality in the last 12 months (Chaoyang)
|
2025/12
|
33
|
25
|
37
|
57
|
46
|
79
|
66
|
45
|
53
|
72
|
33
|
62
|
91
|
71
|
81
|
64
|
73
|
119
|
103
|
29
|
33
|
59
|
57
|
42
|
38
|
54
|
80
|
77
|
42
|
44
|
40
|
|
2025/11
|
59
|
25
|
53
|
57
|
107
|
50
|
48
|
46
|
40
|
39
|
42
|
79
|
40
|
72
|
88
|
55
|
34
|
50
|
49
|
34
|
54
|
52
|
86
|
110
|
27
|
48
|
35
|
73
|
73
|
47
|
|
|
2025/10
|
49
|
56
|
50
|
38
|
26
|
18
|
33
|
18
|
21
|
32
|
47
|
31
|
42
|
62
|
52
|
28
|
31
|
18
|
27
|
27
|
42
|
49
|
48
|
59
|
75
|
45
|
39
|
48
|
106
|
56
|
61
|
|
2025/09
|
38
|
35
|
44
|
57
|
57
|
39
|
30
|
27
|
36
|
32
|
47
|
41
|
38
|
35
|
27
|
28
|
25
|
31
|
39
|
38
|
36
|
33
|
33
|
33
|
35
|
43
|
61
|
53
|
40
|
48
|
|
|
2025/08
|
38
|
47
|
35
|
20
|
22
|
22
|
23
|
29
|
25
|
33
|
37
|
38
|
25
|
30
|
39
|
30
|
21
|
34
|
37
|
28
|
32
|
23
|
37
|
19
|
24
|
29
|
30
|
14
|
34
|
42
|
41
|
|
2025/07
|
36
|
31
|
24
|
33
|
42
|
23
|
31
|
37
|
36
|
33
|
34
|
39
|
22
|
30
|
32
|
24
|
20
|
23
|
35
|
23
|
23
|
32
|
29
|
26
|
33
|
37
|
35
|
25
|
21
|
19
|
30
|
|
2025/06
|
33
|
49
|
36
|
21
|
38
|
34
|
25
|
39
|
35
|
24
|
37
|
47
|
30
|
43
|
28
|
15
|
29
|
39
|
41
|
23
|
31
|
32
|
42
|
52
|
45
|
46
|
42
|
19
|
37
|
33
|
|
|
2025/05
|
56
|
37
|
36
|
30
|
41
|
37
|
52
|
65
|
32
|
41
|
51
|
75
|
69
|
48
|
46
|
53
|
33
|
31
|
48
|
63
|
56
|
72
|
36
|
50
|
41
|
49
|
68
|
95
|
45
|
76
|
53
|
|
2025/04
|
55
|
29
|
50
|
60
|
45
|
44
|
67
|
32
|
34
|
52
|
62
|
75
|
25
|
22
|
52
|
64
|
75
|
30
|
27
|
44
|
49
|
27
|
60
|
51
|
39
|
60
|
34
|
33
|
64
|
46
|
|
|
2025/03
|
159
|
44
|
43
|
56
|
69
|
35
|
64
|
70
|
133
|
122
|
113
|
70
|
44
|
46
|
43
|
41
|
50
|
29
|
54
|
60
|
50
|
59
|
71
|
55
|
93
|
127
|
58
|
42
|
32
|
35
|
49
|
|
2025/02
|
89
|
84
|
38
|
25
|
30
|
60
|
51
|
29
|
53
|
68
|
92
|
61
|
74
|
67
|
73
|
35
|
26
|
27
|
40
|
39
|
30
|
37
|
38
|
51
|
55
|
60
|
90
|
132
|
|||
|
2025/01
|
49
|
39
|
46
|
73
|
84
|
55
|
36
|
35
|
28
|
63
|
73
|
78
|
66
|
37
|
35
|
49
|
61
|
64
|
53
|
78
|
68
|
66
|
107
|
138
|
133
|
112
|
34
|
83
|
278
|
75
|
93
|
|
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