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
2 Nov
Mon
3 Nov
Tue
4 Nov
Wed
5 Nov
Thu
6 Nov
Fri
7 Nov
Sat
8 Nov
Real-time AQI (Monitoring Station in Chaoyang)
西梁
9772 *
PM2.5
96
PM10
4
O3
1.2
CO
10
SO2
55
NO2
河畔小区
5337 *
PM2.5
51
PM10
24
O3
0.8
CO
8
SO2
39
NO2
八里堡
4531
PM2.5
34
PM10
21
O3
1.1
CO
11
SO2
44
NO2
农业园区
3721
PM2.5
37
PM10
20
O3
0.6
CO
8
SO2
44
NO2
Air quality in the last 12 months (Chaoyang)
|
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
|
|
2024/12
|
72
|
29
|
41
|
34
|
35
|
28
|
33
|
46
|
67
|
59
|
45
|
77
|
61
|
37
|
39
|
52
|
30
|
45
|
60
|
47
|
36
|
39
|
60
|
87
|
72
|
30
|
32
|
49
|
82
|
66
|
42
|
|
2024/11
|
59
|
51
|
57
|
28
|
38
|
45
|
92
|
152
|
84
|
72
|
42
|
50
|
56
|
65
|
54
|
31
|
30
|
34
|
56
|
71
|
51
|
45
|
57
|
115
|
69
|
21
|
32
|
42
|
42
|
50
|
|
|
2024/10
|
23
|
29
|
32
|
41
|
60
|
29
|
35
|
36
|
60
|
36
|
45
|
41
|
54
|
63
|
27
|
41
|
73
|
57
|
22
|
34
|
35
|
33
|
43
|
50
|
85
|
61
|
33
|
50
|
61
|
34
|
64
|
|
2024/09
|
25
|
30
|
29
|
35
|
22
|
32
|
23
|
27
|
42
|
24
|
41
|
36
|
40
|
14
|
31
|
35
|
29
|
39
|
46
|
12
|
19
|
29
|
29
|
41
|
34
|
35
|
43
|
56
|
37
|
20
|
|
|
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