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
17 Sep
Fri
18 Sep
Sat
19 Sep
Sun
20 Sep
Mon
21 Sep
Tue
22 Sep
Wed
23 Sep
Real-time AQI (Monitoring Station in Chaoyang)
西梁
8653 *
PM2.5
75
PM10
164
O3
0.7
CO
7
SO2
7
NO2
河畔小区
7648 *
PM2.5
61
PM10
177
O3
1.0
CO
6
SO2
6
NO2
八里堡
8251 *
PM2.5
55
PM10
177
O3
0.9
CO
4
SO2
7
NO2
Air quality in the last 12 months (Chaoyang)
|
2026/08
|
34
|
34
|
39
|
32
|
35
|
37
|
29
|
27
|
34
|
38
|
29
|
26
|
19
|
29
|
33
|
39
|
27
|
36
|
41
|
43
|
50
|
29
|
26
|
36
|
33
|
36
|
38
|
23
|
28
|
33
|
22
|
|
2026/07
|
38
|
48
|
61
|
39
|
41
|
33
|
37
|
31
|
40
|
35
|
24
|
30
|
20
|
27
|
34
|
30
|
36
|
40
|
33
|
39
|
36
|
39
|
31
|
32
|
34
|
36
|
31
|
44
|
40
|
36
|
34
|
|
2026/06
|
57
|
79
|
37
|
27
|
25
|
27
|
24
|
25
|
27
|
27
|
30
|
39
|
47
|
36
|
34
|
49
|
36
|
40
|
48
|
35
|
27
|
37
|
34
|
33
|
32
|
38
|
55
|
50
|
44
|
34
|
|
|
2026/05
|
39
|
42
|
27
|
32
|
64
|
41
|
34
|
36
|
49
|
58
|
44
|
52
|
57
|
56
|
45
|
48
|
34
|
24
|
26
|
32
|
40
|
40
|
36
|
56
|
37
|
35
|
42
|
37
|
37
|
48
|
69
|
|
2026/04
|
49
|
59
|
100
|
33
|
41
|
29
|
28
|
56
|
42
|
36
|
66
|
53
|
31
|
49
|
64
|
78
|
59
|
84
|
81
|
204
|
51
|
41
|
52
|
60
|
61
|
35
|
35
|
28
|
32
|
44
|
|
|
2026/03
|
46
|
74
|
149
|
51
|
40
|
27
|
36
|
51
|
30
|
64
|
72
|
57
|
88
|
32
|
57
|
41
|
74
|
38
|
43
|
42
|
82
|
155
|
111
|
111
|
108
|
67
|
41
|
70
|
47
|
37
|
50
|
|
2026/02
|
66
|
39
|
48
|
57
|
69
|
30
|
51
|
36
|
59
|
80
|
57
|
95
|
111
|
96
|
54
|
103
|
154
|
24
|
61
|
78
|
175
|
68
|
32
|
58
|
80
|
47
|
41
|
34
|
|||
|
2026/01
|
69
|
77
|
97
|
91
|
56
|
48
|
41
|
55
|
77
|
37
|
26
|
51
|
28
|
98
|
63
|
35
|
33
|
33
|
36
|
48
|
55
|
59
|
60
|
55
|
39
|
66
|
31
|
49
|
58
|
57
|
81
|
|
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
|
|
|
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