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
23 Sep
Thu
24 Sep
Fri
25 Sep
Sat
26 Sep
Sun
27 Sep
Mon
28 Sep
Tue
29 Sep
Real-time AQI (Monitoring Station in Chaoyang)
西梁
5421
PM2.5
44
PM10
163
O3
0.7
CO
13
SO2
8
NO2
河畔小区
5311
PM2.5
40
PM10
162
O3
1.0
CO
11
SO2
7
NO2
八里堡
6019
PM2.5
40
PM10
168
O3
1.0
CO
12
SO2
8
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