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
3 Oct
Sun
4 Oct
Mon
5 Oct
Tue
6 Oct
Wed
7 Oct
Thu
8 Oct
Fri
9 Oct
Real-time AQI (Monitoring Station in Chaoyang)
西梁
4124
PM2.5
41
PM10
44
O3
0.8
CO
10
SO2
27
NO2
河畔小区
3118
PM2.5
31
PM10
62
O3
1.1
CO
12
SO2
16
NO2
八里堡
4922
PM2.5
49
PM10
45
O3
1.1
CO
13
SO2
26
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