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
25 Oct
Mon
26 Oct
Tue
27 Oct
Wed
28 Oct
Thu
29 Oct
Fri
30 Oct
Sat
31 Oct
Real-time AQI (Monitoring Station in Chaoyang)
西梁
203
PM2.5
19
PM10
64
O3
0.5
CO
4
SO2
7
NO2
河畔小区
256
PM2.5
25
PM10
58
O3
0.6
CO
10
SO2
7
NO2
八里堡
1911
PM2.5
19
PM10
60
O3
0.6
CO
12
SO2
6
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