Air Quality
Severely
Healthy people will experience reduced endurance in activities and may also show noticeably strong symptoms. Other illnesses may be triggered in healthy people. Elders and the sick should remain indoors and avoid exercise. Healthy individuals should avoid outdoor activities.
PM2.5
PM10
O3
CO
SO2
NO2
Healthy people will experience reduced endurance in activities and may also show noticeably strong symptoms. Other illnesses may be triggered in healthy people. Elders and the sick should remain indoors and avoid exercise. Healthy individuals should avoid outdoor activities.
Advise
Children, seniors and the sick should stay indoors and avoid physical exertion. General population should avoid outdoor activities.
Air Quality
Today
22 Mar
Thu
23 Mar
Fri
24 Mar
Sat
25 Mar
Sun
26 Mar
Mon
27 Mar
Tue
28 Mar
Real-time AQI (Monitoring Station in Chaoyang)
八里堡
500437
PM2.5
4362 *
PM10
85
O3
0.5
CO
8
SO2
8
NO2
河畔小区
500415
PM2.5
4062 *
PM10
86
O3
0.5
CO
5
SO2
10
NO2
西梁
500478
PM2.5
4469 *
PM10
77
O3
0.2
CO
9
SO2
10
NO2
Air quality in the last 12 months (Chaoyang)
|
2023/02
|
64
|
45
|
63
|
58
|
91
|
94
|
67
|
61
|
65
|
62
|
112
|
36
|
36
|
27
|
52
|
83
|
162
|
102
|
45
|
37
|
37
|
78
|
84
|
29
|
45
|
62
|
119
|
71
|
|||
|
2023/01
|
78
|
64
|
83
|
99
|
123
|
251
|
133
|
102
|
44
|
67
|
73
|
103
|
83
|
34
|
50
|
45
|
75
|
78
|
90
|
35
|
94
|
168
|
33
|
39
|
50
|
70
|
47
|
49
|
58
|
62
|
69
|
|
2022/12
|
49
|
60
|
42
|
50
|
63
|
40
|
62
|
85
|
81
|
48
|
54
|
132
|
85
|
48
|
41
|
50
|
23
|
34
|
63
|
69
|
46
|
40
|
41
|
43
|
72
|
97
|
69
|
53
|
72
|
69
|
73
|
|
2022/11
|
23
|
33
|
26
|
33
|
32
|
69
|
70
|
60
|
85
|
103
|
99
|
19
|
29
|
53
|
68
|
52
|
105
|
100
|
83
|
49
|
48
|
66
|
80
|
101
|
109
|
28
|
46
|
55
|
41
|
31
|
|
|
2022/10
|
78
|
79
|
24
|
26
|
40
|
43
|
51
|
66
|
17
|
24
|
24
|
43
|
68
|
84
|
72
|
23
|
26
|
40
|
50
|
71
|
63
|
32
|
39
|
44
|
78
|
59
|
23
|
34
|
53
|
81
|
45
|
|
2022/09
|
27
|
41
|
44
|
36
|
30
|
34
|
38
|
44
|
58
|
60
|
38
|
45
|
49
|
43
|
46
|
32
|
47
|
46
|
42
|
34
|
50
|
39
|
27
|
37
|
54
|
71
|
98
|
63
|
74
|
81
|
|
|
2022/08
|
50
|
62
|
75
|
69
|
40
|
55
|
55
|
21
|
31
|
32
|
43
|
53
|
44
|
47
|
20
|
26
|
37
|
45
|
32
|
32
|
37
|
44
|
29
|
34
|
31
|
39
|
27
|
38
|
30
|
44
|
42
|
|
2022/07
|
43
|
33
|
54
|
33
|
43
|
23
|
27
|
45
|
34
|
33
|
33
|
41
|
39
|
36
|
31
|
28
|
38
|
31
|
31
|
40
|
29
|
33
|
33
|
45
|
64
|
50
|
32
|
30
|
27
|
35
|
32
|
|
2022/06
|
49
|
51
|
65
|
55
|
32
|
18
|
26
|
40
|
37
|
47
|
42
|
31
|
33
|
29
|
27
|
50
|
64
|
57
|
54
|
50
|
58
|
48
|
38
|
30
|
49
|
42
|
43
|
32
|
37
|
40
|
|
|
2022/05
|
39
|
47
|
57
|
82
|
85
|
49
|
33
|
41
|
40
|
64
|
30
|
36
|
43
|
27
|
45
|
40
|
57
|
51
|
58
|
49
|
65
|
59
|
69
|
69
|
30
|
27
|
41
|
65
|
45
|
35
|
39
|
|
2022/04
|
39
|
52
|
54
|
72
|
70
|
29
|
49
|
81
|
75
|
89
|
74
|
50
|
49
|
69
|
45
|
46
|
51
|
44
|
59
|
77
|
75
|
29
|
75
|
57
|
100
|
91
|
30
|
34
|
47
|
47
|
|
|
2022/03
|
33
|
46
|
53
|
94
|
50
|
45
|
59
|
61
|
80
|
97
|
52
|
72
|
63
|
37
|
54
|
28
|
28
|
26
|
34
|
58
|
58
|
46
|
55
|
83
|
91
|
49
|
42
|
66
|
50
|
31
|
44
|
|
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