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 Apr
Fri
18 Apr
Sat
19 Apr
Sun
20 Apr
Mon
21 Apr
Tue
22 Apr
Wed
23 Apr
Real-time AQI (Monitoring Station in Chaoyang)
西梁
9369 *
PM2.5
106
PM10
28
O3
1.1
CO
18
SO2
71
NO2
河畔小区
8462 *
PM2.5
67
PM10
77
O3
0.9
CO
12
SO2
31
NO2
八里堡
7252 *
PM2.5
72
PM10
76
O3
0.9
CO
12
SO2
36
NO2
Air quality in the last 12 months (Chaoyang)
|
2025/02
|
89
|
84
|
38
|
25
|
30
|
60
|
51
|
29
|
53
|
68
|
92
|
61
|
74
|
67
|
73
|
35
|
26
|
27
|
40
|
39
|
30
|
37
|
38
|
51
|
55
|
60
|
90
|
132
|
|||
|
2025/01
|
49
|
39
|
46
|
73
|
84
|
55
|
36
|
35
|
28
|
63
|
73
|
78
|
66
|
37
|
35
|
49
|
61
|
64
|
53
|
78
|
68
|
66
|
107
|
138
|
133
|
112
|
34
|
83
|
278
|
75
|
93
|
|
2024/12
|
72
|
29
|
41
|
34
|
35
|
28
|
33
|
46
|
67
|
59
|
45
|
77
|
61
|
37
|
39
|
52
|
30
|
45
|
60
|
47
|
36
|
39
|
60
|
87
|
72
|
30
|
32
|
49
|
82
|
66
|
42
|
|
2024/11
|
59
|
51
|
57
|
28
|
38
|
45
|
92
|
152
|
84
|
72
|
42
|
50
|
56
|
65
|
54
|
31
|
30
|
34
|
56
|
71
|
51
|
45
|
57
|
115
|
69
|
21
|
32
|
42
|
42
|
50
|
|
|
2024/10
|
23
|
29
|
32
|
41
|
60
|
29
|
35
|
36
|
60
|
36
|
45
|
41
|
54
|
63
|
27
|
41
|
73
|
57
|
22
|
34
|
35
|
33
|
43
|
50
|
85
|
61
|
33
|
50
|
61
|
34
|
64
|
|
2024/09
|
25
|
30
|
29
|
35
|
22
|
32
|
23
|
27
|
42
|
24
|
41
|
36
|
40
|
14
|
31
|
35
|
29
|
39
|
46
|
12
|
19
|
29
|
29
|
41
|
34
|
35
|
43
|
56
|
37
|
20
|
|
|
2024/08
|
27
|
22
|
36
|
24
|
28
|
30
|
35
|
44
|
46
|
26
|
47
|
27
|
16
|
24
|
28
|
36
|
43
|
36
|
30
|
12
|
20
|
25
|
24
|
26
|
27
|
30
|
30
|
31
|
36
|
38
|
28
|
|
2024/07
|
47
|
55
|
36
|
34
|
49
|
73
|
31
|
57
|
58
|
63
|
68
|
79
|
62
|
45
|
37
|
34
|
39
|
40
|
42
|
46
|
64
|
40
|
35
|
32
|
26
|
18
|
25
|
34
|
48
|
45
|
26
|
|
2024/06
|
29
|
35
|
36
|
45
|
40
|
43
|
51
|
30
|
51
|
43
|
55
|
64
|
44
|
32
|
19
|
32
|
46
|
56
|
47
|
26
|
33
|
109
|
79
|
17
|
25
|
38
|
62
|
46
|
35
|
37
|
|
|
2024/05
|
40
|
45
|
51
|
49
|
62
|
60
|
53
|
56
|
66
|
70
|
73
|
37
|
39
|
45
|
31
|
43
|
61
|
62
|
31
|
24
|
42
|
65
|
49
|
32
|
46
|
44
|
28
|
41
|
57
|
43
|
19
|
|
2024/04
|
50
|
58
|
35
|
36
|
72
|
69
|
63
|
55
|
50
|
64
|
92
|
125
|
67
|
36
|
113
|
42
|
56
|
58
|
35
|
49
|
61
|
64
|
26
|
27
|
74
|
60
|
35
|
16
|
26
|
40
|
|
|
2024/03
|
29
|
53
|
42
|
64
|
41
|
39
|
53
|
31
|
63
|
123
|
90
|
47
|
60
|
61
|
53
|
181
|
63
|
52
|
23
|
26
|
63
|
76
|
70
|
24
|
36
|
64
|
110
|
228
|
82
|
55
|
57
|
|
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