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
17 May
Sun
18 May
Mon
19 May
Tue
20 May
Wed
21 May
Thu
22 May
Fri
23 May
Real-time AQI (Monitoring Station in Chaoyang)
西梁
4711
PM2.5
47
PM10
89
O3
0.2
CO
4
SO2
9
NO2
河畔小区
4115
PM2.5
41
PM10
92
O3
0.2
CO
8
SO2
8
NO2
八里堡
3713
PM2.5
37
PM10
88
O3
0.3
CO
5
SO2
10
NO2
农业园区
4617
PM2.5
46
PM10
93
O3
0.3
CO
6
SO2
7
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