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
20 Apr
Sun
21 Apr
Mon
22 Apr
Tue
23 Apr
Wed
24 Apr
Thu
25 Apr
Fri
26 Apr
Real-time AQI (Monitoring Station in Chaoyang)
西梁
4330
PM2.5
42
PM10
122
O3
0.5
CO
10
SO2
13
NO2
河畔小区
4934
PM2.5
47
PM10
125
O3
0.5
CO
12
SO2
12
NO2
八里堡
5231
PM2.5
53 *
PM10
118
O3
0.8
CO
11
SO2
18
NO2
农业园区
5334
PM2.5
55 *
PM10
121
O3
0.5
CO
8
SO2
14
NO2
Air quality in the last 12 months (Chaoyang)
|
2024/02
|
38
|
69
|
72
|
62
|
39
|
67
|
96
|
82
|
111
|
265
|
56
|
85
|
114
|
35
|
44
|
69
|
69
|
54
|
37
|
25
|
26
|
28
|
42
|
128
|
154
|
50
|
85
|
61
|
50
|
||
|
2024/01
|
80
|
126
|
89
|
56
|
45
|
46
|
31
|
60
|
81
|
54
|
52
|
62
|
54
|
56
|
63
|
76
|
59
|
27
|
36
|
26
|
30
|
27
|
41
|
47
|
77
|
72
|
70
|
76
|
45
|
88
|
41
|
|
2023/12
|
36
|
62
|
59
|
70
|
77
|
46
|
87
|
123
|
34
|
27
|
25
|
44
|
44
|
61
|
66
|
30
|
42
|
100
|
71
|
30
|
30
|
41
|
74
|
80
|
65
|
48
|
95
|
96
|
105
|
166
|
39
|
|
2023/11
|
46
|
102
|
27
|
64
|
98
|
40
|
42
|
69
|
27
|
23
|
30
|
32
|
49
|
72
|
79
|
41
|
30
|
35
|
51
|
56
|
111
|
79
|
38
|
27
|
46
|
45
|
50
|
32
|
32
|
33
|
|
|
2023/10
|
39
|
42
|
43
|
40
|
41
|
44
|
45
|
46
|
37
|
54
|
58
|
65
|
66
|
39
|
45
|
42
|
53
|
43
|
36
|
30
|
41
|
34
|
70
|
91
|
80
|
40
|
57
|
67
|
171
|
79
|
74
|
|
2023/09
|
34
|
42
|
45
|
71
|
65
|
52
|
70
|
68
|
40
|
34
|
33
|
37
|
38
|
51
|
49
|
64
|
55
|
34
|
28
|
35
|
39
|
31
|
34
|
47
|
43
|
40
|
56
|
44
|
50
|
30
|
|
|
2023/08
|
37
|
40
|
49
|
55
|
26
|
21
|
24
|
41
|
41
|
31
|
23
|
24
|
30
|
37
|
48
|
50
|
54
|
56
|
60
|
58
|
53
|
31
|
37
|
37
|
25
|
25
|
33
|
30
|
26
|
35
|
28
|
|
2023/07
|
71
|
75
|
42
|
31
|
53
|
53
|
52
|
41
|
38
|
38
|
39
|
81
|
36
|
31
|
30
|
25
|
43
|
69
|
78
|
97
|
57
|
33
|
28
|
35
|
37
|
59
|
54
|
38
|
30
|
17
|
35
|
|
2023/06
|
66
|
36
|
34
|
42
|
39
|
39
|
63
|
46
|
33
|
28
|
34
|
34
|
41
|
55
|
72
|
87
|
103
|
56
|
56
|
36
|
35
|
56
|
74
|
91
|
49
|
37
|
78
|
62
|
45
|
64
|
|
|
2023/05
|
49
|
76
|
62
|
45
|
36
|
40
|
47
|
44
|
42
|
52
|
70
|
57
|
39
|
48
|
75
|
89
|
35
|
42
|
49
|
357
|
79
|
50
|
44
|
70
|
57
|
70
|
70
|
49
|
41
|
38
|
52
|
|
2023/04
|
84
|
62
|
54
|
48
|
49
|
62
|
47
|
59
|
75
|
192
|
325
|
180
|
302
|
116
|
203
|
58
|
70
|
60
|
81
|
68
|
61
|
64
|
45
|
61
|
42
|
51
|
90
|
54
|
37
|
45
|
|
|
2023/03
|
59
|
59
|
90
|
205
|
166
|
118
|
107
|
43
|
105
|
191
|
40
|
47
|
68
|
163
|
89
|
49
|
71
|
75
|
71
|
114
|
128
|
275
|
131
|
43
|
56
|
54
|
66
|
72
|
108
|
91
|
92
|
|
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