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
9 Jul
Thu
10 Jul
Fri
11 Jul
Sat
12 Jul
Sun
13 Jul
Mon
14 Jul
Tue
15 Jul
Real-time AQI (Monitoring Station in Chaoyang)
八里堡
3523
PM2.5
34
PM10
110
O3
0.5
CO
4
SO2
8
NO2
农业园区
3414
PM2.5
28
PM10
108
O3
0.6
CO
4
SO2
5
NO2
Air quality in the last 12 months (Chaoyang)
|
2025/06
|
33
|
49
|
36
|
21
|
38
|
34
|
25
|
39
|
35
|
24
|
37
|
47
|
30
|
43
|
28
|
15
|
29
|
39
|
41
|
23
|
31
|
32
|
42
|
52
|
45
|
46
|
42
|
19
|
37
|
33
|
|
|
2025/05
|
56
|
37
|
36
|
30
|
41
|
37
|
52
|
65
|
32
|
41
|
51
|
75
|
69
|
48
|
46
|
53
|
33
|
31
|
48
|
63
|
56
|
72
|
36
|
50
|
41
|
49
|
68
|
95
|
45
|
76
|
53
|
|
2025/04
|
55
|
29
|
50
|
60
|
45
|
44
|
67
|
32
|
34
|
52
|
62
|
75
|
25
|
22
|
52
|
64
|
75
|
30
|
27
|
44
|
49
|
27
|
60
|
51
|
39
|
60
|
34
|
33
|
64
|
46
|
|
|
2025/03
|
159
|
44
|
43
|
56
|
69
|
35
|
64
|
70
|
133
|
122
|
113
|
70
|
44
|
46
|
43
|
41
|
50
|
29
|
54
|
60
|
50
|
59
|
71
|
55
|
93
|
127
|
58
|
42
|
32
|
35
|
49
|
|
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
|
|
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