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
16 May
Sun
17 May
Mon
18 May
Tue
19 May
Wed
20 May
Thu
21 May
Fri
22 May
Real-time AQI (Monitoring Station in Chaoyang)
西梁
4124
PM2.5
31
PM10
129
O3
0.5
CO
10
SO2
12
NO2
河畔小区
4217
PM2.5
28
PM10
133
O3
0.3
CO
9
SO2
10
NO2
八里堡
5017
PM2.5
50
PM10
133
O3
0.4
CO
8
SO2
10
NO2
Air quality in the last 12 months (Chaoyang)
|
2026/04
|
49
|
59
|
100
|
33
|
41
|
29
|
28
|
56
|
42
|
36
|
66
|
53
|
31
|
49
|
64
|
78
|
59
|
84
|
81
|
204
|
51
|
41
|
52
|
60
|
61
|
35
|
35
|
28
|
32
|
44
|
|
|
2026/03
|
46
|
74
|
149
|
51
|
40
|
27
|
36
|
51
|
30
|
64
|
72
|
57
|
88
|
32
|
57
|
41
|
74
|
38
|
43
|
42
|
82
|
155
|
111
|
111
|
108
|
67
|
41
|
70
|
47
|
37
|
50
|
|
2026/02
|
66
|
39
|
48
|
57
|
69
|
30
|
51
|
36
|
59
|
80
|
57
|
95
|
111
|
96
|
54
|
103
|
154
|
24
|
61
|
78
|
175
|
68
|
32
|
58
|
80
|
47
|
41
|
34
|
|||
|
2026/01
|
69
|
77
|
97
|
91
|
56
|
48
|
41
|
55
|
77
|
37
|
26
|
51
|
28
|
98
|
63
|
35
|
33
|
33
|
36
|
48
|
55
|
59
|
60
|
55
|
39
|
66
|
31
|
49
|
58
|
57
|
81
|
|
2025/12
|
33
|
25
|
37
|
57
|
46
|
79
|
66
|
45
|
53
|
72
|
33
|
62
|
91
|
71
|
81
|
64
|
73
|
119
|
103
|
29
|
33
|
59
|
57
|
42
|
38
|
54
|
80
|
77
|
42
|
44
|
40
|
|
2025/11
|
59
|
25
|
53
|
57
|
107
|
50
|
48
|
46
|
40
|
39
|
42
|
79
|
40
|
72
|
88
|
55
|
34
|
50
|
49
|
34
|
54
|
52
|
86
|
110
|
27
|
48
|
35
|
73
|
73
|
47
|
|
|
2025/10
|
49
|
56
|
50
|
38
|
26
|
18
|
33
|
18
|
21
|
32
|
47
|
31
|
42
|
62
|
52
|
28
|
31
|
18
|
27
|
27
|
42
|
49
|
48
|
59
|
75
|
45
|
39
|
48
|
106
|
56
|
61
|
|
2025/09
|
38
|
35
|
44
|
57
|
57
|
39
|
30
|
27
|
36
|
32
|
47
|
41
|
38
|
35
|
27
|
28
|
25
|
31
|
39
|
38
|
36
|
33
|
33
|
33
|
35
|
43
|
61
|
53
|
40
|
48
|
|
|
2025/08
|
38
|
47
|
35
|
20
|
22
|
22
|
23
|
29
|
25
|
33
|
37
|
38
|
25
|
30
|
39
|
30
|
21
|
34
|
37
|
28
|
32
|
23
|
37
|
19
|
24
|
29
|
30
|
14
|
34
|
42
|
41
|
|
2025/07
|
36
|
31
|
24
|
33
|
42
|
23
|
31
|
37
|
36
|
33
|
34
|
39
|
22
|
30
|
32
|
24
|
20
|
23
|
35
|
23
|
23
|
32
|
29
|
26
|
33
|
37
|
35
|
25
|
21
|
19
|
30
|
|
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
|
|
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