Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
52
O3
0.3
CO
2
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Dec
42
Excellent
Sun
21 Dec
52
Good
Mon
22 Dec
88
Good
Tue
23 Dec
62
Good
Wed
24 Dec
52
Good
Thu
25 Dec
69
Good
Fri
26 Dec
24
Excellent
Air quality in the last 12 months (Miyun)
|
2025/11
|
22
|
18
|
53
|
76
|
194
|
139
|
76
|
55
|
22
|
34
|
68
|
103
|
24
|
51
|
62
|
22
|
18
|
35
|
40
|
32
|
39
|
47
|
75
|
49
|
31
|
59
|
25
|
65
|
85
|
72
|
|
|
2025/10
|
33
|
37
|
40
|
39
|
39
|
17
|
30
|
19
|
8
|
14
|
17
|
29
|
40
|
46
|
49
|
72
|
23
|
10
|
9
|
15
|
18
|
39
|
64
|
103
|
117
|
30
|
29
|
94
|
204
|
108
|
71
|
|
2025/09
|
16
|
37
|
45
|
52
|
49
|
19
|
22
|
20
|
44
|
28
|
52
|
60
|
54
|
20
|
10
|
15
|
12
|
15
|
26
|
26
|
42
|
40
|
30
|
60
|
28
|
34
|
42
|
35
|
25
|
26
|
|
|
2025/08
|
44
|
50
|
19
|
32
|
18
|
22
|
18
|
27
|
12
|
26
|
39
|
22
|
15
|
22
|
46
|
13
|
32
|
37
|
21
|
16
|
31
|
15
|
20
|
14
|
18
|
23
|
16
|
10
|
30
|
34
|
28
|
|
2025/07
|
29
|
31
|
23
|
37
|
16
|
10
|
25
|
38
|
38
|
33
|
44
|
44
|
12
|
25
|
40
|
21
|
15
|
27
|
47
|
14
|
19
|
37
|
38
|
23
|
23
|
40
|
32
|
13
|
9
|
15
|
24
|
|
2025/06
|
53
|
34
|
12
|
20
|
44
|
28
|
24
|
44
|
40
|
26
|
42
|
63
|
57
|
48
|
14
|
14
|
40
|
57
|
38
|
23
|
18
|
28
|
39
|
53
|
58
|
54
|
70
|
45
|
68
|
41
|
|
|
2025/05
|
25
|
24
|
19
|
31
|
44
|
19
|
72
|
92
|
19
|
37
|
52
|
63
|
64
|
22
|
39
|
70
|
34
|
34
|
45
|
79
|
73
|
58
|
39
|
25
|
46
|
47
|
21
|
45
|
64
|
68
|
52
|
|
2025/04
|
35
|
15
|
51
|
57
|
17
|
54
|
50
|
38
|
49
|
63
|
94
|
98
|
65
|
44
|
53
|
84
|
57
|
12
|
25
|
64
|
55
|
25
|
42
|
28
|
40
|
75
|
21
|
40
|
64
|
32
|
|
|
2025/03
|
152
|
57
|
40
|
53
|
57
|
22
|
62
|
100
|
131
|
127
|
187
|
62
|
67
|
70
|
44
|
17
|
19
|
20
|
24
|
26
|
33
|
45
|
105
|
62
|
37
|
83
|
45
|
25
|
24
|
40
|
57
|
|
2025/02
|
85
|
52
|
11
|
14
|
19
|
31
|
16
|
12
|
12
|
51
|
100
|
28
|
55
|
50
|
69
|
28
|
18
|
19
|
16
|
12
|
11
|
16
|
17
|
32
|
43
|
41
|
100
|
120
|
|||
|
2025/01
|
37
|
21
|
31
|
48
|
41
|
18
|
16
|
11
|
12
|
18
|
23
|
27
|
33
|
21
|
28
|
49
|
54
|
66
|
35
|
49
|
26
|
42
|
81
|
105
|
138
|
105
|
14
|
31
|
98
|
35
|
74
|
|
2024/12
|
47
|
14
|
36
|
24
|
26
|
17
|
11
|
25
|
29
|
30
|
27
|
56
|
20
|
28
|
33
|
31
|
10
|
17
|
43
|
45
|
12
|
18
|
24
|
59
|
59
|
20
|
17
|
37
|
66
|
49
|
41
|
|
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
Air quality source: CNEMC
*: primary pollution