Air Quality
Excellent
No health implications.
6
PM2.5
19
PM10
76
O3
0.2
CO
4
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Mar
150
Light
Thu
13 Mar
78
Good
Fri
14 Mar
77
Good
Sat
15 Mar
52
Good
Sun
16 Mar
55
Good
Mon
17 Mar
60
Good
Tue
18 Mar
31
Excellent
Air quality in the last 12 months (Miyun)
|
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
|
|
2024/11
|
106
|
110
|
74
|
13
|
32
|
42
|
87
|
143
|
132
|
98
|
63
|
56
|
64
|
49
|
64
|
34
|
21
|
32
|
57
|
60
|
28
|
31
|
48
|
83
|
49
|
7
|
11
|
18
|
27
|
35
|
|
|
2024/10
|
10
|
16
|
23
|
57
|
73
|
60
|
12
|
18
|
65
|
18
|
44
|
76
|
105
|
143
|
31
|
36
|
48
|
23
|
11
|
27
|
52
|
18
|
39
|
65
|
125
|
161
|
29
|
34
|
88
|
50
|
87
|
|
2024/09
|
16
|
14
|
27
|
50
|
15
|
13
|
12
|
21
|
44
|
10
|
17
|
22
|
24
|
22
|
19
|
22
|
15
|
28
|
44
|
17
|
7
|
13
|
30
|
50
|
29
|
23
|
40
|
38
|
60
|
8
|
|
|
2024/08
|
11
|
30
|
31
|
26
|
15
|
36
|
50
|
27
|
40
|
25
|
23
|
7
|
13
|
22
|
37
|
35
|
36
|
19
|
16
|
12
|
15
|
18
|
26
|
26
|
26
|
13
|
20
|
27
|
35
|
41
|
40
|
|
2024/07
|
20
|
32
|
25
|
45
|
72
|
46
|
29
|
39
|
60
|
68
|
75
|
31
|
48
|
60
|
62
|
45
|
17
|
21
|
36
|
25
|
46
|
23
|
61
|
51
|
19
|
14
|
30
|
25
|
43
|
13
|
22
|
|
2024/06
|
24
|
30
|
49
|
58
|
59
|
57
|
43
|
30
|
36
|
52
|
38
|
46
|
51
|
39
|
21
|
42
|
57
|
51
|
86
|
66
|
45
|
115
|
160
|
17
|
24
|
50
|
63
|
60
|
58
|
38
|
|
|
2024/05
|
33
|
55
|
54
|
62
|
82
|
49
|
40
|
58
|
67
|
107
|
158
|
37
|
38
|
48
|
27
|
49
|
59
|
72
|
79
|
23
|
42
|
76
|
73
|
32
|
24
|
19
|
36
|
44
|
62
|
33
|
11
|
|
2024/04
|
85
|
84
|
66
|
71
|
65
|
71
|
44
|
77
|
61
|
58
|
105
|
131
|
78
|
58
|
68
|
47
|
70
|
71
|
65
|
32
|
64
|
70
|
17
|
43
|
85
|
95
|
74
|
23
|
13
|
21
|
|
|
2024/03
|
29
|
50
|
31
|
56
|
83
|
31
|
31
|
15
|
45
|
105
|
67
|
22
|
55
|
49
|
109
|
113
|
32
|
116
|
70
|
40
|
72
|
49
|
61
|
99
|
81
|
104
|
129
|
156
|
87
|
41
|
76
|
|
2024/02
|
24
|
46
|
63
|
80
|
84
|
47
|
28
|
29
|
35
|
52
|
71
|
114
|
174
|
74
|
23
|
68
|
97
|
92
|
24
|
23
|
22
|
24
|
28
|
55
|
51
|
56
|
68
|
67
|
27
|
||
|
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