Air Quality
Excellent
No health implications.
11
PM2.5
31
PM10
14
O3
0.3
CO
2
SO2
40
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Mar
59
Good
Fri
20 Mar
78
Good
Sat
21 Mar
112
Light
Sun
22 Mar
57
Good
Mon
23 Mar
58
Good
Tue
24 Mar
35
Excellent
Wed
25 Mar
32
Excellent
Air quality in the last 12 months (Miyun)
|
2026/02
|
23
|
18
|
52
|
83
|
35
|
11
|
12
|
21
|
80
|
86
|
25
|
57
|
61
|
55
|
11
|
27
|
89
|
35
|
52
|
81
|
153
|
30
|
29
|
64
|
103
|
63
|
40
|
82
|
|||
|
2026/01
|
19
|
19
|
35
|
41
|
23
|
33
|
22
|
46
|
71
|
18
|
28
|
44
|
23
|
57
|
84
|
56
|
21
|
34
|
12
|
20
|
18
|
24
|
26
|
23
|
28
|
50
|
27
|
51
|
67
|
99
|
65
|
|
2025/12
|
22
|
19
|
24
|
33
|
47
|
76
|
46
|
29
|
49
|
68
|
32
|
39
|
34
|
36
|
60
|
42
|
57
|
171
|
167
|
18
|
29
|
66
|
65
|
20
|
20
|
43
|
56
|
103
|
50
|
20
|
23
|
|
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
|
|
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