Air Quality
Excellent
No health implications.
3
PM2.5
8
PM10
75
O3
0.2
CO
3
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Feb
68
Good
Mon
2 Feb
65
Good
Tue
3 Feb
91
Good
Wed
4 Feb
92
Good
Thu
5 Feb
63
Good
Fri
6 Feb
43
Excellent
Sat
7 Feb
16
Excellent
Air quality in the last 12 months (Miyun)
|
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
|
|
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
|
|
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