Air Quality
Excellent
No health implications.
8
PM2.5
29
PM10
64
O3
0.3
CO
2
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Apr
47
Excellent
Wed
29 Apr
61
Good
Thu
30 Apr
88
Good
Fri
1 May
63
Good
Sat
2 May
73
Good
Sun
3 May
75
Good
Mon
4 May
24
Excellent
Air quality in the last 12 months (Miyun)
|
2026/03
|
98
|
107
|
92
|
41
|
68
|
32
|
64
|
69
|
26
|
95
|
47
|
95
|
87
|
35
|
59
|
65
|
132
|
30
|
44
|
52
|
76
|
88
|
106
|
124
|
142
|
109
|
31
|
68
|
62
|
29
|
52
|
|
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
|
|
|
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