Air Quality
Excellent
No health implications.
3
PM2.5
9
PM10
59
O3
0.6
CO
4
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Sep
63
Good
Tue
16 Sep
50
Excellent
Wed
17 Sep
49
Excellent
Thu
18 Sep
58
Good
Fri
19 Sep
59
Good
Sat
20 Sep
60
Good
Sun
21 Sep
23
Excellent
Air quality in the last 12 months (Miyun)
|
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
|
|
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
|
|
|
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