Air Quality
Excellent
No health implications.
17
PM2.5
32
PM10
93
O3
0.3
CO
4
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 May
72
Good
Sun
25 May
87
Good
Mon
26 May
110
Light
Tue
27 May
127
Light
Wed
28 May
142
Light
Thu
29 May
115
Light
Fri
30 May
27
Excellent
Air quality in the last 12 months (Shunyi)
|
2025/04
|
38
|
17
|
61
|
60
|
18
|
66
|
53
|
35
|
53
|
80
|
111
|
106
|
80
|
50
|
53
|
93
|
57
|
17
|
33
|
68
|
73
|
28
|
50
|
29
|
51
|
84
|
29
|
56
|
62
|
44
|
|
|
2025/03
|
201
|
67
|
38
|
50
|
72
|
17
|
76
|
104
|
157
|
135
|
200
|
69
|
86
|
68
|
48
|
18
|
22
|
29
|
33
|
26
|
30
|
52
|
118
|
72
|
48
|
76
|
41
|
26
|
20
|
43
|
61
|
|
2025/02
|
77
|
55
|
8
|
15
|
22
|
40
|
23
|
13
|
14
|
61
|
116
|
23
|
73
|
55
|
80
|
27
|
16
|
22
|
14
|
16
|
13
|
15
|
15
|
35
|
44
|
47
|
102
|
131
|
|||
|
2025/01
|
41
|
20
|
35
|
51
|
43
|
15
|
15
|
15
|
13
|
17
|
23
|
26
|
43
|
21
|
29
|
49
|
62
|
69
|
35
|
52
|
34
|
55
|
88
|
114
|
158
|
106
|
19
|
20
|
83
|
40
|
72
|
|
2024/12
|
47
|
11
|
37
|
23
|
22
|
26
|
14
|
23
|
35
|
27
|
33
|
60
|
22
|
27
|
32
|
29
|
15
|
16
|
50
|
40
|
15
|
23
|
26
|
64
|
68
|
24
|
19
|
38
|
62
|
61
|
39
|
|
2024/11
|
129
|
115
|
60
|
9
|
39
|
47
|
92
|
150
|
153
|
119
|
67
|
79
|
65
|
51
|
70
|
40
|
26
|
43
|
57
|
63
|
27
|
36
|
50
|
89
|
48
|
8
|
15
|
16
|
26
|
40
|
|
|
2024/10
|
9
|
12
|
30
|
67
|
82
|
76
|
16
|
22
|
83
|
13
|
47
|
86
|
113
|
127
|
42
|
47
|
56
|
29
|
10
|
35
|
56
|
20
|
43
|
71
|
144
|
186
|
34
|
39
|
101
|
69
|
92
|
|
2024/09
|
19
|
12
|
38
|
57
|
17
|
18
|
18
|
23
|
59
|
11
|
18
|
22
|
31
|
23
|
27
|
33
|
20
|
37
|
52
|
28
|
6
|
12
|
37
|
57
|
37
|
26
|
48
|
48
|
61
|
8
|
|
|
2024/08
|
12
|
36
|
30
|
27
|
13
|
53
|
53
|
33
|
47
|
15
|
16
|
7
|
11
|
24
|
39
|
42
|
32
|
21
|
18
|
12
|
15
|
22
|
38
|
27
|
31
|
15
|
16
|
30
|
39
|
45
|
49
|
|
2024/07
|
25
|
32
|
30
|
56
|
85
|
38
|
34
|
33
|
60
|
69
|
78
|
34
|
53
|
78
|
60
|
42
|
16
|
25
|
46
|
29
|
46
|
23
|
58
|
52
|
22
|
18
|
27
|
26
|
43
|
10
|
22
|
|
2024/06
|
33
|
40
|
49
|
55
|
62
|
63
|
47
|
37
|
38
|
54
|
37
|
45
|
52
|
36
|
29
|
47
|
60
|
65
|
90
|
72
|
51
|
99
|
114
|
18
|
33
|
61
|
64
|
60
|
63
|
33
|
|
|
2024/05
|
45
|
62
|
58
|
68
|
95
|
56
|
50
|
72
|
70
|
110
|
161
|
38
|
49
|
57
|
30
|
60
|
67
|
76
|
67
|
26
|
40
|
88
|
67
|
36
|
24
|
18
|
38
|
53
|
65
|
37
|
12
|
|
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