No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Everyone can continue their outdoor activities normally.
Today
17 May
Mon
18 May
Tue
19 May
Wed
20 May
Thu
21 May
Fri
22 May
Sat
23 May
万寿西宫
106
PM2.5
6
PM10
30
O3
0.8
CO
3
SO2
17
NO2
东四
116
PM2.5
8
PM10
29
O3
0.5
CO
3
SO2
21
NO2
天坛
133
PM2.5
7
PM10
24
O3
0.8
CO
3
SO2
25
NO2
农展馆
126
PM2.5
7
PM10
20
O3
0.8
CO
1
SO2
24
NO2
官园
113
PM2.5
6
PM10
34
O3
0.7
CO
3
SO2
22
NO2
海淀区万柳
128
PM2.5
12
PM10
25
O3
0.7
CO
3
SO2
23
NO2
顺义新城
117
PM2.5
8
PM10
33
O3
0.7
CO
1
SO2
12
NO2
怀柔镇
149
PM2.5
11
PM10
42
O3
0.6
CO
1
SO2
8
NO2
昌平镇
1812
PM2.5
15
PM10
22
O3
0.8
CO
3
SO2
25
NO2
奥体中心
103
PM2.5
7
PM10
29
O3
0.6
CO
3
SO2
18
NO2
密云新城
138
PM2.5
11
PM10
40
O3
0.6
CO
1
SO2
8
NO2
门头沟三家店
133
PM2.5
6
PM10
40
O3
0.7
CO
2
SO2
13
NO2
房山燕山
213
PM2.5
6
PM10
66
O3
0.5
CO
1
SO2
13
NO2
大兴旧宫
153
PM2.5
6
PM10
21
O3
0.9
CO
3
SO2
29
NO2
延庆石河营
178
PM2.5
9
PM10
52
O3
0.7
CO
1
SO2
11
NO2
怀柔新城
149
PM2.5
11
PM10
42
O3
0.9
CO
3
SO2
7
NO2
丰台小屯
103
PM2.5
7
PM10
29
O3
0.6
CO
2
SO2
14
NO2
密云镇
128
PM2.5
10
PM10
33
O3
0.7
CO
3
SO2
13
NO2
延庆百泉
179
PM2.5
12
PM10
54
O3
0.7
CO
1
SO2
8
NO2
通州新华
106
PM2.5
7
PM10
31
O3
0.8
CO
3
SO2
14
NO2
八角北路9号
113
PM2.5
6
PM10
35
O3
0.9
CO
3
SO2
18
NO2
洳河巡河路
128
PM2.5
10
PM10
36
O3
0.7
CO
2
SO2
11
NO2
|
2026/04
|
45
|
79
|
97
|
58
|
41
|
26
|
33
|
76
|
62
|
46
|
50
|
75
|
80
|
80
|
100
|
98
|
60
|
102
|
76
|
89
|
67
|
64
|
61
|
64
|
65
|
51
|
35
|
34
|
27
|
49
|
|
|
2026/03
|
93
|
117
|
103
|
63
|
71
|
34
|
75
|
73
|
28
|
91
|
55
|
98
|
93
|
44
|
62
|
63
|
143
|
32
|
53
|
58
|
77
|
78
|
110
|
140
|
166
|
151
|
34
|
77
|
69
|
27
|
55
|
|
2026/02
|
40
|
25
|
64
|
84
|
36
|
16
|
16
|
31
|
80
|
81
|
36
|
65
|
76
|
67
|
20
|
26
|
70
|
31
|
57
|
76
|
152
|
36
|
33
|
65
|
104
|
78
|
39
|
73
|
|||
|
2026/01
|
28
|
37
|
50
|
56
|
42
|
41
|
26
|
54
|
76
|
30
|
31
|
53
|
33
|
61
|
96
|
51
|
27
|
37
|
16
|
20
|
23
|
35
|
44
|
41
|
39
|
61
|
34
|
62
|
73
|
111
|
84
|
|
2025/12
|
25
|
19
|
31
|
31
|
51
|
80
|
46
|
31
|
57
|
78
|
54
|
44
|
32
|
45
|
68
|
54
|
85
|
175
|
140
|
17
|
31
|
67
|
49
|
21
|
23
|
49
|
61
|
91
|
30
|
23
|
22
|
|
2025/11
|
27
|
17
|
57
|
72
|
162
|
159
|
75
|
57
|
27
|
41
|
72
|
85
|
24
|
55
|
70
|
24
|
16
|
26
|
47
|
29
|
55
|
60
|
82
|
50
|
32
|
66
|
29
|
67
|
90
|
87
|
|
|
2025/10
|
41
|
48
|
40
|
44
|
45
|
19
|
41
|
20
|
8
|
12
|
18
|
34
|
47
|
47
|
64
|
67
|
24
|
11
|
14
|
18
|
25
|
46
|
64
|
90
|
117
|
23
|
33
|
95
|
179
|
136
|
61
|
|
2025/09
|
20
|
39
|
44
|
52
|
47
|
22
|
28
|
27
|
50
|
38
|
53
|
59
|
50
|
26
|
20
|
19
|
15
|
20
|
30
|
36
|
44
|
32
|
40
|
49
|
37
|
44
|
51
|
37
|
31
|
35
|
|
|
2025/08
|
45
|
52
|
25
|
35
|
24
|
31
|
22
|
32
|
12
|
24
|
38
|
39
|
20
|
29
|
43
|
18
|
33
|
36
|
21
|
20
|
30
|
21
|
20
|
16
|
22
|
23
|
19
|
14
|
35
|
31
|
26
|
|
2025/07
|
32
|
33
|
22
|
33
|
19
|
11
|
33
|
35
|
42
|
27
|
48
|
47
|
16
|
35
|
45
|
32
|
12
|
33
|
56
|
18
|
24
|
39
|
35
|
25
|
24
|
43
|
37
|
23
|
8
|
14
|
32
|
|
2025/06
|
64
|
22
|
12
|
23
|
53
|
33
|
27
|
49
|
44
|
28
|
54
|
70
|
61
|
49
|
14
|
14
|
37
|
61
|
37
|
25
|
18
|
33
|
51
|
56
|
60
|
59
|
67
|
48
|
60
|
46
|
|
|
2025/05
|
31
|
36
|
21
|
45
|
52
|
26
|
71
|
94
|
28
|
41
|
55
|
69
|
78
|
28
|
45
|
66
|
47
|
41
|
52
|
89
|
74
|
63
|
47
|
35
|
53
|
54
|
42
|
54
|
65
|
67
|
73
|
|
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
|
*: primary pollution