No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Everyone can continue their outdoor activities normally.
Today
21 May
Thu
22 May
Fri
23 May
Sat
24 May
Sun
25 May
Mon
26 May
Tue
27 May
北京南路
4424
PM2.5
44
PM10
26
O3
1.0
CO
12
SO2
27
NO2
市监测站
3624
PM2.5
36
PM10
35
O3
0.6
CO
10
SO2
26
NO2
楚州区监测站
3221
PM2.5
32
PM10
22
O3
0.8
CO
6
SO2
20
NO2
新华书店
3222
PM2.5
26
PM10
30
O3
0.6
CO
10
SO2
21
NO2
承德北路606号
3620
PM2.5
36
PM10
35
O3
0.7
CO
10
SO2
21
NO2
2025/04
|
57
|
54
|
43
|
71
|
67
|
61
|
67
|
79
|
85
|
70
|
92
|
151
|
78
|
62
|
51
|
60
|
67
|
80
|
94
|
50
|
52
|
56
|
70
|
80
|
57
|
51
|
52
|
51
|
54
|
62
|
|
2025/03
|
107
|
49
|
40
|
45
|
77
|
62
|
73
|
104
|
96
|
70
|
117
|
132
|
94
|
54
|
44
|
45
|
50
|
44
|
45
|
64
|
57
|
58
|
70
|
103
|
101
|
88
|
116
|
103
|
81
|
52
|
51
|
2025/02
|
52
|
92
|
99
|
62
|
61
|
46
|
58
|
37
|
54
|
70
|
84
|
109
|
54
|
79
|
112
|
114
|
48
|
49
|
47
|
39
|
41
|
60
|
54
|
59
|
83
|
116
|
152
|
149
|
|||
2025/01
|
82
|
111
|
64
|
73
|
140
|
95
|
55
|
71
|
46
|
55
|
73
|
107
|
101
|
130
|
67
|
69
|
104
|
114
|
156
|
177
|
160
|
87
|
47
|
38
|
40
|
94
|
55
|
63
|
109
|
102
|
97
|
2024/12
|
80
|
101
|
59
|
80
|
143
|
192
|
130
|
48
|
62
|
82
|
69
|
54
|
94
|
65
|
76
|
91
|
133
|
59
|
64
|
91
|
97
|
59
|
73
|
100
|
125
|
106
|
70
|
69
|
69
|
98
|
83
|
2024/11
|
52
|
93
|
115
|
81
|
49
|
53
|
41
|
42
|
46
|
53
|
71
|
98
|
101
|
77
|
74
|
56
|
38
|
33
|
28
|
46
|
84
|
83
|
37
|
38
|
29
|
47
|
67
|
63
|
59
|
64
|
|
2024/10
|
29
|
35
|
41
|
38
|
35
|
37
|
28
|
47
|
49
|
65
|
87
|
94
|
51
|
75
|
94
|
68
|
30
|
22
|
38
|
42
|
46
|
63
|
53
|
49
|
55
|
42
|
73
|
59
|
53
|
65
|
52
|
2024/09
|
41
|
37
|
31
|
27
|
45
|
35
|
27
|
24
|
22
|
24
|
19
|
17
|
37
|
36
|
32
|
32
|
17
|
19
|
20
|
15
|
29
|
34
|
33
|
40
|
40
|
37
|
43
|
27
|
32
|
34
|
|
2024/08
|
22
|
21
|
28
|
36
|
31
|
27
|
22
|
24
|
37
|
40
|
95
|
62
|
47
|
29
|
25
|
23
|
25
|
25
|
22
|
14
|
34
|
43
|
45
|
49
|
32
|
36
|
22
|
22
|
25
|
31
|
28
|
2024/07
|
28
|
19
|
36
|
18
|
22
|
30
|
27
|
28
|
24
|
60
|
59
|
48
|
17
|
20
|
16
|
45
|
37
|
15
|
24
|
23
|
25
|
32
|
38
|
42
|
22
|
22
|
22
|
22
|
27
|
38
|
31
|
2024/06
|
32
|
42
|
56
|
43
|
42
|
43
|
41
|
59
|
61
|
53
|
47
|
62
|
53
|
66
|
50
|
57
|
34
|
42
|
38
|
30
|
39
|
25
|
45
|
74
|
70
|
48
|
40
|
32
|
15
|
32
|
|
2024/05
|
40
|
39
|
35
|
40
|
34
|
70
|
76
|
47
|
46
|
52
|
90
|
143
|
103
|
79
|
63
|
44
|
56
|
61
|
44
|
40
|
26
|
27
|
55
|
44
|
33
|
54
|
31
|
39
|
40
|
41
|
58
|
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