Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Only very few hypersensitive people should reduce outdoor activities.
Today
29 Mar
Sun
30 Mar
Mon
31 Mar
Tue
1 Apr
Wed
2 Apr
Thu
3 Apr
Fri
4 Apr
城北区政府
8431
PM2.5
117 *
PM10
52
O3
0.6
CO
7
SO2
31
NO2
世纪职校
8240
PM2.5
114 *
PM10
69
O3
0.7
CO
7
SO2
26
NO2
师大城西校区
9045
PM2.5
130 *
PM10
59
O3
0.6
CO
16
SO2
32
NO2
2025/02
|
64
|
56
|
47
|
52
|
42
|
53
|
51
|
60
|
65
|
55
|
73
|
72
|
72
|
62
|
51
|
55
|
56
|
55
|
71
|
65
|
72
|
70
|
60
|
57
|
53
|
50
|
60
|
55
|
|||
2025/01
|
81
|
60
|
71
|
66
|
56
|
70
|
73
|
97
|
91
|
55
|
59
|
51
|
51
|
64
|
67
|
61
|
71
|
59
|
58
|
57
|
77
|
69
|
87
|
88
|
80
|
58
|
59
|
74
|
150
|
59
|
47
|
2024/12
|
61
|
58
|
79
|
63
|
72
|
88
|
66
|
70
|
82
|
66
|
92
|
62
|
62
|
101
|
103
|
61
|
71
|
78
|
86
|
103
|
111
|
132
|
129
|
117
|
115
|
104
|
58
|
81
|
85
|
90
|
64
|
2024/11
|
58
|
50
|
61
|
55
|
57
|
67
|
56
|
53
|
72
|
67
|
64
|
60
|
59
|
77
|
91
|
52
|
55
|
56
|
74
|
76
|
77
|
73
|
84
|
44
|
37
|
72
|
52
|
54
|
84
|
94
|
|
2024/10
|
27
|
38
|
48
|
48
|
46
|
46
|
52
|
52
|
39
|
41
|
47
|
38
|
43
|
51
|
54
|
29
|
37
|
45
|
46
|
48
|
57
|
39
|
53
|
56
|
55
|
39
|
42
|
46
|
63
|
63
|
45
|
2024/09
|
41
|
40
|
38
|
17
|
17
|
22
|
25
|
46
|
19
|
26
|
27
|
30
|
17
|
29
|
41
|
23
|
28
|
36
|
42
|
21
|
26
|
39
|
33
|
46
|
47
|
38
|
63
|
55
|
25
|
19
|
|
2024/08
|
41
|
25
|
28
|
29
|
38
|
33
|
33
|
36
|
38
|
23
|
35
|
38
|
43
|
20
|
24
|
28
|
31
|
31
|
36
|
41
|
45
|
49
|
44
|
34
|
28
|
36
|
47
|
48
|
28
|
46
|
37
|
2024/07
|
22
|
29
|
27
|
35
|
42
|
52
|
52
|
40
|
49
|
50
|
46
|
45
|
43
|
29
|
45
|
42
|
34
|
35
|
29
|
42
|
168
|
49
|
44
|
63
|
52
|
58
|
48
|
27
|
24
|
33
|
31
|
2024/06
|
49
|
41
|
34
|
32
|
38
|
27
|
40
|
31
|
36
|
38
|
36
|
38
|
33
|
33
|
39
|
24
|
34
|
24
|
48
|
33
|
30
|
32
|
34
|
37
|
44
|
38
|
46
|
32
|
33
|
27
|
|
2024/05
|
43
|
37
|
42
|
36
|
56
|
61
|
59
|
55
|
51
|
48
|
26
|
37
|
42
|
45
|
168
|
78
|
73
|
60
|
65
|
43
|
53
|
55
|
65
|
119
|
42
|
44
|
44
|
34
|
19
|
30
|
41
|
2024/04
|
68
|
74
|
56
|
56
|
38
|
34
|
44
|
52
|
47
|
40
|
47
|
49
|
54
|
123
|
240
|
102
|
63
|
45
|
46
|
30
|
47
|
32
|
35
|
36
|
35
|
54
|
58
|
299
|
61
|
34
|
|
2024/03
|
65
|
69
|
67
|
83
|
63
|
69
|
77
|
87
|
74
|
57
|
47
|
57
|
58
|
60
|
113
|
190
|
75
|
88
|
59
|
56
|
55
|
68
|
80
|
39
|
45
|
45
|
55
|
42
|
42
|
141
|
83
|
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