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
18 Oct
Sun
19 Oct
Mon
20 Oct
Tue
21 Oct
Wed
22 Oct
Thu
23 Oct
Fri
24 Oct
城北区政府
6546
PM2.5
80 *
PM10
2
O3
0.6
CO
6
SO2
37
NO2
世纪职校
5740 *
PM2.5
43
PM10
25
O3
0.6
CO
9
SO2
22
NO2
师大城西校区
9251
PM2.5
133 *
PM10
4
O3
1.2
CO
13
SO2
38
NO2
2025/08
|
55
|
40
|
41
|
19
|
21
|
28
|
36
|
20
|
30
|
31
|
34
|
29
|
36
|
34
|
34
|
39
|
45
|
43
|
33
|
57
|
17
|
23
|
27
|
34
|
39
|
28
|
16
|
18
|
23
|
32
|
40
|
2025/07
|
33
|
34
|
38
|
22
|
29
|
34
|
44
|
42
|
43
|
44
|
42
|
38
|
38
|
41
|
56
|
27
|
23
|
36
|
35
|
21
|
30
|
37
|
46
|
35
|
28
|
33
|
41
|
32
|
33
|
37
|
84
|
2025/06
|
36
|
39
|
38
|
33
|
42
|
47
|
45
|
40
|
33
|
34
|
34
|
40
|
39
|
34
|
38
|
35
|
50
|
49
|
35
|
35
|
31
|
30
|
32
|
24
|
32
|
34
|
29
|
34
|
23
|
34
|
|
2025/05
|
43
|
81
|
188
|
76
|
67
|
122
|
124
|
57
|
45
|
36
|
46
|
47
|
56
|
33
|
41
|
43
|
68
|
38
|
47
|
46
|
48
|
54
|
50
|
32
|
32
|
47
|
40
|
44
|
76
|
63
|
71
|
2025/04
|
119
|
112
|
103
|
144
|
104
|
72
|
102
|
72
|
74
|
55
|
70
|
36
|
44
|
52
|
62
|
105
|
79
|
94
|
103
|
110
|
77
|
77
|
44
|
52
|
55
|
45
|
32
|
46
|
44
|
41
|
|
2025/03
|
76
|
57
|
66
|
66
|
56
|
74
|
73
|
56
|
56
|
59
|
207
|
144
|
100
|
49
|
59
|
49
|
49
|
47
|
55
|
61
|
61
|
69
|
58
|
55
|
46
|
367
|
106
|
60
|
75
|
124
|
91
|
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
|
|
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