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
15 Jul
Wed
16 Jul
Thu
17 Jul
Fri
18 Jul
Sat
19 Jul
Sun
20 Jul
Mon
21 Jul
城北区政府
6634
PM2.5
82 *
PM10
49
O3
0.8
CO
22
SO2
18
NO2
世纪职校
4525
PM2.5
45
PM10
71
O3
0.8
CO
12
SO2
8
NO2
师大城西校区
5928
PM2.5
68 *
PM10
60
O3
0.4
CO
15
SO2
16
NO2
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
|
|
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
|
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