East Anglia |
Norwich Lakenfields AURN |
µg/m³ |
76.8 |
73.8 |
71.7 |
68.4 |
64.3 |
59.1 |
53.7 |
51.1 |
50.1 |
50.5 |
50.8 |
50 |
50.2 |
56.1 |
62.5 |
66.1 |
68.8 |
70 |
71.8 |
71.6 |
71.3 |
71.1 |
71.1 |
69.9 |
East Anglia |
Weybourne AURN |
µg/m³ |
93.9 |
89.9 |
85.5 |
80.5 |
75.2 |
70.1 |
64.6 |
61.1 |
60.3 |
60.4 |
60.8 |
61.7 |
64.5 |
67.8 |
70.6 |
74.5 |
78.3 |
81.3 |
84.2 |
87.4 |
88.8 |
90 |
91.5 |
92 |
Midlands |
Leicester University AURN |
µg/m³ |
46.5 |
41 |
35.1 |
29.6 |
26.2 |
25 |
25.2 |
26 |
29.5 |
34.2 |
39 |
44.1 |
51 |
58.5 |
64.7 |
68.8 |
70.5 |
70.1 |
68.5 |
65.8 |
60.8 |
55.9 |
54.1 |
53.9 |
Midlands |
Stoke-on-Trent Centre AURN |
µg/m³ |
52.9 |
51.2 |
48.5 |
46.1 |
46.4 |
48.2 |
51.2 |
53.8 |
54.1 |
54.9 |
57.4 |
58.9 |
59.1 |
58.7 |
58.3 |
58.5 |
57.7 |
55.8 |
53.7 |
51.2 |
51 |
50.2 |
51.1 |
52.2 |
NE England |
Bradford Apperley Bridge Marina Zephyr |
µg/m³ |
58.2 |
53.6 |
50.7 |
49.7 |
47.9 |
46.5 |
45.6 |
45.6 |
47.4 |
49.2 |
50.3 |
51.4 |
53.4 |
55.6 |
60 |
64.4 |
66.5 |
68.2 |
69.3 |
70 |
70.4 |
68.3 |
63.9 |
56.3 |
NE England |
Bradford Cavendish Prim Sch Hall Rd Zephyr |
µg/m³ |
70.9 |
69.3 |
67.4 |
66.5 |
64.9 |
63.8 |
61.8 |
60.7 |
60.2 |
59.1 |
59.8 |
61.5 |
63.3 |
65.4 |
68.3 |
71.9 |
74.2 |
75.4 |
75.8 |
75.2 |
74.9 |
73.4 |
72.9 |
70.7 |
NE England |
Bradford East Bowling Flockton Grove Zephyr |
µg/m³ |
68.3 |
67.1 |
63.9 |
59.9 |
55.9 |
54.4 |
51.9 |
50.4 |
49.5 |
48.2 |
48 |
48 |
49.9 |
51.9 |
54.5 |
58.4 |
59.8 |
61.2 |
62.9 |
64.2 |
65 |
63.2 |
60.7 |
56.8 |
NE England |
Bradford Girlington St Leonards Road Zephyr |
µg/m³ |
62.6 |
61.3 |
61.2 |
61.3 |
61.4 |
63 |
63.2 |
62.6 |
60.4 |
59.1 |
59.4 |
59.9 |
60.5 |
61.5 |
62.8 |
65.1 |
66.8 |
67.5 |
66.5 |
66 |
65.6 |
64.1 |
62.4 |
61.1 |
NE England |
Bradford Gt Horton All Saints Prim Sch Zephyr |
µg/m³ |
63.4 |
61.5 |
58.7 |
58.1 |
56.5 |
56.1 |
55.3 |
55.2 |
55 |
54.7 |
55.6 |
56.7 |
59.1 |
60 |
58.4 |
60.2 |
60.9 |
61.3 |
61.6 |
61.5 |
60.9 |
60.3 |
62 |
59.3 |
NE England |
Bradford Horton Aberdeen Place Zephyr |
µg/m³ |
61.1 |
59.9 |
59.5 |
60.1 |
59 |
59.5 |
58.7 |
58 |
58.2 |
58.1 |
59.1 |
60.6 |
63.3 |
66.1 |
68.6 |
72.2 |
73 |
72.3 |
72.2 |
71.3 |
69.5 |
67.3 |
65.4 |
61 |
NE England |
Bradford Ilkley Grove Road Zephyr |
µg/m³ |
58.9 |
55.3 |
52.4 |
49.8 |
48 |
47.1 |
47.5 |
48.3 |
49.7 |
50.6 |
52.2 |
54.4 |
56.2 |
59.3 |
61.6 |
63.5 |
64.8 |
66.1 |
66.3 |
65.8 |
65.2 |
63.6 |
63.1 |
62.5 |
NE England |
Bradford Keighley Zephyr |
µg/m³ |
46.5 |
45 |
45.3 |
45.1 |
44.7 |
43.5 |
43.4 |
43.3 |
42.1 |
41.9 |
41.9 |
42 |
42.9 |
45 |
48.1 |
49.1 |
49.6 |
49.4 |
49.2 |
47.9 |
46.5 |
45.9 |
44.9 |
44.2 |
NE England |
Bradford Low Moor First Street Zephyr |
µg/m³ |
55.4 |
51.6 |
48.4 |
44.2 |
39.2 |
34.8 |
30.9 |
28.4 |
27.3 |
28.3 |
29.9 |
33.2 |
39.1 |
44.5 |
49.4 |
53.3 |
55.1 |
55.6 |
55.8 |
55.2 |
54 |
51.3 |
48.1 |
44.6 |
NE England |
Bradford Saltaire Titus Street Zephyr |
µg/m³ |
57.2 |
54.4 |
52.4 |
50.5 |
48.9 |
47.3 |
46.4 |
47.9 |
51.2 |
51.7 |
52.2 |
52.9 |
53.6 |
55.5 |
57.5 |
59.7 |
60.6 |
61.8 |
62.3 |
62.5 |
62.4 |
61.1 |
59.2 |
55.6 |
NE England |
Bradford Silsden Hothfield Street Zephyr |
µg/m³ |
47.1 |
43.9 |
41.8 |
39.7 |
38.8 |
38.1 |
38.3 |
40.3 |
42.1 |
43.7 |
45.6 |
48 |
49.7 |
52.4 |
55.1 |
56.2 |
56.9 |
57.1 |
56.4 |
55.7 |
54.7 |
53.9 |
51.1 |
48.9 |
NE England |
Hull Freetown AURN |
µg/m³ |
54.8 |
50.4 |
44.6 |
40.3 |
38.5 |
43 |
46.3 |
46.8 |
45.9 |
48.4 |
52.9 |
57.4 |
62.6 |
67.7 |
72.4 |
77.4 |
81.1 |
82.9 |
84.1 |
84.4 |
82.7 |
80.7 |
79.1 |
77.3 |
NE England |
Newcastle Centre AURN |
µg/m³ |
72.5 |
70.3 |
68.1 |
66.5 |
65.7 |
63.7 |
64.6 |
64.5 |
64.8 |
66.5 |
68.4 |
70.5 |
71.8 |
75.8 |
77 |
79.2 |
81.2 |
81.8 |
82.6 |
83.1 |
84 |
82 |
79.7 |
78.3 |
NE England |
Sunderland Silksworth AURN CLOSED |
µg/m³ |
76.1 |
74.2 |
73.3 |
74.8 |
72.6 |
69.8 |
69.8 |
69.8 |
70.8 |
73.2 |
75.2 |
77.7 |
80.8 |
85.2 |
87.3 |
90.3 |
93 |
93.9 |
94.7 |
95.3 |
95.6 |
95.5 |
95.7 |
91.6 |
NIRE |
Belfast Centre AURN |
µg/m³ |
57.2 |
59.3 |
61.3 |
61.3 |
61.2 |
60.9 |
59.2 |
57.2 |
56.1 |
57.6 |
58 |
58.4 |
58 |
58.8 |
60.7 |
61.3 |
61.2 |
59 |
57.5 |
55.9 |
56.1 |
54.5 |
53.8 |
54.1 |
NW England |
Liverpool Speke AURN |
µg/m³ |
70.7 |
65.9 |
61.3 |
58.5 |
58.6 |
59.7 |
60.3 |
60.6 |
61.6 |
64.5 |
67.9 |
71 |
73.1 |
74.8 |
75.7 |
77.8 |
79.2 |
80.6 |
80.5 |
78.8 |
76.1 |
73.2 |
69.8 |
65.4 |
NW England |
Nottingham Kenmore Gardens AURN |
µg/m³ |
37 |
28 |
21 |
16 |
17 |
22 |
25 |
28 |
34 |
39 |
44 |
50 |
57 |
60 |
66 |
71 |
73 |
74 |
73 |
70 |
67 |
67 |
68 |
69 |
NW England |
Preston AURN |
µg/m³ |
67.2 |
64.4 |
62.9 |
62.9 |
63.4 |
65.5 |
67.5 |
68.6 |
69.9 |
71.7 |
72.3 |
71.9 |
72.2 |
71.6 |
70.6 |
71.5 |
71.7 |
70.6 |
68.9 |
66.6 |
66.1 |
65.8 |
65.6 |
63.8 |
NW England |
Wirral Tranmere AURN |
µg/m³ |
79.3 |
76.4 |
74 |
71.8 |
71.8 |
73.7 |
75.1 |
75.4 |
76.7 |
78 |
79.9 |
81.7 |
83.4 |
83.4 |
83.6 |
85.2 |
86.3 |
86.9 |
87 |
85.6 |
83 |
80.9 |
78.5 |
75.9 |
SE England |
Canterbury AURN |
µg/m³ |
74.6 |
71.6 |
68.6 |
64 |
59.1 |
52.2 |
50.2 |
51.4 |
53.3 |
55.9 |
58.8 |
63.2 |
68.6 |
75 |
77.3 |
77.9 |
77.8 |
77.3 |
75.4 |
73.1 |
71.5 |
69.8 |
67 |
62.9 |
SE England |
Portsmouth AURN |
µg/m³ |
62.5 |
56.6 |
51.1 |
45.6 |
40.5 |
37.8 |
40.6 |
42.4 |
44 |
47.6 |
51.8 |
56.8 |
63.2 |
69 |
72.8 |
76.8 |
79.3 |
79.4 |
78 |
75.2 |
70.2 |
64.4 |
57.6 |
52.9 |
SE England |
Reading New Town AURN |
µg/m³ |
37.6 |
29 |
20.8 |
15.4 |
11.9 |
10.8 |
10.7 |
13.6 |
19.7 |
26.2 |
34 |
40.3 |
47.9 |
54.5 |
59.7 |
62.1 |
61.4 |
58.4 |
52.8 |
46.5 |
40 |
35.4 |
32.6 |
29.9 |
SE England |
Rochester Stoke AURN |
µg/m³ |
65.6 |
60.1 |
54.5 |
49.4 |
44.3 |
40.6 |
40.4 |
44.7 |
49 |
52.8 |
57.6 |
62.3 |
66.5 |
70.1 |
72.7 |
73.6 |
73.3 |
73.1 |
72.6 |
71.1 |
69.2 |
67.1 |
64.4 |
61.6 |
SE England |
Southampton Centre AURN |
µg/m³ |
42.3 |
32.6 |
23.9 |
18.3 |
15.2 |
12.4 |
10.3 |
15 |
22.3 |
30.7 |
38 |
44.5 |
52.2 |
58.9 |
62.8 |
64.9 |
63.3 |
60.2 |
56.2 |
53.5 |
50.2 |
47 |
44.1 |
41.3 |
SE England |
Thurrock AURN |
µg/m³ |
61.8 |
56.7 |
51.7 |
43.9 |
39.3 |
37.6 |
37.3 |
40.3 |
44.5 |
49.4 |
54.7 |
61.9 |
67.8 |
71 |
73.5 |
72.5 |
70.2 |
66.1 |
63.1 |
61.4 |
59.7 |
56.8 |
53.7 |
48.9 |
SW England |
Bristol St Paul's AURN |
µg/m³ |
50.5 |
41.2 |
32.2 |
27.8 |
29.1 |
34.4 |
34.6 |
34.6 |
40.8 |
48.1 |
55.2 |
60.8 |
63.6 |
63.9 |
67.2 |
69.9 |
69.6 |
69 |
68.6 |
65.9 |
64.2 |
61.9 |
58.1 |
56.6 |
SW England |
South Glos Coldharbour Lane A4174 |
µg/m³ |
44.5 |
42 |
40.7 |
41.8 |
45.6 |
47.3 |
46.3 |
42.9 |
44.2 |
46.9 |
50.1 |
53.6 |
56 |
59 |
61.8 |
66.6 |
67.1 |
65.9 |
63.6 |
61.4 |
57.5 |
53.1 |
51.5 |
49.7 |