East Anglia |
Norwich Lakenfields AURN |
µg/m³ |
71.7 |
71.7 |
73.2 |
74.8 |
76.9 |
77.8 |
79.1 |
80.1 |
81.9 |
83 |
82.2 |
82.6 |
83.5 |
84.7 |
85.2 |
85.2 |
85.5 |
85.1 |
83.9 |
83.8 |
83 |
82.2 |
80.9 |
79.7 |
East Anglia |
Weybourne AURN |
µg/m³ |
87.8 |
89.6 |
91 |
92.3 |
93.6 |
94.8 |
95.7 |
96.1 |
95.7 |
95.4 |
95 |
94.5 |
93.9 |
93.1 |
92.8 |
92.8 |
93.2 |
93.6 |
94.5 |
95.5 |
96.7 |
97.9 |
99 |
97.8 |
Midlands |
Leicester University AURN |
µg/m³ |
57.6 |
57.5 |
58.4 |
60.1 |
61.2 |
66.2 |
68.5 |
69.9 |
72.2 |
73.7 |
74.7 |
75.2 |
76.5 |
77.9 |
80.1 |
80.9 |
80.5 |
80.1 |
79.6 |
78.5 |
74.7 |
67.9 |
59.6 |
52.8 |
Midlands |
Stoke-on-Trent Centre AURN |
µg/m³ |
59.7 |
60 |
59.7 |
58 |
58.7 |
59.7 |
57.6 |
58 |
60.8 |
62.9 |
65.5 |
68.9 |
70 |
70.2 |
73 |
74.7 |
75.4 |
74.7 |
73.6 |
72.8 |
70.1 |
66.9 |
61.6 |
56.4 |
NE England |
Bradford Apperley Bridge Marina Zephyr |
µg/m³ |
62.3 |
60.5 |
59.5 |
59.2 |
59.5 |
60.1 |
59.6 |
59.6 |
60.3 |
61.5 |
63.4 |
65.3 |
67.3 |
69.5 |
72.2 |
74.6 |
76.6 |
77.6 |
77.3 |
74.9 |
72.6 |
70.3 |
66.6 |
63.2 |
NE England |
Bradford Cavendish Prim Sch Hall Rd Zephyr |
µg/m³ |
69.2 |
69.1 |
69 |
69.9 |
70.7 |
70.6 |
70.5 |
70.4 |
71.2 |
72.4 |
73.9 |
75.8 |
77.6 |
80.1 |
82.1 |
84.1 |
85.4 |
85.8 |
85 |
82.2 |
80.4 |
78.4 |
76.1 |
73.5 |
NE England |
Bradford East Bowling Flockton Grove Zephyr |
µg/m³ |
60 |
59 |
58.4 |
58.1 |
58.3 |
56.8 |
54.5 |
52.2 |
51.9 |
52.1 |
52.9 |
55.4 |
57.6 |
61.3 |
65.3 |
69.2 |
71.4 |
72.3 |
74.1 |
74.6 |
74.6 |
73.2 |
72 |
70.3 |
NE England |
Bradford Girlington St Leonards Road Zephyr |
µg/m³ |
61.8 |
61.9 |
62.7 |
64 |
65.2 |
65.5 |
63.7 |
61.6 |
61.7 |
62.3 |
63.5 |
65.8 |
68.2 |
70.6 |
74 |
77.3 |
78.4 |
78.6 |
76.9 |
73.7 |
71.5 |
67.6 |
65.3 |
63.5 |
NE England |
Bradford Gt Horton All Saints Prim Sch Zephyr |
µg/m³ |
59 |
58.3 |
59.4 |
60.6 |
60.4 |
60 |
59.1 |
57.7 |
58.2 |
59.6 |
62.4 |
65.1 |
68.3 |
70.4 |
70.1 |
72.5 |
74.5 |
75.3 |
74.7 |
71.3 |
68.9 |
66.9 |
68.4 |
66.1 |
NE England |
Bradford Horton Aberdeen Place Zephyr |
µg/m³ |
65.7 |
64.8 |
64.1 |
64.8 |
65.4 |
66 |
65 |
64 |
65.1 |
66.7 |
69.8 |
72.5 |
75.5 |
78.5 |
81.6 |
84.7 |
85.9 |
85.6 |
82.2 |
77.8 |
74.8 |
70.5 |
67.5 |
64.1 |
NE England |
Bradford Ilkley Grove Road Zephyr |
µg/m³ |
58.9 |
57.2 |
55.8 |
55 |
54.5 |
54.8 |
54.8 |
54.5 |
55.7 |
58.1 |
61.1 |
64.1 |
67.3 |
70.8 |
73.9 |
76.7 |
77.1 |
77.6 |
76.8 |
75.8 |
74 |
70.9 |
66.9 |
62.6 |
NE England |
Bradford Keighley Zephyr |
µg/m³ |
47.4 |
47.8 |
48.7 |
49.9 |
50.7 |
51.2 |
48.8 |
46.7 |
45.8 |
46 |
46.5 |
47.1 |
48.6 |
51.1 |
55.4 |
58.6 |
59.3 |
60.2 |
58.5 |
57.4 |
55.7 |
53.5 |
49.7 |
47.4 |
NE England |
Bradford Low Moor First Street Zephyr |
µg/m³ |
47.9 |
47.3 |
46.3 |
46.3 |
46.3 |
45.6 |
44.2 |
43.4 |
44.6 |
46.2 |
49.5 |
53 |
57 |
61.1 |
65.6 |
68.7 |
69.7 |
69.9 |
68.8 |
66.8 |
64.2 |
62 |
59.9 |
57.8 |
NE England |
Bradford Saltaire Titus Street Zephyr |
µg/m³ |
60.1 |
59 |
57.7 |
56.8 |
55.9 |
55.5 |
54.9 |
54.5 |
55 |
55.9 |
58.2 |
60.1 |
63.1 |
66.1 |
68.6 |
70.7 |
71.5 |
72.4 |
72.3 |
71.9 |
71.1 |
69.1 |
66.7 |
62.6 |
NE England |
Bradford Silsden Hothfield Street Zephyr |
µg/m³ |
48.5 |
47.9 |
47.4 |
46.9 |
46.1 |
44.4 |
43.1 |
43.3 |
44.9 |
46.8 |
49.5 |
52.8 |
56.4 |
61.8 |
66 |
67.5 |
67.7 |
68.1 |
66.6 |
65 |
62.6 |
59.1 |
55.6 |
50.9 |
NE England |
Hull Freetown AURN |
µg/m³ |
76.1 |
77.1 |
78.3 |
79.5 |
80.2 |
81.1 |
81.2 |
81.3 |
81.5 |
81.5 |
81.9 |
82.7 |
84.3 |
85.8 |
88.1 |
90.1 |
91 |
91.2 |
91.2 |
89.8 |
85.6 |
74.7 |
65.1 |
58.3 |
NE England |
Newcastle Centre AURN |
µg/m³ |
77.7 |
79.9 |
81 |
81.8 |
82.9 |
83.5 |
83.5 |
82.5 |
82.4 |
81.9 |
82.2 |
82.1 |
82.2 |
82.2 |
82.4 |
83.6 |
83.9 |
83.8 |
83.4 |
82.5 |
80.2 |
78 |
76.7 |
74.6 |
NE England |
Sunderland Silksworth AURN CLOSED |
µg/m³ |
89.7 |
90.6 |
90.5 |
90.8 |
90.9 |
91.6 |
91.4 |
91.7 |
91.5 |
91.3 |
92.6 |
93.6 |
94.3 |
94.6 |
95.4 |
95.5 |
95.5 |
94.7 |
92.6 |
87.8 |
86.2 |
84.3 |
81.8 |
78.8 |
NIRE |
Belfast Centre AURN |
µg/m³ |
70.3 |
69.5 |
68.3 |
66.5 |
63.6 |
61 |
57.1 |
54 |
52.3 |
50.5 |
49.1 |
47 |
46 |
44.8 |
45.8 |
44.8 |
43.9 |
42 |
41.4 |
44.4 |
47.3 |
49.6 |
51.3 |
54.8 |
NW England |
Liverpool Speke AURN |
µg/m³ |
71.9 |
70.8 |
67.9 |
65 |
63.2 |
61.3 |
60 |
59.6 |
60.5 |
62.7 |
67.5 |
72.2 |
76.1 |
80 |
83.2 |
85.5 |
86.7 |
87 |
86.6 |
85.5 |
82.8 |
78.9 |
76.5 |
73.6 |
NW England |
Nottingham Kenmore Gardens AURN |
µg/m³ |
63 |
62 |
62 |
63 |
68 |
72 |
73 |
74 |
75 |
76 |
77 |
78 |
80 |
84 |
87 |
88 |
90 |
90 |
91 |
88 |
80 |
69 |
58 |
47 |
NW England |
Preston AURN |
µg/m³ |
68.7 |
68.3 |
68 |
67.8 |
67.4 |
67 |
67.3 |
68.3 |
70.9 |
72 |
73.7 |
75.9 |
78.1 |
79.8 |
81.3 |
82 |
81.6 |
81.8 |
81.9 |
80.6 |
77.7 |
74.8 |
72 |
70.1 |
NW England |
Wirral Tranmere AURN |
µg/m³ |
79.6 |
78.4 |
76.5 |
74 |
73.2 |
72.3 |
72 |
72.1 |
72.4 |
74.1 |
76.5 |
80.4 |
82.7 |
85.3 |
87.4 |
89.3 |
91 |
91.4 |
92 |
92.4 |
90.4 |
87.8 |
85.1 |
82.4 |
SE England |
Canterbury AURN |
µg/m³ |
78.6 |
78.4 |
77.5 |
76.4 |
75.4 |
74 |
73 |
72.7 |
73.2 |
72.2 |
68.5 |
66.5 |
66.1 |
66.4 |
67.4 |
68.2 |
68.5 |
70.2 |
74.9 |
78.4 |
79.5 |
79.8 |
79 |
77.1 |
SE England |
Portsmouth AURN |
µg/m³ |
59.7 |
57.9 |
56.2 |
54.6 |
52.3 |
49.7 |
46.3 |
44.2 |
44.5 |
44.6 |
46.3 |
49.3 |
53.9 |
59.6 |
65.6 |
70.6 |
75.5 |
78.8 |
81.2 |
81.5 |
80.3 |
77.2 |
71.3 |
65.5 |
SE England |
Reading New Town AURN |
µg/m³ |
60.6 |
57.3 |
53.9 |
52.2 |
51.8 |
51 |
50 |
50.6 |
53.1 |
56.5 |
60.3 |
63.6 |
66.3 |
70.3 |
73.9 |
77.8 |
80.3 |
81.4 |
81.2 |
79.1 |
73.8 |
65.9 |
56.8 |
47.6 |
SE England |
Rochester Stoke AURN |
µg/m³ |
67 |
64.3 |
61.2 |
59.5 |
58 |
57.5 |
58.6 |
61.2 |
63.7 |
67 |
71 |
74.6 |
78.1 |
80.8 |
82.6 |
83.6 |
84.1 |
84 |
83.5 |
82.6 |
81.6 |
80.4 |
77.1 |
71.1 |
SE England |
Southampton Centre AURN |
µg/m³ |
52 |
47.8 |
43.5 |
41.5 |
38.8 |
34.3 |
30.1 |
28.2 |
26.2 |
28.7 |
33.8 |
38 |
42.3 |
48.4 |
56.2 |
63.6 |
72.5 |
76.5 |
77.4 |
76.2 |
71.4 |
66.6 |
61.9 |
52.3 |
SE England |
Thurrock AURN |
µg/m³ |
64.7 |
62.8 |
60.8 |
59.3 |
58.1 |
58 |
59.6 |
62.4 |
64.9 |
68.5 |
72 |
75.1 |
79.5 |
83.3 |
84.9 |
84.4 |
83.9 |
82.9 |
81.3 |
79.7 |
76.6 |
73.2 |
69.2 |
66.4 |
SW England |
Bristol St Paul's AURN |
µg/m³ |
40 |
29.8 |
21.2 |
15.3 |
9.9 |
7.2 |
6.7 |
10.5 |
16.8 |
23.2 |
30.8 |
37 |
45.7 |
54.8 |
65 |
72.1 |
76.6 |
81.2 |
83.1 |
84 |
79.9 |
72.9 |
65.9 |
59.4 |
SW England |
South Glos Coldharbour Lane A4174 |
µg/m³ |
41.2 |
33.8 |
28.7 |
22 |
18.3 |
14.6 |
11.8 |
11.8 |
14.4 |
18.8 |
22.4 |
30.2 |
39.3 |
47.4 |
56.1 |
63.3 |
68.7 |
71.6 |
72.2 |
68.5 |
62.4 |
57.1 |
52.5 |
48.4 |