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Thursday, 
County Site Units 8-Hour Hour Of Day 1 Hour Hour Of Day
NIRE Belfast Centre AURN µg/m³ 58.3 12 AM 62.7 11 PM
NE England Bradford Apperley Bridge Marina Zephyr µg/m³ 48.2 12 AM 54.5 11 PM
NE England Bradford Cavendish Prim Sch Hall Rd Zephyr µg/m³ 55.5 12 AM 61.9 11 PM
NE England Bradford East Bowling Flockton Grove Zephyr µg/m³ 41.9 12 AM 50.7 11 PM
NE England Bradford Farfield Prim Sch Reevy Cres Zephyr µg/m³ 32.4 12 AM 37.3 11 PM
NE England Bradford Girlington St Leonards Road Zephyr µg/m³ 51.2 12 AM 60.5 11 PM
NE England Bradford Gt Horton All Saints Prim Sch Zephyr µg/m³ 32.2 12 AM 42.7 11 PM
NE England Bradford Horton Aberdeen Place Zephyr µg/m³ 38.3 12 AM 53.5 12 AM
NE England Bradford Ilkley Grove Road Zephyr µg/m³ 37.3 12 AM 41.5 12 AM
NE England Bradford Keighley Zephyr µg/m³ 40.8 12 AM 49.7 12 AM
NE England Bradford Low Moor First Street Zephyr µg/m³ 28.4 12 AM 36.5 12 AM
NE England Bradford Saltaire Titus Street Zephyr µg/m³ 41.1 12 AM 49.5 11 PM
NE England Bradford Silsden Hothfield Street Zephyr µg/m³ 37.4 12 AM 43.5 12 AM
SW England Bristol St Paul's AURN µg/m³ 58.7 12 AM 75.4 12 AM
SE England Canterbury AURN CLOSED µg/m³ 60.2 08 PM 66.1 07 PM
NE England Hull Freetown AURN µg/m³ 68.5 12 AM 73.6 09 PM
Midlands Leicester University AURN µg/m³ 54.9 10 AM 58.1 04 AM
NW England Liverpool Speke AURN µg/m³ 53.5 12 AM 57.1 12 AM
London London Haringey Priory Park South AURN µg/m³
NE England Newcastle Centre AURN µg/m³ 74.2 12 AM 78.6 12 AM
NE England Newcastle Cradlewell Roadside AURN µg/m³
East Anglia Norwich Lakenfields AURN µg/m³ 55.4 05 PM 65.3 03 PM
NW England Nottingham Kenmore Gardens AURN µg/m³ 56 06 PM 61 01 PM
SE England Portsmouth AURN µg/m³ 62.5 12 AM 65.9 07 PM
NW England Preston AURN µg/m³ 64.6 12 AM 70 11 PM
SE England Reading New Town AURN µg/m³ 49.9 12 AM 55.7 09 PM
SE England Rochester Stoke AURN µg/m³ 63.6 10 PM 72.4 08 PM
SW England South Glos Coldharbour Lane A4174 µg/m³ 63.7 12 AM 73.6 12 AM
NE England South Tyneside Edinburgh Road µg/m³
SE England Southampton Centre AURN µg/m³ 62.6 12 AM 70.2 12 AM
Midlands Stoke-on-Trent Centre AURN µg/m³ 65.4 05 PM 68.9 01 PM
NE England Sunderland Silksworth AURN µg/m³ 81.4 12 AM 84 12 AM
SE England Thurrock AURN µg/m³ 52.5 12 AM 64.1 08 PM
East Anglia Weybourne AURN µg/m³ 72.8 04 PM 76 10 AM
NW England Wirral Tranmere AURN µg/m³ 55 12 AM 62.9 11 PM