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Saturday, 
County Site Units 8-Hour Hour Of Day 1 Hour Hour Of Day
NIRE Belfast Centre AURN µg/m³ 29.2 04 AM 41.5 03 PM
NE England Bradford Apperley Bridge Marina Zephyr µg/m³ 1.4 12 AM 6.8 12 AM
NE England Bradford Cavendish Prim Sch Hall Rd Zephyr µg/m³ 8 09 AM 18.2 04 AM
NE England Bradford East Bowling Flockton Grove Zephyr µg/m³ 13.5 07 AM 27.1 05 AM
NE England Bradford Farfield Prim Sch Reevy Cres Zephyr µg/m³ 18.6 08 AM 22.8 03 AM
NE England Bradford Girlington St Leonards Road Zephyr µg/m³ 20 06 AM 42.7 05 AM
NE England Bradford Gt Horton All Saints Prim Sch Zephyr µg/m³ 0.1 03 AM 0.8 03 AM
NE England Bradford Horton Aberdeen Place Zephyr µg/m³ 6.3 09 AM 27.7 04 AM
NE England Bradford Ilkley Grove Road Zephyr µg/m³ 3.4 04 PM 6.4 01 PM
NE England Bradford Keighley Zephyr µg/m³ 1.8 04 PM 10.6 03 PM
NE England Bradford Low Moor First Street Zephyr µg/m³ 2.3 05 AM 10.2 04 AM
NE England Bradford Saltaire Titus Street Zephyr µg/m³ 1.4 03 PM 4.6 12 AM
NE England Bradford Silsden Hothfield Street Zephyr µg/m³ 3.2 04 PM 10.2 02 PM
SW England Bristol St Paul's AURN µg/m³ 68.4 07 PM 76.4 03 PM
SE England Canterbury AURN CLOSED µg/m³ 69.4 07 AM 76 03 AM
NE England Hull Freetown AURN µg/m³ 25.9 10 PM 35.1 01 AM
Midlands Leicester University AURN µg/m³ 53.8 01 AM 55.7 03 PM
NW England Liverpool Speke AURN µg/m³ 40 06 AM 52.9 04 PM
London London Haringey Priory Park South AURN µg/m³
NE England Newcastle Centre AURN µg/m³ 39.2 01 AM 40.1 03 AM
NE England Newcastle Cradlewell Roadside AURN µg/m³
East Anglia Norwich Lakenfields AURN µg/m³ 61.7 01 AM 64.9 03 PM
NW England Nottingham Kenmore Gardens AURN µg/m³ 45 06 PM 52 04 PM
SE England Portsmouth AURN µg/m³ 61.2 07 PM 69.6 04 PM
NW England Preston AURN µg/m³ 36.5 05 PM 51.5 04 PM
SE England Reading New Town AURN µg/m³ 48 07 PM 59.1 03 PM
SE England Rochester Stoke AURN µg/m³ 70 01 AM 73.2 03 AM
SW England South Glos Coldharbour Lane A4174 µg/m³ 70.9 08 PM 77.2 03 PM
NE England South Tyneside Edinburgh Road µg/m³
SE England Southampton Centre AURN µg/m³ 59.7 06 PM 71.4 04 PM
Midlands Stoke-on-Trent Centre AURN µg/m³ 42 09 PM 54.3 05 PM
NE England Sunderland Silksworth AURN µg/m³ 47.5 02 AM 50.1 01 AM
SE England Thurrock AURN µg/m³ 54.7 01 AM 62.1 08 PM
East Anglia Weybourne AURN µg/m³ 64.3 01 AM 59.7 02 AM
NW England Wirral Tranmere AURN µg/m³ 44.9 06 PM 60.5 04 PM