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Wednesday, 
County Site Units 8-Hour Hour Of Day 1 Hour Hour Of Day
NIRE Belfast Centre AURN µg/m³ 45.7 01 AM 55.7 03 PM
NE England Bradford Apperley Bridge Marina Zephyr µg/m³ 41.7 01 AM 52.1 03 PM
NE England Bradford Cavendish Prim Sch Hall Rd Zephyr µg/m³ 54.5 06 AM 56.1 03 PM
NE England Bradford East Bowling Flockton Grove Zephyr µg/m³ 33.4 01 AM 42.9 03 AM
NE England Bradford Farfield Prim Sch Reevy Cres Zephyr µg/m³ 37.3 01 AM 37.1 02 AM
NE England Bradford Girlington St Leonards Road Zephyr µg/m³ 43.7 06 AM 56.3 05 AM
NE England Bradford Gt Horton All Saints Prim Sch Zephyr µg/m³ 32.3 06 AM 49.9 01 PM
NE England Bradford Horton Aberdeen Place Zephyr µg/m³ 36.3 06 AM 48.3 04 AM
NE England Bradford Ilkley Grove Road Zephyr µg/m³ 36.3 01 AM 38.9 03 AM
NE England Bradford Keighley Zephyr µg/m³ 23.9 06 AM 46.7 03 AM
NE England Bradford Low Moor First Street Zephyr µg/m³ 26.3 01 AM 33.5 02 AM
NE England Bradford Saltaire Titus Street Zephyr µg/m³ 30.2 01 AM 40.1 03 PM
NE England Bradford Silsden Hothfield Street Zephyr µg/m³ 19.7 01 AM 31.1 03 AM
SW England Bristol St Paul's AURN µg/m³ 65.6 04 AM 72.2 02 AM
SE England Canterbury AURN CLOSED µg/m³ 74.6 07 AM 81.2 04 AM
NE England Hull Freetown AURN µg/m³ 61.4 03 AM 66.9 02 AM
Midlands Leicester University AURN µg/m³ 47.4 01 AM 61.9 04 PM
NW England Liverpool Speke AURN µg/m³ 41.4 01 AM 55.3 02 PM
London London Haringey Priory Park South AURN µg/m³
NE England Newcastle Centre AURN µg/m³ 51.7 03 AM 59.7 01 PM
NE England Newcastle Cradlewell Roadside AURN µg/m³
East Anglia Norwich Lakenfields AURN µg/m³ 63.7 01 AM 67.9 02 PM
NW England Nottingham Kenmore Gardens AURN µg/m³ 47 01 AM 54 04 PM
SE England Portsmouth AURN µg/m³ 71.7 03 AM 75.6 02 AM
NW England Preston AURN µg/m³ 27.6 01 AM 37.5 03 PM
SE England Reading New Town AURN µg/m³ 61.7 04 AM 65.5 02 AM
SE England Rochester Stoke AURN µg/m³ 76 07 AM 79.4 03 AM
SW England South Glos Coldharbour Lane A4174 µg/m³ 70.1 03 AM 75.6 02 AM
NE England South Tyneside Edinburgh Road µg/m³
SE England Southampton Centre AURN µg/m³ 70.9 02 AM 76.2 02 AM
Midlands Stoke-on-Trent Centre AURN µg/m³ 45.9 09 AM 59.5 04 AM
NE England Sunderland Silksworth AURN µg/m³ 60.4 01 AM 63.7 03 PM
SE England Thurrock AURN µg/m³ 64.9 07 AM 69.5 04 AM
East Anglia Weybourne AURN µg/m³ 80.3 08 AM 81.4 04 AM
NW England Wirral Tranmere AURN µg/m³ 51.4 02 AM 56.7 02 AM