WEST JESMOND PRIMARY SCHOOL Started 23/08/2018 at TYNE_BRIDGE Precision Station (1056100) 02/10/18 Linear Regression applied from 07/09/18 03/10/18 Re-instated at original site

Precision Station TYNE_BRIDGE 1056100 (from 08/09/18 to 01/10/2018) 1922150 CO (co-location data from 08/09/2018 to 15/09/2018) Original slope:0.914598942 Original Offset:193.3832245 New Slope:0.000844257 New Offset:0.989484601 R square:0.665055763

NO
Original slope:1 Original Offset:-0.35589999 New Slope:0.933711453 New Offset:-1.710703179 R square:0.978523676

NO2 Original slope:1 Original Offset:6.368599892 New Slope:0.92656683 New Offset:6.07222169 R square:0.737297777

O3
Original slope:0.674300015 Original Offset:6.883500099 New Slope:0.441966955 New Offset:12.51008373 R square:0.841991367

PM10
Original slope:1 Original Offset:0 New Slope:1.144330886 New Offset:2.507096686 R square:0.595707217

PM2.5
Original slope:1 Original Offset:0 New Slope:2.778519125 New Offset:0.262128145 R square:0.827847192

PM1 Original slope:1 Original Offset:0 New Slope:5.619814731 New Offset:0.086995631 R square:0.826490633