Advanced Graphs

Use these two tools to create your own graph to compare levels at different sites across the region or compare levels of each pollutant at one site.

1. The 'Site Plotting' tool graphs data from one selected site over any time period.
   
   Select a site:  Basildon - Gloucester Park Brentwood - Brentwood Town Hall Castle Point - Canvey Island (closed 2010) Castle Point - Hadleigh Chelmsford - Baddow Road Chelmsford - Chignal St James Chelmsford - Fire Station Chelmsford - Springfield Road Colchester - Brook Street Colchester - Lucy Lane South Colchester - Mersea Road Rochford - Rawreth Industrial Estate Rochford - Rayleigh High Street Southend-on-Sea AURN Stansted Hall Tendring - Town Hall Tendring St Osyth AURN Thurrock - Calcutta Road Tilbury Thurrock - London Road (Grays) Thurrock - London Road (Purfleet) Thurrock - Purfleet (closed 2008) Thurrock - Stanford-le-Hope Uttlesford - Broxted Farm (closed 2011) Uttlesford - Saffron Walden Fire Station Uttlesford - Takeley
   
   
2. The 'Pollutant Plotting' tool allows the graphing of one pollutant or meteorological parameter at up to six different sites over any time period.
   
   Select a species:  Carbon Monoxide (CO) Nitrogen Dioxide (NO2) Nitric Oxide (NO) Oxides of Nitrogen (NOx) Ozone (O3) PM10 (Grav Equi) PM10 Particulates Sulphur Dioxide (SO2) Barometric Pressure Temperature Wind Direction Wind Speed

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