Air Quality Strategy Objectives Generated for the 12 month period commencing » 1-jan-2011
|Site selected » Westminster - Marylebone Road FDMS|
|PM10 Particulate||40 ug/m3 as an annual mean||38||YES|
|PM10 Particulate||50 ug/m3 as a 24 hour mean, not to be exceeded more than 35 times a year||57||NO|
Note 1: All results from TEOM PM10 analysers from 2004 onward are now converted to reference equiavlence using the volatile correction method. Results using the old 'TEOM*1.3' method are also shown in grey for comparison where relevant.
Note 2: Ratification information is shown below. Results based on provisional data must be considered with care. Why?
|Warning: Westminster - Marylebone Road FDMS - All data fully ratified|
|Click here to start again.|