Air Quality Strategy Objectives Generated for the 12 month period commencing » 1-jan-2011
| Pollutant | Objective | Result | Achieved Objective |
|---|---|---|---|
| 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 |
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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.
More information.
Note 2: Ratification information is shown below. Results based on provisional data must be considered with care. Why? |
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| Warning: Westminster - Marylebone Road FDMS - All data fully ratified | |||
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