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[FAQ] 5 [Keywords] Pollutant Diffusion Nitrogen NOx NO2 trends [Published Date (sort)] 01/09/2010 [Sort by Title] 
Measured nitrogen oxides (NOx) and/or nitrogen dioxide (NO2) concentrations in my local authority area do not appear to be declining in line with national forecasts. Should I take this into account in my Review and Assessment work?
LAQM FAQs - Local Air Quality Management Support - Defra, UK
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