The relative impacts of distributed and centralized generation of electricity on local air quality in the South Coast Air Basin of California

► NOx levels in the LA basin will change by shifting to distributed generation (DG). ► Shifting to DG will reduce the maximum hourly concentration from 25 to 6 ppb. ► DG will add 0.1 ppb versus 0.05 ppb for CG to the annual average of 20 ppb.