Urban haze: the extent of automotive contribution.
Observation of the correlation between nitrogen oxides and the extinction coefficient of atmospheric air suggests that the automobile exhaust aerosol (nonphotochemical) may be important to visibility in cities.
D000336:Aerosols; D000397:Air Pollution; D004782:Environmental Health; D008027:Light; D009569:Nitric Oxide; D009584:Nitrogen; D010087:Oxides; D014505:Urban Population; D001335:Vehicle Emissions; D014887:Weather
D000336:Aerosols; D010087:Oxides; D001335:Vehicle Emissions; D009569:Nitric Oxide; D009584:Nitrogen