Our understanding of the processes that control the burden and budget of tropospheric
ozone has changed dramatically over the last 60 years. Models are the key tools used to …

Reducing surface ozone to meet the European Union's target for human health has proven
challenging despite stringent controls on ozone precursor emissions over recent decades …

Vehicles are a significant source of carbon monoxide (CO) and nitrogen oxides (NO x), two
harmful pollutants and precursors to ozone formation. Previous studies have shown that …

The global fire emission inventories depend on ground and airborne measurements of
species-specific emission factors (EFs), which translate dry matter losses due to fires to …

Hydrocarbons in both gas and particle phases from C 10 to C 36 (I/SVOCs) were analysed
at sites in central London. Samples were collected from a street canyon, Marylebone Road …

Particulate Matter (PM) pollution is generally considered as a prime indicator of urban air
quality and is linked to human health hazards. As vehicles are a vital component of an urban …

Air pollution is one of the most concerning environmental problems in cities. Hourly data on
pollutant concentrations from 11 automatic atmospheric monitoring stations and …

Historically, California has been a world leader in the development and application of
environmental regulations. Policies to address air pollution have reduced criteria pollutant …

Carbon monoxide (CO) is an important gas that affects human health and causes air
pollution. However, the estimates of CO emissions in China are still subject to large …

Vehicle hydrocarbon (HC) emissions can be emitted from either tailpipe or nontailpipe
locations, and understanding their fleet apportionment is important for a successful air …