About half of the world's population now lives in urban areas because of the opportunity for a
better quality of life. Many of these urban centers are expanding rapidly, leading to the …

Air Pollution and Health in Urban Areas Page 1 REVIEWS ON ENVIRONMENTAL HEALTH
VOLUME 15, NO. 1-2, 2000 Air Pollution and Health in Urban Areas Dietrich Schwela …

Whole air samples were collected in 43 Chinese cities in January and February 2001, and
methane and nonmethane hydrocarbon (NMHC) concentrations for those samples are here …

A comprehensive emission inventory for megacity Delhi, India, for the period 1990–2000
has been developed in support of air quality, atmospheric chemistry and climate studies. It …

Mixing ratios of carbon monoxide (CO), methane (CH4), non-methane hydrocarbons,
halocarbons and alkyl nitrates (a total of 72 species) were determined for 78 whole air …

This paper summarizes the results of a yearlong continuous measurements of gaseous
pollutants, NO, NO2, NOx and O3 in the ambient air at Kathmandu valley. Measured …

Ozone is a secondary pollutant and greenhouse gas that is formed from molecular oxygen in
the presence of sunlight and nitrogen oxides. The extent of production also depends on the …

Air pollution recieves one of the prime concern in India, primarily due to rapid economic
growth, industrialization and urbanization with associated increase in energy demands …

Atmospheric photochemical processes resulting in the production of tropospheric ozone
(O3) and other oxidants are described. The spatial and temporal variabilities in the …

Ground level ozone is emerging as a pollutant of concern in India. Limited surface
monitoring data reveals that ozone concentrations are well above the prescribed national …