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A Comparative Study of Air Pollution in Indian Cities


Rapid and unplanned industrialization and urbanization has resulted in the deterioration of India’s air quality according to air-quality monitoring carried out in seven major Indian cities in industrial and residential areas between 1995 and 2000. Suspended particulate matter (SPM) levels in Indian cities are in the range 50 to 550 μg/m3. NOx values are high in Delhi’s residential areas, with values of 33 μg/m3 in 1995 and 34.6 μg/m3 in 2000, while in an industrial area values of 29.4 μg/m3 were found in 1995, increasing to 33.7 μg/m3 in 2000. SO2 values are very high in Pune city, ranging from 43.3 μg/m3 in residential to 43.69 μg/m3 in an industrial area in 2000.

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The authors are grateful to Government of India’s DST, New Delhi, Fast Track Proposal for Young Scientists (Earth and Atmospheric Sciences), which sponsored the project entitled “A Systems Approach for Managing Air Quality in an Urban Area” at S.F.S.P., Devi Ahilya University, Indore (MP), India. Thanks are also due to all other authors of the respective universities/organizations for making contributions to the study.

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Correspondence to H. K. Gupta.

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Singh, A.K., Gupta, H.K., Gupta, K. et al. A Comparative Study of Air Pollution in Indian Cities. Bull Environ Contam Toxicol 78, 411–416 (2007).

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  • Anthropogenic activities
  • Air quality
  • Vehicular pollution
  • Industrial activities