AVERAGE LEVELS OF AIR POLLUTION EXPOSURE IN MUMBAI

Pollutant (Units)

Personal Exposure Occupational Exposure Residential Exposure Ambient Air Quality NAAQS*   India
  PM    (µg/m3)   330±173   358±187   308±225   153±102   100
  NO2   (PPb)   33.3±16.1   29.9±14.1   33.3±16.3   21±12     43
  Pb     (µg/m3)   4.21±1.52   4.38±7.77   4.09±5.93   0.34±0.25    1.0
  Cd    (µg/m3)   0.13±0.14   0.20±0.16   0.11±0.16   0.02±0.02    ----
  Mn     (µg/m3)   1.98±6.82   1.98±7.84   0.18±0.15   0.15±0.18    ----
  K        (µg/m3)   3.31±2.48   3.47±4.69   4.59±4.62   0.54±0.42    ----

Source : M.M.Kulkarni.(1998), Phd Thesis - "Assessment of Human Exposure
               to Air Pollution in a Residential cum Industrial Area of Mumbai. " , IIT Bombay.


* NAAQS - National Ambient Air Quality Standards.