AIR POLLUTION STATUS IN PUDUCHERRY
ANNUAL AVERAGE CONCENTRATION FOR THE PERIOD FROM 2005 TO 2014
Year Residential Area Residential-cum-Commercial Area Industrial Area
SPM PM10 SO2 NO2 SPM PM10 SO2 NO2 SPM PM10 SO2 NO2
2005 70 - 13.3 12.2 90 . 11.6 14.3 89 - 20.4 16.4
2006 102 - 6.9 7.9 130 - 8.3 12.1 110 - 13.5 11.4
2007 71 - 3.6 6.1 83 - 4.3 7.7 84 - 4.8 8.0
2008 68 - 3.4 8.7 121 - 4.6 11.8 78 - 5.5 12.5
2009 59 37 2.9 8.0 63 40 3.5 11.4 70 47 4.0 12.4
2010 45 28 5.3 10.6 60 38 6.0 14.5 69 45 6.6 15.0
2011 53 32 6.9 13.9 71 44 7.2 15.9 79 48 7.5 16.9
2012 51 32 6.7 12.4 67 43 7.6 14.3 78 50 8.3 14.9
2013 56 37 5.7 11.9 68 45 11.2 14 68 46 6.9 15.4
2014 63 40 5.2 12.1 70 42 5.1 12.2 72 45 5.9 13.7
Std Limit - 60 50 40 - 60 50 40 - 60 50 40

                                                Note : 1. High Volume Sample was used to assess the air quality at DSTE in the year 2008 and hence Suspended Particulate
                                                           Matter concentration was assessed.

                                                            2. SPM  - Suspended Particulate Matter
                                                                PM10 - Particulate Matter (10 micron) size
                                                                SO -  Sulphur di Oxide
                                                                NO2  -  Nitrogen di Oxide

                                                            3. Residential Area - Chamber of Commerce till June 2012 & Local Administration Department from July 2012 to till date.
                                                                Residential Area-cum-Commercial Area - Department of Science, Technology & Environment, Anna Nagar.
                                                                Industrial Area - PIPDIC Industrial Estate, Mettupalayam.