a]ÝĖ^į %XĮ[ýįV - Pollution Control Board, Assam

yÔ×]EõXeØšöçX»Eõ'QöØšö_Ý»×[ý×Wý×V`(%Üö»Ýlù»Y»ç)[ýTö§¾çVÇ»±¼öYÒEõ”» Y»çØšöçX» Xç](1) A 1 %ÜöfØšö×_ -- -- Y×»Eõ×”Tö F×X%‡û_Tö(2) A 2 %ÜöfØšö×_ - - Y×»Eõ×”Tö F×X»\öIøçYÇ_» C$Jô»Tö(3) A 3 [ý×c÷fØšö×_ V×lùS-Y׸Jô] 1.8 ×Eõf×]f G\öÝ» [ýXç‡û_(4) A 4 [ý×c÷fØšö×_ =wø»- Y׸Jô] 0.75 ×Eõf×]f _ç]ç [ý×Øö» Eõçb»[ýç]ïç åEõ+(5) A 5 [ý×c÷fØšö×_ V×lùS-Y׸Jô] 0.75 ×Eõf×]f ×$RôOYe Eõçb»_ç_Yçc÷ç» GgçC(6) A 6 [ý×c÷fØšö×_ =wø»- Y׸Jô] 1.5 ×Eõf×]f ×$JôμùÝ GgçCSummary of Ambient Air Quality Data for One Season(January ‘2009 to March ‘2009)AAQ StationA 1 Core ZoneConcentration (µg/m 3 )SPM RPM SO 2 NO xMaximum 55 28 BDL 07Minimum 37 12 BDL 0495 Percentile 55 25 --- ---Mean 45 19 --- ---Permissible Limit (NAAQS) 500 200 120 120A 2 Core ZoneMaximum 58 29 BDL 08Minimum 34 12 BDL 0695 Percentile 55 27 --- ---Mean 45 20 --- ---Permissible Limit (NAAQS) 500 200 120 120A 3 Buffer ZoneMaximum 89 39 11 18Minimum 40 17 09 125