#polluted_points {
   marker-fill-opacity: 0.9;
   marker-line-color: #FFFFFF;
   marker-line-width: .2;
   marker-line-opacity: .7;
   marker-placement: point;
   marker-type: ellipse;
   marker-width: 7;
   marker-allow-overlap: false;
}

#polluted_points[nag_id=10] {
   marker-fill: #9801d6;
   marker-width: 9;
   [zoom>=12] { marker-width: 6; }
   [zoom>=13] { marker-width: 8; }
   [zoom>=14] { marker-width: 10; }
   [zoom>=16] { marker-width: 12; }
   [zoom>=18] { marker-width: 14; }
}
#polluted_points[nag_id=7] {
   marker-fill: #f7b699;
   marker-width: 6;
   [zoom>=12] { marker-width: 4; }
   [zoom>=13] { marker-width: 5; }
   [zoom>=14] { marker-width: 6; }
   [zoom>=16] { marker-width: 8; }
   [zoom>=18] { marker-width: 10; }
}
#polluted_points[nag_id=8] {
   marker-fill: #a50008;
    marker-width: 9;
   [zoom>=12] { marker-width: 6; }
   [zoom>=13] { marker-width: 8; }
   [zoom>=14] { marker-width: 10; }
   [zoom>=16] { marker-width: 12; }
   [zoom>=18] { marker-width: 14; }
}
#polluted_points[nag_id=9] {
   marker-fill: #e171fb;
    marker-width: 6;
   [zoom>=12] { marker-width: 4; }
   [zoom>=13] { marker-width: 5; }
   [zoom>=14] { marker-width: 6; }
   [zoom>=16] { marker-width: 8; }
   [zoom>=18] { marker-width: 10; }
}



