Concentration Checks

Check out page 208 of the Pathfinder Rulebook

Situation Concentration Check DC
Cast Defensively 15 + double spell level
Injured while casting +10 + dmg dealt + spell lvl
Continuous damage while casting 10 + 1/2 dmg dealt + spell lvl
Affected by a non-dmging spell while casting DC of the Spell + spell lvl
Grappled or pinned while casting 10 + grappler’s CMB + spell lvl
Vigorous motion while casting 10 + spell lvl
Violent motion while casting 15 + spell level
Wind or Rain or Sleet while casting 5 + spell lvl
Wind with hail and debris while casting 10 + spell level
Weather caused by spell see spell
Entangled while casting 15 + spell lvl

Concentration Checks

Blisterlands Tuxedo