why does acid rain not affect us?

Question: why does acid rain not affect us?
- Keywords:
  acid,
  environment,
  rain
Asked by pugsnotdrugs to Caroline, John on 22 Jun 2012.
- John Short answered on 22 Jun 2012:
  
  It does – it affects stone buildings, crops and life in ponds, lakes, streams and rivers
  
  However, it does not yet affect our skin yet as the rain is not yet acidic enough to do so.

Question: why does acid rain not affect us?