come to think about it I believe it happened about that time...the same time I installed a 2.5 ton a/c unit to cool the grow, 400sf with 12' ceilings...I thought it was all due to the a/c being too large, it didn't cycle as it should have and the moisture was crazy...Did you start having the pm issues after switching to led?
I lived just north in Dumont, a little 'burb village...My pops was from patterson,nj.