Not noticeable to the naked eye....

it wasn't until I uploaded this photo that I saw the tiny specks which look rather like tiny drops of moisture. . We've had frosts but no moisture so it will be pollen from all the trees in the nearby forest.  Very soon it will become noticeable on paving slabs, puddles, windscreens etc.  I feel sorry for the poor people who suffer from hayfever at this time of the year.