Why the beautiful blue sky has become more hazy

AUSTIN (KXAN) -- The haze has returned to our beautiful azure blue Central Texas sky. Why? There's a simple explanation.
This is the season for agricultural burning in Mexico. This "burning season" for our southern neighbors occurs during Mexico's dry season, which is essentially from the middle of March until May. The wet season in Mexico begins in June.This is the time when the farmers clear the land of unwanted vegetation, allowing for nutrients to return to their soils. This burning of the l