Long-range transport is large from north–west and North Mediterranean directions.
For Szeged medium-range transport is important on non-rainy days.
On rainy days the two transport ranges have equal weights.
Long-distance transported pollen is 27.8% of the annual total pollen at Szeged.
From this quantity, 7.5% is added to, while 20.3% is subtracted from local sources.