Low Pollen in Joliet, IL

Low today, mostly grass pollen.

Last updated July 1, 2026

Today's index2out of 5Low
GrassLowoff-season

What to do today

  • It's a good day for outdoor activities since pollen levels are low.
  • Do you know which plants cause your pollen allergy? Check out the pollen data to be prepared.

Forecast

Thu
2
Fri
1
Sat
1
Sun
1

About pollen in Joliet

Grass pollen is the main driver in Joliet today, sitting at a Low level of 2 on the Universal Pollen Index, while the overall reading also registers Low at 2. Tree and weed pollen are not reporting data at this time. The forecast holds grass steady at 2 for the next few days before easing to 1 toward the end of the period, suggesting a gradual decline ahead. This fits the season, as late spring and early summer are typically when grass pollen runs highest, after the spring tree-pollen peak has passed and well before ragweed becomes a factor in late summer and fall.

Common questions

What is the pollen count in Joliet, IL today?
Joliet, IL is at a low 2 out of 5 on the Universal Pollen Index today, driven mainly by grass pollen. Over the next five days it ranges from 1 to 2 of 5.
Is grass pollen high in Joliet, IL right now?
Grass pollen is low today at 2 of 5, and it's past its peak season. Most people won't have symptoms.