Very Low Pollen in Vacaville, CA
Very low today, mostly grass pollen.
Last updated July 20, 2026
What to do today
- Pollen levels are very low right now. It's a great day to enjoy the outdoors!
Forecast
About pollen in Vacaville
Grass remains the only pollen type registering in Vacaville today, and it is sitting at a very low level. Most people, even those with grass sensitivities, should not notice much in the way of symptoms right now. Overall, it is a quiet day for airborne pollen across the area. Looking ahead, conditions are expected to hold steady over the next several days, with grass staying low throughout the forecast period. This lines up with the typical seasonal pattern for the region: the spring surge from trees like oak, olive, and ash has long passed, and grass pollen, while still technically active this time of year, is well past its late-spring peak. With ragweed season still a few months off, this stretch of summer is generally one of the calmer periods for allergy sufferers in Vacaville.
Common questions
- What is the pollen count in Vacaville, CA today?
- Vacaville, CA is at a very low 1 out of 5 on the Universal Pollen Index today, driven mainly by grass pollen. The five-day outlook holds steady around 1 of 5.
- Is grass pollen high in Vacaville, CA right now?
- Grass pollen is very low today at 1 of 5, and it's past its peak season. Most people won't notice it.