Very Low Pollen in Riverside, 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 Riverside
Pollen levels in Riverside remain quiet today, with grass the only type showing any measurable presence, and even that is sitting at a very low level. Most people should be able to spend time outdoors without much irritation, and those with sensitivities are unlikely to notice more than a mild effect, if any at all. Looking ahead, the next several days should bring more of the same, with grass pollen expected to hold steady at this low level through the week. This is a welcome lull heading into late summer, a season when grasses typically taper off while ragweed and other late-season weeds begin to take over as the more common trigger in the months ahead. Local trees such as olive and sycamore, which tend to peak earlier in spring, are not contributing much at this point in the year.
Common questions
- What is the pollen count in Riverside, CA today?
- Riverside, 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 Riverside, 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.