Low Pollen in Hayward, CA
Low today, mostly grass pollen.
Last updated July 1, 2026
Today's indexLow
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.
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About pollen in Hayward
Grass pollen is the main driver in Hayward today, sitting at a Low level on the Universal Pollen Index, and it accounts for the overall reading of 2. The five-day forecast holds steady, with grass expected to stay at the same Low level through the period, so no significant change is anticipated in the near term. Late June falls within the typical window for grass pollen, which tends to be most active across late spring and early summer. Tree pollen, which peaks earlier in spring, has no data reported today, and weed pollen — including ragweed, which generally ramps up later in summer and fall — is likewise unreported. Overall, conditions remain on the calmer end for now.
Common questions
- What is the pollen count in Hayward, CA today?
- Hayward, CA is at a low 2 out of 5 on the Universal Pollen Index today, driven mainly by grass pollen. The five-day outlook holds steady around 2 of 5.
- Is grass pollen high in Hayward, CA right now?
- Grass pollen is low today at 2 of 5, and it's past its peak season. Most people won't have symptoms.