Riverside, CA Pollen Forecast

Summary of the forecasted pollen levels in Riverside, CA

The overall pollen levels in Riverside, CA are moderate, with grasses being the main contributor to pollen. Bermuda grass is high, while other plant types like oak, artemisia, and urtica have low levels.

The pollen levels are expected to decrease slightly over the next few days.

What's in the air in Riverside

Pollen types found in this area throughout the year and their typical risk level.

  • HighBermuda Grass
  • ModerateMugwort
  • ModerateRagweed

This week's biggest contributors

The pollen types with the highest measured levels this week.

  • HighBermuda Grass44.0 grains/m³
  • ModerateMugwort12.0 grains/m³
  • ModerateRagweed12.0 grains/m³
Sat, Jul 11
Click a location on the map to check the estimated pollen level.

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7-Day Forecast

This forecast represents the expected pollen levels in the area surrounding the selected location.

DatePollen TypeLevel
2026-07-11Grass PollenHigh
2026-07-12Grass PollenHigh
2026-07-13Grass PollenHigh
2026-07-14Grass PollenHigh
2026-07-15Grass PollenHigh
2026-07-16Grass PollenHigh
2026-07-17Grass PollenHigh
Risk Levels:
Low
,
Moderate
,
High
,
Very High

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