Riverside, CA Pollen Forecast

Summary of the forecasted pollen levels in Riverside, CA

The overall pollen levels in Riverside, CA on 2026-07-05 will be high, with grasses like bermuda being the main contributor. While other pollen types like weeds and trees are present at low levels, the high grass pollen is expected to continue increasing over the next few days. Residents in the area may want to take precautions if they are sensitive to grass pollen.

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 Grass32.0 grains/m³
  • ModerateMugwort13.0 grains/m³
  • ModerateRagweed13.0 grains/m³
Sun, Jul 5
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
2026-07-05Grass PollenHigh
2026-07-06Grass PollenHigh
2026-07-07Grass PollenHigh
2026-07-08Grass PollenHigh
2026-07-09Grass PollenHigh
2026-07-10Grass PollenHigh
2026-07-11Grass PollenHigh
Risk Levels:
Low
,
Moderate
,
High
,
Very High

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