Riverside, CA Pollen and Allergy Report for Summer 2023
Pollen Allergy Trends in Riverside, CA
When is pollen lowest in Riverside, CA?
February
Lowest month total PPM
Avg. PPM
When is pollen highest in Riverside, CA?
March
Highest month total PPM
Avg. PPM
How does pollen in Riverside, CA compare to California?
Riverside has a lower average PPM than the state of California.
Riverside yearly avg PPM:
California yearly avg PPM:
How does pollen in Riverside, CA compare to the USA?
Riverside has a lower average PPM than the USA.
Riverside yearly avg PPM:
USA yearly avg PPM:
Is pollen worse this year in Riverside, CA?
Spring 2023 was better than spring 2022.
Spring 2023 PPM:
Spring 2022 PPM:
Average PPM in Riverside, CA
Riverside, CA Pollen and Allergy Breakdown by Month
Grass
When is grass pollen highest in Riverside, CA?
May has the highest grass pollen in Riverside, CA with an average PPM of
When is grass pollen lowest in Riverside, CA?
December has the lowest grass pollen in Riverside, CA with an average PPM of
Tree
When is tree pollen highest in Riverside, CA?
March has the highest tree pollen in Riverside, CA with an average PPM of
When is tree pollen lowest in Riverside, CA?
August has the lowest tree pollen in Riverside, CA with an average PPM of
Weed
When is weed pollen highest in Riverside, CA?
November has the highest weed pollen in Riverside, CA with an average PPM of
When is weed pollen lowest in Riverside, CA?
February has the lowest weed pollen in Riverside, CA with an average PPM of
Riverside, CA Pollen Monthly Breakdown by Pollen Type
Pollen and Hay Fever in Riverside, CA
Allergies are a common ailment experienced by many, and pollen allergies, often referred to as hay fever, are no exception. In Riverside, California, these allergies can be particularly prevalent due to the diversity of plant species and the regional climate, which tends to support a long growing season.
The primary sources of allergy-inducing pollen in Riverside come from grasses, trees, and weeds. Each of these produces microscopic grains that can irritate the body's immune system, leading to classic hay fever symptoms such as itchy eyes, sneezing, and congestion.
Among the grasses, Bermuda grass and ryegrass are the most common culprits. Their peak pollination period is typically in late spring and early summer. Trees such as oak, cedar, and pine can also contribute significantly to pollen counts. They usually release their pollen earlier in the year, with peak times occurring in late winter to early spring.
Weeds, however, are a significant source of pollen in Riverside, with ragweed being the most notorious. Ragweed has a long pollination period that can last from late summer into fall. Other weed species like sagebrush and lamb's quarters also contribute to the pollen count during this period.
The timing of these pollination periods means that Riverside residents can potentially experience hay fever symptoms at various points throughout the year. The severity can fluctuate depending on a variety of factors, including the specific types of plants in a person's local environment, weather conditions, and individual susceptibility.
It's also worth noting that Riverside's Mediterranean climate, characterized by mild, wet winters and hot, dry summers, can contribute to prolonged pollen seasons. The relatively mild winter allows many plants to start pollinating earlier, while the dry summer weather helps to disperse pollen more efficiently.
In conclusion, pollen allergies are a significant issue in Riverside, California due to the diversity of allergenic plants and the region's climate that supports extended pollen seasons. A deeper understanding of the types of pollen and their respective seasons can help residents anticipate and manage their symptoms more effectively.