RAPCA
The Regional Air Pollution Control Agency
Serving Clark, Darke, Greene, Miami, Montgomery and Preble Counties

Recommend Links

World Allergy Organization

American Academy of Allergy Asthma & Immunology

RAPCA collects pollen & mold data from the Burkard sampler we maintain at the Dayton-Montgomery County Public Library in downtown Dayton.

The pollen reader is Anna Eldred, with help from Andy Roth and Kelli Steward.  If you have any questions, please call Tammy Massengale or Mary Benedict at (937) 225-4435.



To view the most recent day's complete pollen and mold table click here.
(Todays's count is available after about 11 AM.)

The complete pollen and mold table for the current year:
The complete pollen and mold table for the past year:

Common names for some of the pollen species listed in the tables above.

Sign up with the National Allergy Bureau to receive daily pollen and mold summaries via email. It's easy and free.


Ragweed Season Start Dates

Concentration 2001 2002 2003 2004 2005 2006 2007
Great than or equal to 2 8/2 8/7 8/1 8/3 8/8 7/28 no data
Great than or equal to 20 8/13 8/19 8/12 8/6 8/15 8/9 no data



Peak Daily Concentrations of Cupressaceae (cypress, juniper, cedars) and total Tree Pollen by Year
Year Cupress. Trees
2000 1492 2045
2001 571 1473
2002 1424 1905
2003 2035 2300
2004 1021 3600
2005 313 2400
2006 766 2400
2007 1169 2100




Graphs

The graphs below represent present & past pollen and mold data. You will need the Adobe Flash Player to view the graphs for the current year. Please give them time to load. Graphs for previous years will load quickly.

You can see alternative versions of the graphs at this external link to the AAAAI.

Total Mold 2008

Tree Pollen 2008

Grass Pollen 2008

Weed Pollen 2008

Total Mold 2007

Tree Pollen 2007

Grass Pollen 2007

Weed Pollen 2007

Total Mold 2006

Tree Pollen 2006

Grass Pollen 2006

Weed Pollen 2006

Total Mold 2005

Tree Pollen 2005

Grass Pollen 2005

Weed Pollen 2005

Total Mold 2004

Tree Pollen 2004

Grass Pollen 2004

Weed Pollen 2004

 

Two Interesting Mold Graphs

Comparison of the average mold, by year

Single worst mold day, by year