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Pollen and Mold Center
All about aeroallergens in Saint Louis County

Today's Pollen & Mold
Today's Air Quality
 Report Date: Tue May 21, 2013
  Mold: 28,784 (High)

Weekly Summary Report
For previous 7 days.
Sixty-day Summaries
for individual pollens and molds.

View Previous Reports
Date Air Quality Mold
 May 21, 2013 Yellow 28,784     
 May 20, 2013 Yellow 15,781     
 May 17, 2013 Yellow 5,969     
 May 16, 2013 Yellow 6,621     
 May 15, 2013 Yellow 8,028     
 May 14, 2013 Yellow 3,568     
 May 13, 2013 Yellow 2,779     
 May 10, 2013 Yellow 21,854     
 May 9, 2013 Yellow 8,062     
 May 8, 2013 Yellow 10,738     
 May 7, 2013 Yellow 12,797     
 May 6, 2013 Green 21,133     
 May 3, 2013 Green 7,685     
 May 2, 2013 No Mon. 7,479     
 May 1, 2013 No Mon. 8,097     
 Apr 30, 2013 No Mon. 13,311     
 Apr 29, 2013 No Mon. 7,719     
 Apr 26, 2013 No Mon. 1,818     
 Apr 25, 2013 No Mon. 2,642     
 Apr 24, 2013 No Mon. 5,078     
 Apr 23, 2013 No Mon. 6,278     

What do the colors mean?
Green Yellow Orange
Red
Purple
No Mon. Air Quality data is not coded from Mid-September to Mid-May.

Daily Pollen and Mold Count reports have been published by Saint Louis County Department of Health, Environmental Health Laboratories, Air Pollution Control Branch since 1960.

 
About the Center

See a summer summary of air quality days for 2008, 2007 and 2006. Visit the St. Louis Regional Clean Air Partnership online for more information. See any daily report for the previous year. You can resize our daily and weekly report pages for narrow or normal width. You can also make the font size bigger or smaller, using View / Text Size on your browser menu.
Welcome to the Online Pollen and Mold Center for Saint Louis County and the metropolitan area. The Center is a service of our Environmental Health Laboratory. We provide the official area pollen and mold readings for other agencies and the media.

These reports are updated every weekday at approximately 11 AM. For a full daily report, click on the date. These reports are also available by phone:
(314) 615-6825.
More information
Tree pollens
Alder, Ash, Beech, Birch, Chestnut, Cypress, Elm, Hackberry, Hickory, Juniper, Lilac, Linden, Maple, Mulberry, Oak, Olive, Osage orange, Pecan, Pine, Poplar, Privet, Sweetgum, Sycamore, Walnut and Willow.
All trees.

Grass pollens
Cattail, Sedge and Grass.
All grasses.

Weed pollens
Cocklebur, Crowfoot, Dock, Goldenrod, Lambsquarter, Nettles, Plantain, Ragweed, Sorrel and Wormwood.
All weeds.

Molds
Kinds of molds
All Molds.