Pollen and Mold Center
Reports for week preceding Saturday, April 18, 2026
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This summary shows pollen reports for weekdays within the past 7 days.
Click on the name
of a pollen or mold to get general information about it.
Click on the History (Hx) link
to get the 60 days history prior to Monday, April 13, 2026.
Click on the Date
in the heading row to view the daily risk level report along with any additional observations.
Previous Week’s Report
Next Week’s Report
Tree pollens
Monday,
Apr 13
Tuesday,
Apr 14
Wednesday,
Apr 15
Thursday,
Apr 16
Friday,
Apr 17
Ash
Hx
7
43
107
27
62
Birch
Hx
2
11
9
0
0
Chestnut
Hx
0
0
0
0
0
Elm
Hx
2
4
4
18
14
Hickory
Hx
0
0
0
0
0
Juniper
Hx
0
0
0
0
0
Maple
Hx
0
16
0
18
18
Mulberry
Hx
86
323
330
139
202
Oak
Hx
12
210
665
202
285
Pine
Hx
0
25
27
0
2
Poplar
Hx
0
2
2
2
5
Sweetgum
Hx
0
0
0
0
0
Sycamore
Hx
43
168
234
64
80
Walnut
Hx
0
4
0
0
0
Willow
Hx
18
43
137
48
43
Weed pollens
Cattail
Hx
0
0
0
0
0
Dock
Hx
0
0
0
0
0
Goldenrod
Hx
0
0
0
0
0
Lambsquarter
Hx
0
0
0
0
0
Nettle
Hx
0
0
0
0
0
Plantain
Hx
0
0
0
0
0
Ragweed
Hx
0
0
0
0
0
Wormwood
Hx
0
0
0
0
0
Grass pollens
Grass
Hx
0
5
0
2
4
Mold
Mold
Hx
5,476
5,425
6,807
24,386
39,151
Air Quality
Forecast
Not Mon*
Not Mon*
Not Mon*
Not Mon*
Not Mon*
*Not Monitored
– Air Quality data is not recorded from Mid-September to Mid-May.
What do the colors mean?
Note:
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