National Harbor, MD
Pollen counts
Molds
Low
Trees
Low
Weeds
Low
Grasses
Low
ALL
Cladosporium
Ascospores
Basidiospores
Smuts / Myxomycetes
All other mold not identified
Penicillium / Aspergillus
Periconia
Rusts
Alternaria
Pithomyces
Epicoccum
Curvularia
Torula
Dreshslera / Helminthosporium
Polythrincium
Powdery Mildew
Downy Mildew
Stemphylium
| Oct 7 | 4.5k 4.5k | |
| Oct 6 | 3.8k 3.8k | |
| Oct 5 | 4.2k 4.2k | |
| Oct 2 | 4.6k 4.6k | |
| Oct 1 | 11.4k 11.4k | |
| Sep 30 | 31.6k 31.6k | |
| Sep 29 | 19.0k 19.0k | |
| Sep 28 | 14.7k 14.7k | |
| Sep 25 | 13.8k 13.8k | |
| Sep 24 | 8.4k 8.4k |
Pollen counts are measured as spores per cubic meter.
Weather forecast
Tonight
49° F
Clear, with a low around 49. North wind around 10 mph, with gusts as high as 20 mph.