Locations / MD / Washington (Silver Spring), MD

Station Detail

Washington (Silver Spring), MD

Latest reading: Aug. 31, 2026

3-month allergy trend

Latest readings (Aug. 31, 2026)

AllergenTypeValueLevel
Cladosporium MOLD 1556 Low
Basidiospores MOLD 1025 Low
Unidentified Fungi MOLD 416 Low
Ascospores MOLD 274 Low
Penicillium / Aspergillus MOLD 150 Low
Smuts / Myxomycetes MOLD 106 Low
Ambrosia WEED 28 Moderate
Ulmus TREE 19 Moderate
Alternaria MOLD 13 Low
Pithomyces MOLD 12 Low
Curvularia MOLD 6 Low
Rusts MOLD 5 Low

Allergy calendar

Annual allergy calendar for Washington (Silver Spring), MD.
Typical seasonal allergy patterns for Washington (Silver Spring), MD.

Historical data

Historical data placeholder for Tree at Washington (Silver Spring), MD.
Long-term historical averages for Tree at Washington (Silver Spring), MD.