St. Charles, MO
Pollen counts
Molds
High
Weeds
Low
Grasses
Low
Trees
Low
ALL
Ascospores
Cladosporium
Basidiospores
Penicillium / Aspergillus
Cercospora
Smuts / Myxomycetes
All other mold not identified
Alternaria
Epicoccum
Dreshslera / Helminthosporium
Rusts
Fusarium
Nigrospora
Pithomyces
Powdery Mildew
Torula
| Jul 15 | 15.3k 15.3k | |
| Jul 14 | 17.6k 17.6k | |
| Jul 13 | 27.6k 27.6k | |
| Jul 10 | 21.6k 21.6k | |
| Jul 9 | 21.2k 21.2k | |
| Jul 8 | 15.2k 15.2k | |
| Jul 7 | 14.0k 14.0k | |
| Jul 6 | 45.6k 45.6k | |
| Jul 2 | 7.6k 7.6k | |
| Jul 1 | 5.2k 5.2k |
Pollen counts are measured as spores per cubic meter.
Weather forecast
Overnight
74° F
Partly cloudy, with a low around 74. Northeast wind around 1 mph.