Pollen levels at Garrison, Maryland, United States: index 4/4 (Very High). No significant pollen activity detected.
Maryland, United States
The current pollen index at Garrison, Maryland, United States is 4 out of 4, rated as Very High. No significant pollen activity detected.
Pollen season at Garrison typically runs from March to October. Grass pollen peaks in late spring and summer, while birch and alder are most active in early spring. Olive pollen peaks in May–June in Mediterranean regions.
Current conditions at Garrison show a pollen level of Very High. Very high levels. Stay indoors as much as possible. Check our hourly trend chart for the best times to be outdoors.
Our pollen forecast uses the CAMS (Copernicus Atmosphere Monitoring Service) model, which tracks 6 major pollen types: birch, olive, grass, alder, ragweed, and mugwort. Data is updated hourly with 24-hour forecasts.
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