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Primary air pollutant in the Mcsherrystown area:
PM2.5 - 73 Moderate
If you are unusually sensitive to particle pollution, consider reducing your activity level or shorten the amount of time you are active outdoors.
Other Pollutants:
OZONE - 23 Good
Current Conditions As of 2 PM on Monday: Surface high pressure is located off the New England Coast allowing for more of a cool, maritime, east to southeast wind today keeping temperatures down in the low 60’s. A combination of light wind flow, and continue lack of moisture/rain, will promote PM2.5 levels in the high-good to low-moderate range, with low-moderate most likely in the morning hours. *** Tuesday’s forecast: As a warm front passes well to the north, it is expected to turn warmer into the mid-70’s with a south to southwest wind on Tuesday allowing for adequate mixing to create mostly good PM2.5 levels. *** Wednesday’s forecast: The next cold front then approaches Wednesday. Once again, this front does not look like it will produce much needed rainfall. Increasing mixing with a northwesterly wind will lead to good air quality Wednesday and Thursday. ---VanLenten
Primary Pollutant: PM2.5 - 50 Good
Primary Pollutant: PM2.5 - 49 Good
Primary Pollutant: PM2.5 - 0 Good