Franklin & Marshall College Franklin & Marshall College

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Weather, Air and Climate

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Weather

The Department of Earth and Environment operates a weather station on the F&M campus. Current conditions.
An archive of data collected from the F&M Weather Station is available at Weatherunderground

Air and Climate | Air Quality
According to data compiled by the American Lung Association the Mid-Atlantic region carries the highest air pollution burden in the nation. Air pollutants blown in from outside the region add to locally produced pollution creating a complex clean up problem.

Air Quality Index (AQI) reports levels of five major air pollutants: ozone, particulate matter, sulfur dioxide, carbon monoxide and nitrogen dioxide. An AQI value is given for each monitoring site and pollutant. The overall AQI for a site is the highest index value of any of the pollutants.  Exposure to these pollutants can make it difficult for some people to breathe, especially people with asthma and other respiratory problems. As levels of any or all of these air pollutants rise beyond health standards, precautionary health warnings are triggered. The Pennsylvania Department of Environmental Protection lists the AQI numbers for many cities in the state, including Lancaster. The reports are updated hourly on the half hour.

Additional links:
Daily ozone forecast for the lower Susquehanna valley

Bureau of Air Quality, Pennsylvania Department of Environmental Protection

Air and Climate | Climatology
Millersville University Weather Information Center is a great source of high quality data and forecasts, including local observations, satellite images, weather forecasts and climatology information.

The PA State Climatologist maintains an archive of hourly weather observations for stations within Pennsylvania and near the state borders. This is a good source of historical climate data. They also have an interactive archive of climatology data.

Find climate norms for the Lancaster area.