پیش بینی کیفیت هوا
داده های کیفیت هوا ارائه شده توسط: the Bureau of Air Quality, Pennsylvania's Department of Environmental Protection (dep.pa.gov) and Air Now - US EPA (airnow.gov)
Note that the measurement for PM10 (respirable particulate matter) are taken from the station: Hershey, Pennsylvania and the measurements for NO2 (nitrogen dioxide) and SO2 (sulfur dioxide) are taken from the station: York, Pennsylvania