پیش بینی کیفیت هوا
![](/air/images/feeds/Pennsylvania-DEP.png)
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 NO2 (nitrogen dioxide) are taken from the station: Chester, Pennsylvania