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Air Quality for Pennsylvania and the United States

NOTE: Today's Maps are Unavailable Between Midnight and 4 AM EDT.

N. York-PA-N. Jersey Area Air Quality Maps

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Key: Hover Over for Definition AQI: Good (0 - 50) AQI: Moderate (51 - 100) AQI: Unhealthy for Sensitive Groups (101 - 150) AQI: Unhealthy (151 - 200) AQI: Very Unhealthy (201 - 300) AQI: Hazardous(301 - 500)
Yesterday's Last AQI Map Current AQI Map
AQI Forecast AQI Forecast Map
Yesterday's Last Ozone Map Current Ozone Map
Yesterday's AQI Map Animation Animaged AQI GIF
Data and maps courtesy of US EPA AirNow