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AirHistory

What Is Air Quality in Delaware, Pennsylvania, PA?

Delaware, Pennsylvania, PA has an Air Quality Grade of C with a 5-year median AQI of 51. The dominant pollutant is PM2.5.

Key Data

MetricValue
Air Quality GradeC (64/100)
5-Year Median AQI51
Current Median AQI50
Dominant PollutantPM2.5
TrendImproving
Unhealthy Days (5yr)22

Delaware, Pennsylvania, PA has an Air Quality Grade of C with a 5-year median AQI of 51. The dominant pollutant is PM2.5.