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Air Quality / Wilmington Area

Wilmington Area

Delaware — EPA AirNow monitoring station

Current AQI (PM2.5)
55
Moderate
9/1/2026, 4:00:00 PM

Recent Readings

TimePollutantAQICategoryType
9/1/2026, 4:00:00 PMPM2.555Moderateforecast
9/1/2026, 4:00:00 PMOZONE74Moderateforecast
8/31/2026, 4:00:00 PMPM2.556Moderateforecast
8/31/2026, 4:00:00 PMOZONE77Moderateforecast
8/30/2026, 4:00:00 PMOZONE64Moderateforecast
8/30/2026, 4:00:00 PMPM2.553Moderateforecast
8/30/2026, 3:00:00 PMOZONE27Goodobservation
8/30/2026, 3:00:00 PMPM109Goodobservation
8/30/2026, 3:00:00 PMPM2.533Goodobservation
8/30/2026, 2:00:00 PMOZONE21Goodobservation
8/30/2026, 2:00:00 PMPM1010Goodobservation
8/30/2026, 2:00:00 PMPM2.532Goodobservation
8/30/2026, 1:00:00 PMOZONE20Goodobservation
8/30/2026, 1:00:00 PMPM109Goodobservation
8/30/2026, 1:00:00 PMPM2.531Goodobservation
8/30/2026, 12:00:00 PMOZONE21Goodobservation
8/30/2026, 12:00:00 PMPM109Goodobservation
8/30/2026, 12:00:00 PMPM2.529Goodobservation
8/30/2026, 11:00:00 AMPM2.529Goodobservation
8/30/2026, 11:00:00 AMPM1010Goodobservation
8/30/2026, 11:00:00 AMOZONE18Goodobservation
8/30/2026, 10:00:00 AMPM2.530Goodobservation
8/30/2026, 10:00:00 AMOZONE14Goodobservation
8/30/2026, 10:00:00 AMPM109Goodobservation
8/30/2026, 9:00:00 AMPM2.532Goodobservation
8/30/2026, 9:00:00 AMPM1010Goodobservation
8/30/2026, 9:00:00 AMOZONE11Goodobservation
8/30/2026, 8:00:00 AMPM2.534Goodobservation
8/30/2026, 8:00:00 AMPM1010Goodobservation
8/30/2026, 8:00:00 AMOZONE11Goodobservation
8/30/2026, 7:00:00 AMPM1010Goodobservation
8/30/2026, 7:00:00 AMOZONE12Goodobservation
8/30/2026, 7:00:00 AMPM2.536Goodobservation
8/30/2026, 6:00:00 AMPM2.537Goodobservation
8/30/2026, 6:00:00 AMPM1010Goodobservation
8/30/2026, 6:00:00 AMOZONE13Goodobservation
8/30/2026, 5:00:00 AMPM1010Goodobservation
8/30/2026, 5:00:00 AMOZONE17Goodobservation
8/30/2026, 5:00:00 AMPM2.537Goodobservation
8/30/2026, 4:00:00 AMOZONE22Goodobservation
8/30/2026, 4:00:00 AMPM2.532Goodobservation
8/30/2026, 4:00:00 AMPM1010Goodobservation
8/29/2026, 4:00:00 PMOZONE33Goodobservation
8/29/2026, 4:00:00 PMPM2.524Goodobservation
8/29/2026, 4:00:00 PMPM108Goodobservation
8/29/2026, 4:00:00 PMPM2.550Goodforecast
8/29/2026, 4:00:00 PMOZONE54Moderateforecast

Nearby Stations

Greater New Castle County, DE13 mi awaySouthern Bay, NJ24 mi awayPhiladelphia, PA25 mi awayNortheast Maryland, MD26 mi awayRiverline, NJ27 mi away

Delaware overview →

Current AirNow data are preliminary and may be revised. Source: EPA AirNow and participating air quality agencies.