What is the air quality trend in Wilmington?

Over the past 14 days, Wilmington had an average AQI of 49 based on station measurements. The worst day was 2026-07-17 with AQI 103.

How is Wilmington air quality measured?

Air quality in Wilmington is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Wilmington, United States

Name: Wilmington Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Wilmington, United States.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

134h

PM2.5 Station

134h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	44	30–60	11.1 µg/m³	5h	1
2026-07-20	52	21–108	15.5 µg/m³	5h	1
2026-07-19	52	6–181	20.4 µg/m³	10h	1
2026-07-18	48	38–64	12.1 µg/m³	6h	1
2026-07-17	103	20–257	55.1 µg/m³	9h	1
2026-07-16	85	12–500	56.0 µg/m³	13h	1
2026-07-15	62	15–191	24.3 µg/m³	11h	1
2026-07-14	34	13–75	8.8 µg/m³	12h	1
2026-07-13	31	9–68	7.7 µg/m³	12h	1
2026-07-12	24	11–38	5.7 µg/m³	8h	1
2026-07-11	32	20–57	7.8 µg/m³	11h	1
2026-07-10	52	21–144	15.2 µg/m³	7h	1
2026-07-09	39	21–56	9.5 µg/m³	11h	1
2026-07-08	29	7–53	7.0 µg/m³	14h	1

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