What is the air quality trend in Elkton?

Over the past 21 days, Elkton had an average AQI of 31 based on station measurements. The worst day was 2026-05-19 with AQI 53.

How is Elkton air quality measured?

Air quality in Elkton 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 Elkton, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

479h

PM2.5 Station

479h · 5 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	20	14–34	4.8 µg/m³	21h	22
2026-05-28	28	19–48	6.8 µg/m³	24h	21
2026-05-27	38	28–45	9.0 µg/m³	24h	23
2026-05-26	33	23–45	7.9 µg/m³	24h	23
2026-05-25	32	24–41	7.7 µg/m³	24h	23
2026-05-24	20	13–35	4.9 µg/m³	24h	23
2026-05-23	19	17–23	4.5 µg/m³	24h	23
2026-05-22	22	18–28	5.3 µg/m³	24h	22
2026-05-21	22	15–35	5.3 µg/m³	24h	23
2026-05-20	39	31–52	9.3 µg/m³	24h	23
2026-05-19	53	36–59	13.4 µg/m³	24h	23
2026-05-18	50	40–59	12.4 µg/m³	24h	23
2026-05-17	38	29–49	9.2 µg/m³	24h	23
2026-05-16	29	25–33	6.9 µg/m³	24h	23
2026-05-15	20	16–26	4.9 µg/m³	24h	24
2026-05-14	28	20–42	6.7 µg/m³	24h	24
2026-05-13	26	22–32	6.2 µg/m³	24h	24
2026-05-12	26	20–41	6.1 µg/m³	24h	24
2026-05-11	30	17–55	7.2 µg/m³	24h	24
2026-05-10	46	32–59	11.3 µg/m³	24h	24
2026-05-09	34	34–35	8.3 µg/m³	2h	22

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