What is the air quality trend in Ashland?

Over the past 8 days, Ashland had an average AQI of 66 based on station measurements. The worst day was 2026-07-17 with AQI 120.

How is Ashland air quality measured?

Air quality in Ashland 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 Ashland, United States

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-22	17	5–29	4.1 µg/m³	3.1	2h	4
2026-07-21	49	28–78	12.5 µg/m³	13.1	24h	8
2026-07-20	58	28–171	17.7 µg/m³	5.8	24h	10
2026-07-19	57	31–75	15.2 µg/m³	21.6	24h	11
2026-07-18	84	30–141	27.7 µg/m³	46.7	24h	10
2026-07-17	120	33–180	50.7 µg/m³	4.1	24h	10
2026-07-16	89	38–196	35.7 µg/m³	—	24h	10
2026-07-15	56	32–99	14.8 µg/m³	26.9	22h	10

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