What is the air quality trend in West Memphis?

Over the past 7 days, West Memphis had an average AQI of 47 based on station measurements. The worst day was 2026-07-17 with AQI 61.

How is West Memphis air quality measured?

Air quality in West Memphis 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 West Memphis, United States

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

134h

PM2.5 Station

134h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	50	27–78	13.1 µg/m³	19h	2
2026-07-20	42	16–66	10.5 µg/m³	20h	1
2026-07-19	44	10–149	12.6 µg/m³	15h	2
2026-07-18	52	10–160	16.2 µg/m³	20h	1
2026-07-17	61	15–207	23.2 µg/m³	23h	1
2026-07-16	42	8–174	13.1 µg/m³	19h	2
2026-07-15	43	19–124	11.4 µg/m³	18h	2

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