What is the air quality trend in Horn Lake?

Over the past 8 days, Horn Lake had an average AQI of 36 based on station measurements. The worst day was 2026-08-01 with AQI 43.

How is Horn Lake air quality measured?

Air quality in Horn Lake 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 Horn Lake, United States

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

148h

PM2.5 Station

148h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	36	31–45	8.6 µg/m³	6h	3
2026-08-07	33	20–48	8.0 µg/m³	20h	3
2026-08-06	31	17–55	7.6 µg/m³	19h	2
2026-08-05	32	17–51	7.7 µg/m³	20h	2
2026-08-04	40	20–63	9.9 µg/m³	24h	2
2026-08-03	38	20–59	9.2 µg/m³	22h	3
2026-08-02	38	18–90	9.5 µg/m³	22h	2
2026-08-01	43	25–58	10.5 µg/m³	15h	3

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