What is the air quality trend in Opelousas?

Over the past 7 days, Opelousas had an average AQI of 69 based on station measurements. The worst day was 2026-10-16 with AQI 138.

How is Opelousas air quality measured?

Air quality in Opelousas 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 Opelousas, United States

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

40h

PM2.5 Station

40h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-20	78	25–112	25.9 µg/m³	4h	1
2026-10-19	59	16–104	19.1 µg/m³	6h	1
2026-10-18	69	34–102	21.5 µg/m³	4h	1
2026-10-17	41	12–80	11.4 µg/m³	10h	1
2026-10-16	138	17–334	103.5 µg/m³	4h	1
2026-10-15	38	13–76	10.4 µg/m³	7h	1
2026-10-14	61	32–102	18.5 µg/m³	5h	1

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