What is the air quality trend in Marrero?

Over the past 8 days, Marrero had an average AQI of 47 based on station measurements. The worst day was 2026-07-20 with AQI 54.

How is Marrero air quality measured?

Air quality in Marrero 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 Marrero, United States

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

139h

PM2.5 Station

139h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-21	50	30–80	13.1 µg/m³	11.0	15h	2
2026-07-20	54	29–135	15.2 µg/m³	10.9	21h	2
2026-07-19	53	32–147	14.6 µg/m³	10.8	19h	2
2026-07-18	52	18–122	14.8 µg/m³	10.5	21h	2
2026-07-17	46	32–62	11.5 µg/m³	10.6	20h	2
2026-07-16	43	25–172	13.0 µg/m³	10.5	21h	2
2026-07-15	43	22–86	10.8 µg/m³	10.5	21h	2
2026-07-14	40	40–40	9.5 µg/m³	10.0	1h	2

Back to Marrero Air Quality