What is the air quality trend in Mont-de-Marsan?

Over the past 3 days, Mont-de-Marsan had an average AQI of 28 based on station measurements. The worst day was 2026-09-04 with AQI 35.

How is Mont-de-Marsan air quality measured?

Air quality in Mont-de-Marsan 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 Mont-de-Marsan, France

Name: Mont-de-Marsan Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Mont-de-Marsan, France.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

45h

PM2.5 Station

45h · 1 station

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-09-05	27	20–42	6.5 µg/m³	8.9	15h	1
2026-09-04	35	17–83	8.9 µg/m³	13.5	24h	1
2026-09-03	23	17–25	5.5 µg/m³	12.3	6h	1

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