What is the air quality trend in Les Herbiers?

Over the past 8 days, Les Herbiers had an average AQI of 34 based on station measurements. The worst day was 2026-05-29 with AQI 42.

How is Les Herbiers air quality measured?

Air quality in Les Herbiers 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 Les Herbiers, France

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

Historical PM2.5 and AQI trend from monitoring stations near Les Herbiers, France.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

68h

PM2.5 Station

68h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	42	21–55	10.4 µg/m³	9h	2
2026-05-28	33	14–52	7.9 µg/m³	7h	1
2026-05-27	34	16–49	8.3 µg/m³	11h	1
2026-05-26	38	22–47	9.1 µg/m³	12h	2
2026-05-25	41	29–47	9.8 µg/m³	8h	2
2026-05-24	27	15–51	6.5 µg/m³	7h	2
2026-05-23	32	17–42	7.7 µg/m³	13h	2
2026-05-22	28	28–28	6.7 µg/m³	1h	2

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