What is the air quality trend in Lorient?

Over the past 15 days, Lorient had an average AQI of 42 based on station measurements. The worst day was 2026-07-16 with AQI 62.

How is Lorient air quality measured?

Air quality in Lorient 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 Lorient, France

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

184h

PM2.5 Station

184h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	30	26–35	7.3 µg/m³	2h	1
2026-07-21	44	5–155	12.5 µg/m³	17h	2
2026-07-20	33	10–67	8.4 µg/m³	16h	2
2026-07-19	44	11–107	11.7 µg/m³	19h	1
2026-07-18	53	17–171	17.0 µg/m³	15h	1
2026-07-17	61	24–177	20.6 µg/m³	15h	2
2026-07-16	62	13–351	32.1 µg/m³	14h	1
2026-07-15	44	15–64	10.9 µg/m³	12h	1
2026-07-14	38	9–65	9.7 µg/m³	12h	1
2026-07-13	44	12–74	11.7 µg/m³	10h	1
2026-07-12	42	9–62	10.4 µg/m³	11h	1
2026-07-11	24	13–43	5.6 µg/m³	8h	1
2026-07-10	55	7–278	27.0 µg/m³	12h	1
2026-07-09	32	4–70	8.2 µg/m³	11h	1
2026-07-08	26	12–51	6.3 µg/m³	10h	1

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