What is the air quality trend in Lorient?

Over the past 21 days, Lorient had an average AQI of 37 based on station measurements. The worst day was 2026-05-29 with AQI 57.

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

398h

PM2.5 Station

398h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	16	13–24	3.9 µg/m³	5h	1
2026-06-08	34	15–170	10.4 µg/m³	22h	2
2026-06-07	27	12–47	6.5 µg/m³	18h	2
2026-06-06	37	12–222	15.1 µg/m³	19h	2
2026-06-05	31	7–93	8.1 µg/m³	21h	2
2026-06-04	27	12–59	6.6 µg/m³	23h	2
2026-06-03	24	2–62	6.0 µg/m³	20h	2
2026-06-02	27	12–53	6.5 µg/m³	19h	2
2026-06-01	38	1–206	14.9 µg/m³	20h	2
2026-05-31	31	12–48	7.4 µg/m³	17h	2
2026-05-30	38	12–73	9.7 µg/m³	20h	2
2026-05-29	57	8–163	17.6 µg/m³	21h	2
2026-05-28	48	10–154	13.8 µg/m³	21h	2
2026-05-27	56	9–159	17.0 µg/m³	20h	2
2026-05-26	55	17–162	16.7 µg/m³	21h	2
2026-05-25	49	15–188	18.9 µg/m³	20h	1
2026-05-24	48	9–84	13.5 µg/m³	19h	2
2026-05-23	37	3–65	9.1 µg/m³	20h	2
2026-05-22	36	9–125	9.3 µg/m³	21h	2
2026-05-21	31	5–47	7.5 µg/m³	18h	2
2026-05-20	40	26–65	9.7 µg/m³	13h	2

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