What is the air quality trend in Guérande?

Over the past 19 days, Guérande had an average AQI of 43 based on station measurements. The worst day was 2026-05-21 with AQI 123.

How is Guérande air quality measured?

Air quality in Guérande 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 Guérande, France

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

139h

PM2.5 Station

139h · 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	20	14–24	4.9 µg/m³	3h	1
2026-06-08	29	25–31	6.9 µg/m³	6h	1
2026-06-07	29	24–33	7.0 µg/m³	13h	1
2026-06-06	34	30–37	8.3 µg/m³	10h	1
2026-06-05	34	29–36	8.1 µg/m³	8h	1
2026-06-04	25	10–32	6.0 µg/m³	7h	2
2026-06-03	23	18–28	5.5 µg/m³	6h	1
2026-06-02	24	14–29	5.7 µg/m³	14h	1
2026-06-01	24	13–29	5.6 µg/m³	8h	1
2026-05-31	24	17–28	5.8 µg/m³	16h	1
2026-05-30	38	32–46	9.0 µg/m³	5h	2
2026-05-29	56	56–56	14.6 µg/m³	1h	2
2026-05-28	56	54–58	14.4 µg/m³	2h	2
2026-05-26	65	38–183	24.4 µg/m³	9h	1
2026-05-25	45	38–50	10.8 µg/m³	5h	1
2026-05-24	36	24–49	8.7 µg/m³	5h	1
2026-05-23	37	33–40	8.9 µg/m³	6h	1
2026-05-22	99	32–500	149.7 µg/m³	8h	1
2026-05-21	123	32–500	103.5 µg/m³	7h	1

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