What is the air quality trend in La Chapelle-sur-Erdre?

Over the past 8 days, La Chapelle-sur-Erdre had an average AQI of 27 based on station measurements. The worst day was 2026-06-05 with AQI 32.

How is La Chapelle-sur-Erdre air quality measured?

Air quality in La Chapelle-sur-Erdre 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 La Chapelle-sur-Erdre, France

Name: La Chapelle-sur-Erdre Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near La Chapelle-sur-Erdre, France.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

73h

PM2.5 Station

73h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	22	12–29	5.2 µg/m³	7h	2
2026-06-08	29	26–31	6.9 µg/m³	7h	2
2026-06-07	30	22–36	7.3 µg/m³	13h	3
2026-06-06	32	28–37	7.7 µg/m³	11h	2
2026-06-05	32	24–35	7.7 µg/m³	10h	2
2026-06-04	27	15–35	6.4 µg/m³	12h	2
2026-06-03	19	14–27	4.5 µg/m³	9h	2
2026-06-02	29	28–30	7.0 µg/m³	4h	2

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