What is the air quality trend in Épernay?

Over the past 8 days, Épernay had an average AQI of 43 based on station measurements. The worst day was 2026-07-16 with AQI 53.

How is Épernay air quality measured?

Air quality in Épernay 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 Épernay, France

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

137h

PM2.5 Station

137h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	47	22–80	13.1 µg/m³	4h	2
2026-07-21	49	19–117	13.4 µg/m³	20h	3
2026-07-20	40	18–72	10.4 µg/m³	22h	2
2026-07-19	35	12–55	8.5 µg/m³	17h	3
2026-07-18	53	26–168	16.7 µg/m³	20h	2
2026-07-17	38	20–58	9.2 µg/m³	20h	2
2026-07-16	53	20–170	15.9 µg/m³	22h	2
2026-07-15	34	22–53	8.1 µg/m³	12h	2

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