What is the air quality trend in Lyon 09?

Over the past 3 days, Lyon 09 had an average AQI of 31 based on station measurements. The worst day was 2026-05-27 with AQI 33.

How is Lyon 09 air quality measured?

Air quality in Lyon 09 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 Lyon 09, France

Name: Lyon 09 Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Lyon 09, France.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

47h

PM2.5 Station

47h · 1 station

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-29	29	5–59	7.2 µg/m³	10.3	20h	2
2026-05-28	33	19–52	8.0 µg/m³	12.0	24h	2
2026-05-27	33	29–37	8.0 µg/m³	9.7	3h	1

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