What is the air quality trend in Lyon?

Over the past 3 days, Lyon had an average AQI of 39 based on station measurements. The worst day was with AQI .

How is Lyon air quality measured?

Air quality in Lyon 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, France

Name: Lyon 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, France.

Current AQI
Moderate

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Trend

38h

PM2.5 Trend

38h · 1 station

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-15	46	21–60	11.4 µg/m³	13.5	6h	2
2026-04-14	38	16–80	9.9 µg/m³	14.3	24h	2
2026-04-13	35	5–88	9.8 µg/m³	12.6	8h	2

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