What is the air quality trend in Chalon-sur-Saône?

Over the past 8 days, Chalon-sur-Saône had an average AQI of 43 based on station measurements. The worst day was 2026-05-23 with AQI 56.

How is Chalon-sur-Saône air quality measured?

Air quality in Chalon-sur-Saône 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 Chalon-sur-Saône, France

Name: Chalon-sur-Saône Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Chalon-sur-Saône, France.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

149h

PM2.5 Station

149h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	39	16–102	10.0 µg/m³	16h	2
2026-05-28	41	6–71	10.0 µg/m³	22h	2
2026-05-27	44	8–70	11.1 µg/m³	22h	2
2026-05-26	50	17–110	13.6 µg/m³	22h	2
2026-05-25	47	18–140	12.7 µg/m³	22h	3
2026-05-24	44	3–149	12.2 µg/m³	22h	2
2026-05-23	56	13–249	21.6 µg/m³	21h	2
2026-05-22	30	25–35	7.2 µg/m³	2h	3

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