What is the air quality trend in Steffisburg?

Over the past 8 days, Steffisburg had an average AQI of 46 based on station measurements. The worst day was 2026-07-20 with AQI 58.

How is Steffisburg air quality measured?

Air quality in Steffisburg 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 Steffisburg, Switzerland

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

Historical PM2.5 and AQI trend from monitoring stations near Steffisburg, Switzerland.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

83h

PM2.5 Station

83h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	32	32–32	7.7 µg/m³	1h	1
2026-07-21	58	15–109	16.9 µg/m³	11h	1
2026-07-20	58	30–109	16.4 µg/m³	12h	1
2026-07-19	41	13–63	10.2 µg/m³	16h	1
2026-07-18	50	13–137	14.5 µg/m³	12h	1
2026-07-17	33	2–63	8.3 µg/m³	10h	1
2026-07-16	52	21–72	14.1 µg/m³	9h	1
2026-07-15	50	17–71	13.7 µg/m³	12h	1

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