What is the air quality trend in Sitten?

Over the past 15 days, Sitten had an average AQI of 40 based on station measurements. The worst day was 2026-07-21 with AQI 49.

How is Sitten air quality measured?

Air quality in Sitten 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 Sitten, Switzerland

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

303h

PM2.5 Station

303h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	21	17–25	5.1 µg/m³	2h	2
2026-07-21	49	8–159	13.8 µg/m³	22h	3
2026-07-20	39	14–85	10.4 µg/m³	22h	3
2026-07-19	39	19–78	9.8 µg/m³	23h	3
2026-07-18	39	22–64	9.7 µg/m³	23h	3
2026-07-17	47	28–127	12.2 µg/m³	22h	3
2026-07-16	42	8–72	10.7 µg/m³	21h	2
2026-07-15	46	8–123	11.8 µg/m³	21h	2
2026-07-14	42	18–104	10.8 µg/m³	23h	2
2026-07-13	44	5–159	12.1 µg/m³	21h	2
2026-07-12	35	21–60	8.6 µg/m³	21h	3
2026-07-11	36	19–55	8.7 µg/m³	20h	2
2026-07-10	38	15–61	9.1 µg/m³	20h	2
2026-07-09	42	10–172	12.9 µg/m³	22h	2
2026-07-08	41	16–57	9.9 µg/m³	20h	2

Back to Sitten Air Quality