What is the air quality trend in Erfurt?

Over the past 8 days, Erfurt had an average AQI of 37 based on station measurements. The worst day was 2026-10-21 with AQI 62.

How is Erfurt air quality measured?

Air quality in Erfurt 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 Erfurt, Germany

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

Historical PM2.5 and AQI trend from monitoring stations near Erfurt, Germany.

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

136h

PM2.5 Station

136h · 13 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-21	62	58–67	17.1 µg/m³	21.4	10h	14
2026-10-20	48	23–61	12.2 µg/m³	16.4	20h	13
2026-10-19	43	22–65	10.8 µg/m³	14.4	19h	14
2026-10-18	28	15–63	7.0 µg/m³	9.4	19h	13
2026-10-17	20	8–36	4.9 µg/m³	7.4	19h	13
2026-10-16	36	23–54	8.6 µg/m³	14.3	19h	14
2026-10-15	33	22–45	7.9 µg/m³	14.5	20h	14
2026-10-14	30	21–41	7.3 µg/m³	13.2	10h	11

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