What is the air quality trend in Erfurt?

Over the past 8 days, Erfurt had an average AQI of 28 based on station measurements. The worst day was 2026-05-24 with AQI 35.

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
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

127h

PM2.5 Station

127h · 14 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-28	20	13–27	4.7 µg/m³	12.4	18h	13
2026-05-27	34	12–57	8.2 µg/m³	22.5	17h	13
2026-05-26	28	17–40	6.6 µg/m³	18.8	16h	11
2026-05-25	23	15–33	5.4 µg/m³	9.5	19h	13
2026-05-24	35	27–42	8.5 µg/m³	14.6	16h	12
2026-05-23	32	27–44	7.6 µg/m³	12.3	21h	11
2026-05-22	28	23–37	6.6 µg/m³	12.5	19h	12
2026-05-21	28	28–28	6.7 µg/m³	11.0	1h	14

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