What is the air quality trend in Heilbad Heiligenstadt?

Over the past 8 days, Heilbad Heiligenstadt had an average AQI of 26 based on station measurements. The worst day was 2026-07-17 with AQI 38.

How is Heilbad Heiligenstadt air quality measured?

Air quality in Heilbad Heiligenstadt 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 Heilbad Heiligenstadt, Germany

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

65h

PM2.5 Station

65h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	29	7–47	7.1 µg/m³	5h	2
2026-07-20	16	7–27	3.8 µg/m³	6h	2
2026-07-19	23	11–27	5.5 µg/m³	7h	1
2026-07-18	32	26–38	7.7 µg/m³	2h	2
2026-07-17	38	20–107	10.4 µg/m³	11h	2
2026-07-16	27	15–43	6.5 µg/m³	15h	1
2026-07-15	29	16–39	6.9 µg/m³	18h	2
2026-07-14	21	21–21	5.0 µg/m³	1h	1

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