What is the air quality trend in Heidenheim an der Brenz?

Over the past 8 days, Heidenheim an der Brenz had an average AQI of 40 based on station measurements. The worst day was 2026-05-24 with AQI 51.

How is Heidenheim an der Brenz air quality measured?

Air quality in Heidenheim an der Brenz 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 Heidenheim an der Brenz, Germany

Name: Heidenheim an der Brenz Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Heidenheim an der Brenz, Germany.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	25	25–25	6.0 µg/m³	1h	2
2026-05-28	34	18–48	8.2 µg/m³	24h	3
2026-05-27	49	25–63	12.5 µg/m³	24h	3
2026-05-26	41	30–61	10.1 µg/m³	23h	3
2026-05-25	45	31–68	11.1 µg/m³	24h	3
2026-05-24	51	27–71	13.2 µg/m³	24h	3
2026-05-23	43	20–61	10.6 µg/m³	24h	4
2026-05-22	36	21–55	8.7 µg/m³	23h	3

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