What is the air quality trend in Heidenau?

Over the past 15 days, Heidenau had an average AQI of 15 based on station measurements. The worst day was 2026-08-26 with AQI 35.

How is Heidenau air quality measured?

Air quality in Heidenau 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 Heidenau, Germany

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-09-05	6	1–32	1.4 µg/m³	1.6	14h	2
2026-09-04	7	1–34	1.8 µg/m³	2.5	24h	2
2026-09-03	12	1–25	2.9 µg/m³	3.5	24h	2
2026-09-02	18	7–28	4.3 µg/m³	5.0	24h	2
2026-09-01	8	1–19	2.0 µg/m³	2.6	23h	2
2026-08-31	8	1–16	1.9 µg/m³	2.5	24h	2
2026-08-30	9	1–26	2.0 µg/m³	2.6	24h	2
2026-08-29	12	1–36	2.8 µg/m³	3.3	24h	2
2026-08-28	35	5–56	8.5 µg/m³	9.8	24h	2
2026-08-27	33	24–43	8.0 µg/m³	8.8	24h	2
2026-08-26	35	24–46	8.3 µg/m³	9.4	24h	2
2026-08-25	16	8–30	3.8 µg/m³	4.4	24h	2
2026-08-24	12	2–21	3.0 µg/m³	3.8	24h	2
2026-08-23	15	5–45	3.7 µg/m³	4.8	24h	2
2026-08-22	11	3–16	2.5 µg/m³	3.0	10h	2

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