What is the air quality trend in Pforzheim?

Over the past 12 days, Pforzheim had an average AQI of 40 based on station measurements. The worst day was 2026-07-15 with AQI 52.

How is Pforzheim air quality measured?

Air quality in Pforzheim 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 Pforzheim, Germany

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

104h

PM2.5 Station

104h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	29	24–42	7.0 µg/m³	7h	2
2026-07-20	38	29–41	9.1 µg/m³	8h	2
2026-07-19	47	41–51	11.2 µg/m³	7h	2
2026-07-18	46	41–50	11.2 µg/m³	4h	2
2026-07-17	46	44–48	10.9 µg/m³	4h	2
2026-07-16	49	47–51	11.7 µg/m³	5h	2
2026-07-15	52	51–53	12.6 µg/m³	13h	2
2026-07-14	42	32–73	10.7 µg/m³	9h	2
2026-07-13	39	28–48	9.3 µg/m³	7h	2
2026-07-10	30	25–40	7.2 µg/m³	15h	3
2026-07-09	38	29–55	9.2 µg/m³	14h	2
2026-07-08	35	19–41	8.5 µg/m³	11h	2

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