What is the air quality trend in Leer?

Over the past 14 days, Leer had an average AQI of 42 based on station measurements. The worst day was 2026-07-20 with AQI 53.

How is Leer air quality measured?

Air quality in Leer 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 Leer, Germany

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

295h

PM2.5 Station

295h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	39	15–76	10.2 µg/m³	18h	2
2026-07-20	53	9–157	14.8 µg/m³	22h	2
2026-07-19	39	9–65	9.8 µg/m³	22h	2
2026-07-18	47	18–166	14.0 µg/m³	21h	2
2026-07-17	48	20–127	13.4 µg/m³	20h	2
2026-07-16	48	28–76	12.6 µg/m³	22h	2
2026-07-15	41	7–82	10.8 µg/m³	21h	1
2026-07-14	44	17–78	11.1 µg/m³	19h	2
2026-07-13	37	4–66	9.4 µg/m³	21h	1
2026-07-12	43	20–98	11.3 µg/m³	22h	2
2026-07-11	37	5–65	9.1 µg/m³	21h	2
2026-07-10	42	17–91	10.7 µg/m³	20h	2
2026-07-09	46	23–181	14.9 µg/m³	22h	2
2026-07-08	37	9–69	9.5 µg/m³	24h	2

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