What is the air quality trend in Haltern am See?

Over the past 15 days, Haltern am See had an average AQI of 41 based on station measurements. The worst day was 2026-07-16 with AQI 52.

How is Haltern am See air quality measured?

Air quality in Haltern am See 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 Haltern am See, Germany

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

Historical PM2.5 and AQI trend from monitoring stations near Haltern am See, Germany.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 12 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-21	41	7–63	10.2 µg/m³	5.2	20h	15
2026-07-20	40	15–93	10.3 µg/m³	3.7	24h	13
2026-07-19	36	21–57	8.8 µg/m³	4.8	24h	13
2026-07-18	43	18–58	10.6 µg/m³	17.1	24h	11
2026-07-17	51	36–77	12.9 µg/m³	17.8	24h	10
2026-07-16	52	42–107	13.2 µg/m³	14.3	24h	11
2026-07-15	44	35–56	10.6 µg/m³	12.4	24h	9
2026-07-14	45	26–102	11.3 µg/m³	8.0	24h	9
2026-07-13	42	28–55	10.1 µg/m³	8.8	24h	9
2026-07-12	36	27–54	8.7 µg/m³	7.3	24h	9
2026-07-11	44	30–90	10.9 µg/m³	12.4	24h	10
2026-07-10	44	34–65	10.9 µg/m³	13.3	24h	9
2026-07-09	34	19–56	8.3 µg/m³	7.7	24h	10
2026-07-08	35	21–54	8.3 µg/m³	4.5	24h	12
2026-07-07	42	26–64	11.1 µg/m³	6.5	3h	12

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