What is the air quality trend in Kalmthout?

Over the past 2 days, Kalmthout had an average AQI of 24 based on station measurements. The worst day was 2026-05-29 with AQI 40.

How is Kalmthout air quality measured?

Air quality in Kalmthout 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 Kalmthout, Belgium

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

Historical PM2.5 and AQI trend from monitoring stations near Kalmthout, Belgium.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

38h

PM2.5 Station

38h · 1 station

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-29	40	2–90	11.3 µg/m³	11.7	24h	1
2026-05-28	8	1–18	1.9 µg/m³	2.5	14h	1

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