What is the air quality trend in Zaanstad?

Over the past 8 days, Zaanstad had an average AQI of 20 based on station measurements. The worst day was 2026-08-04 with AQI 33.

How is Zaanstad air quality measured?

Air quality in Zaanstad 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 Zaanstad, Netherlands

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

Historical PM2.5 and AQI trend from monitoring stations near Zaanstad, Netherlands.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

91h

PM2.5 Station

91h · 13 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-08-08	16	4–21	4.0 µg/m³	2.3	6h	6
2026-08-07	20	4–36	4.6 µg/m³	1.5	16h	6
2026-08-06	25	15–33	6.0 µg/m³	0.1	12h	6
2026-08-05	22	11–35	5.3 µg/m³	—	11h	4
2026-08-04	33	2–66	8.6 µg/m³	9.0	23h	1
2026-08-03	24	2–67	5.9 µg/m³	6.1	20h	1
2026-08-02	20	4–35	4.7 µg/m³	1.7	2h	2
2026-08-01	4	4–4	1.1 µg/m³	1.7	1h	1

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