What is the air quality trend in Järvenpää?

Over the past 7 days, Järvenpää had an average AQI of 22 based on station measurements. The worst day was 2026-05-22 with AQI 30.

How is Järvenpää air quality measured?

Air quality in Järvenpää 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 Järvenpää, Finland

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

Historical PM2.5 and AQI trend from monitoring stations near Järvenpää, Finland.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

13h

PM2.5 Station

13h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	14	7–22	3.5 µg/m³	2h	1
2026-05-28	22	14–30	5.3 µg/m³	2h	2
2026-05-27	16	7–24	3.7 µg/m³	2h	2
2026-05-25	29	26–33	7.0 µg/m³	3h	1
2026-05-24	30	28–31	7.1 µg/m³	2h	1
2026-05-23	17	17–17	4.1 µg/m³	1h	2
2026-05-22	30	30–30	7.2 µg/m³	1h	2

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