What is the air quality trend in Valkeakoski?

Over the past 21 days, Valkeakoski had an average AQI of 37 based on station measurements. The worst day was 2026-07-31 with AQI 49.

How is Valkeakoski air quality measured?

Air quality in Valkeakoski 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 Valkeakoski, Finland

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

445h

PM2.5 Station

445h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	24	5–48	5.8 µg/m³	7h	3
2026-08-07	31	15–52	7.5 µg/m³	21h	4
2026-08-06	38	13–83	9.7 µg/m³	21h	3
2026-08-05	43	1–67	10.8 µg/m³	22h	3
2026-08-04	47	31–67	11.9 µg/m³	21h	4
2026-08-03	44	21–63	10.8 µg/m³	23h	4
2026-08-02	34	15–68	8.3 µg/m³	23h	3
2026-08-01	46	24–76	11.8 µg/m³	21h	4
2026-07-31	49	28–76	12.6 µg/m³	24h	5
2026-07-30	44	6–64	11.0 µg/m³	22h	3
2026-07-29	45	7–255	18.6 µg/m³	19h	4
2026-07-28	31	15–53	7.5 µg/m³	22h	3
2026-07-27	25	7–53	6.1 µg/m³	23h	3
2026-07-26	31	6–59	7.6 µg/m³	23h	3
2026-07-25	38	21–57	9.1 µg/m³	23h	4
2026-07-24	25	5–55	6.1 µg/m³	24h	3
2026-07-23	30	15–63	7.4 µg/m³	24h	4
2026-07-22	32	17–54	7.8 µg/m³	23h	4
2026-07-21	47	7–94	12.4 µg/m³	23h	3
2026-07-20	46	26–66	11.4 µg/m³	22h	4
2026-07-19	41	15–60	10.2 µg/m³	14h	3

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