What is the air quality trend in Imatra?

Over the past 21 days, Imatra had an average AQI of 36 based on station measurements. The worst day was 2026-05-18 with AQI 42.

How is Imatra air quality measured?

Air quality in Imatra 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 Imatra, Finland

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

474h

PM2.5 Station

474h · 6 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	31	6–52	7.3 µg/m³	15h	5
2026-05-28	35	11–62	8.5 µg/m³	24h	4
2026-05-27	34	11–57	8.4 µg/m³	24h	4
2026-05-26	38	21–78	9.5 µg/m³	24h	4
2026-05-25	37	8–54	9.0 µg/m³	24h	4
2026-05-24	38	22–70	9.4 µg/m³	24h	5
2026-05-23	36	14–55	8.8 µg/m³	24h	4
2026-05-22	39	22–66	9.6 µg/m³	22h	5
2026-05-21	34	15–54	8.1 µg/m³	24h	5
2026-05-20	34	17–55	8.2 µg/m³	24h	4
2026-05-19	36	15–66	9.0 µg/m³	24h	4
2026-05-18	42	20–61	10.3 µg/m³	24h	4
2026-05-17	35	14–54	8.5 µg/m³	22h	4
2026-05-16	41	17–85	10.3 µg/m³	23h	5
2026-05-15	41	18–56	9.9 µg/m³	24h	6
2026-05-14	39	16–68	9.7 µg/m³	24h	5
2026-05-13	32	8–60	7.8 µg/m³	23h	5
2026-05-12	37	18–74	9.3 µg/m³	24h	4
2026-05-11	38	5–60	9.4 µg/m³	24h	5
2026-05-10	38	23–56	9.2 µg/m³	24h	5
2026-05-09	38	20–55	9.2 µg/m³	9h	5

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