What is the air quality trend in Kuopio?

Over the past 21 days, Kuopio had an average AQI of 34 based on station measurements. The worst day was 2026-05-15 with AQI 39.

How is Kuopio air quality measured?

Air quality in Kuopio 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 Kuopio, Finland

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

452h

PM2.5 Station

452h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-28	32	5–52	7.8 µg/m³	22h	2
2026-05-27	38	12–59	9.3 µg/m³	24h	2
2026-05-26	38	9–63	9.2 µg/m³	21h	3
2026-05-25	36	6–63	8.9 µg/m³	24h	2
2026-05-24	35	4–63	8.7 µg/m³	22h	3
2026-05-23	37	20–53	8.8 µg/m³	21h	3
2026-05-22	37	12–71	9.2 µg/m³	24h	2
2026-05-21	27	5–47	6.4 µg/m³	23h	2
2026-05-20	32	10–80	8.0 µg/m³	24h	2
2026-05-19	35	18–58	8.4 µg/m³	21h	2
2026-05-18	31	13–65	7.6 µg/m³	24h	2
2026-05-17	29	9–44	7.1 µg/m³	21h	3
2026-05-16	29	5–57	6.9 µg/m³	19h	2
2026-05-15	39	3–85	10.0 µg/m³	21h	2
2026-05-14	36	8–92	9.6 µg/m³	24h	3
2026-05-13	37	18–62	9.2 µg/m³	24h	3
2026-05-12	33	8–56	7.9 µg/m³	23h	2
2026-05-11	31	18–59	7.6 µg/m³	23h	3
2026-05-10	36	9–54	8.6 µg/m³	23h	3
2026-05-09	31	5–46	7.5 µg/m³	23h	2
2026-05-08	38	38–38	9.1 µg/m³	1h	3

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