What is the air quality trend in Kościerzyna?

Over the past 8 days, Kościerzyna had an average AQI of 55 based on station measurements. The worst day was with AQI .

How is Kościerzyna air quality measured?

Air quality in Kościerzyna 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 Kościerzyna, Poland

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

Historical PM2.5 and AQI trend from monitoring stations near Kościerzyna, Poland.

Current AQI
Good

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Trend

152h

PM2.5 Trend

152h · 2 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-17	40	28–59	10.0 µg/m³	17.0	6h	2
2026-04-16	69	16–115	22.0 µg/m³	31.2	24h	2
2026-04-15	94	40–126	31.9 µg/m³	44.8	24h	2
2026-04-14	49	23–115	14.2 µg/m³	17.8	24h	2
2026-04-13	34	19–47	8.1 µg/m³	10.0	16h	2
2026-04-12	54	14–133	15.8 µg/m³	21.0	24h	2
2026-04-11	53	4–122	16.8 µg/m³	23.2	23h	2
2026-04-10	53	21–116	15.3 µg/m³	22.2	11h	2

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