What is the air quality trend in Ostrowiec Świętokrzyski?

Over the past 15 days, Ostrowiec Świętokrzyski had an average AQI of 49 based on station measurements. The worst day was 2026-10-07 with AQI 72.

How is Ostrowiec Świętokrzyski air quality measured?

Air quality in Ostrowiec Świętokrzyski 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 Ostrowiec Świętokrzyski, Poland

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

229h

PM2.5 Station

229h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	46	38–50	11.0 µg/m³	4h	1
2026-10-20	38	27–55	9.1 µg/m³	16h	1
2026-10-19	51	23–75	13.3 µg/m³	17h	1
2026-10-18	64	48–88	18.5 µg/m³	13h	1
2026-10-17	70	20–144	22.7 µg/m³	19h	1
2026-10-16	56	20–126	17.1 µg/m³	15h	1
2026-10-15	47	29–67	11.9 µg/m³	19h	1
2026-10-14	52	42–70	13.2 µg/m³	17h	1
2026-10-13	54	23–165	17.5 µg/m³	15h	1
2026-10-12	32	18–84	8.1 µg/m³	20h	1
2026-10-11	32	10–53	7.7 µg/m³	15h	1
2026-10-10	39	24–86	10.2 µg/m³	19h	1
2026-10-09	28	13–66	7.2 µg/m³	10h	1
2026-10-08	56	30–71	14.9 µg/m³	19h	1
2026-10-07	72	63–86	22.1 µg/m³	11h	1

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